diff --git a/context/context.json b/context/context.json
index 7e7cd32..d89849d 100644
--- a/context/context.json
+++ b/context/context.json
@@ -1157,7 +1157,7 @@
         "Device": "https://w3id.org/emmo#EMMO_494b372c_cfdf_47d3_a4de_5e037c540de8",
         "DewPointTemperature": "https://w3id.org/emmo#EMMO_a383e332_a271_463f_9e44_559604547220",
         "Diameter": "https://w3id.org/emmo#EMMO_c1c8ac3c_8a1c_4777_8e0b_14c1f9f9b0c6",
-        "Dichloromethane": "https://w3id.org/emmo/domain/chemical-substance#substance_a6feec60_5fe7_4687_b427_3bf2ed06008d",
+        "Dichloromethane": "https://w3id.org/emmo/domain/chemical-substance#substance_8385c3c4_5906_48f6_b6b6_4bb60dccc27a",
         "DieCasting": "https://w3id.org/emmo#EMMO_a85d0b8a_588e_423f_b799_97b0890e9183",
         "DiethylCarbonate": "https://w3id.org/emmo/domain/chemical-substance#substance_b8baff0d_7163_4ef1_ac3b_7694b59e500a",
         "DiethyleneGlycolDiethylEther": "https://w3id.org/emmo/domain/chemical-substance#substance_29ee50d4_27ed_4228_bd26_0010d9310f03",
@@ -1177,7 +1177,7 @@
         "Dimethoxymethane": "https://w3id.org/emmo/domain/chemical-substance#substance_21954b0b_c05c_42db_b276_3a931d8aabb1",
         "DimethylCarbonate": "https://w3id.org/emmo/domain/chemical-substance#substance_c4a7d7bd_497e_457e_b858_ff73254266d0",
         "DimethylSulfoxide": "https://w3id.org/emmo/domain/chemical-substance#substance_ea68e1a4_6be8_4686_8701_ba88b40d00b7",
-        "Dimethylformamide": "https://w3id.org/emmo/domain/chemical-substance#substance_817d1989_4d6d_4c32_9951_85973afc538d",
+        "Dimethylformamide": "https://w3id.org/emmo/domain/chemical-substance#substance_769bdc09_f533_4fde_bb53_20339d5bfcb7",
         "Dimethylpropyleneurea": "https://w3id.org/emmo/domain/chemical-substance#substance_945c68da_3baf_4da6_b794_dca7aebc4ca7",
         "Dimethylsulfate": "https://w3id.org/emmo/domain/chemical-substance#substance_3c8fb431_7d9d_4a89_a494_708df34f44d3",
         "Dioxolane": "https://w3id.org/emmo/domain/chemical-substance#substance_0e235e95_739d_443a_ad4b_97ef1edb9c89",
@@ -2481,7 +2481,7 @@
         "PolyvinylideneFluoride": "https://w3id.org/emmo/domain/chemical-substance#substance_f2e48e9e_f774_4f42_939f_1fe522efb7c8",
         "PorcelainOrCeramicCasting": "https://w3id.org/emmo#EMMO_d320f878_2be4_4927_aea6_d36a2ae2dd89",
         "Porosity": "https://w3id.org/emmo#EMMO_3a6578ac_aee0_43b9_9bc6_1eb208c8c9a9",
-        "PositionVector": "https://w3id.org/emmo#EMMO_4312cae4_03ba_457e_b35d_0671a7db350c",
+        "PositionVector": "https://w3id.org/emmo#EMMO_44da6d75_54a4_4aa8_bd3a_156f6e9abb8e",
         "Positron": "https://w3id.org/emmo#EMMO_26a38b26_38ea_4acf_b212_db9e34c71b7a",
         "PostTransitionMetalElementalSubstance": "https://w3id.org/emmo/domain/chemical-substance#substance_b978912b_19ef_4d46_8c91_2e3578b12670",
         "PostTransitionMetalOxideCompound": "https://w3id.org/emmo/domain/chemical-substance#substance_61c88366_7689_4814_b0c5_1f53aef1eebd",
@@ -2560,7 +2560,7 @@
         "Pyridine": "https://w3id.org/emmo/domain/chemical-substance#substance_f1e874cf_3e5e_46e3_9bb9_0befc3f7361a",
         "PyruvicAcid": "https://w3id.org/emmo/domain/chemical-substance#substance_feb95008_db3a_4506_b7ff_6263befa0d64",
         "Python": "https://w3id.org/emmo#EMMO_add2e29d_6d87_4b78_9706_588e25557093",
-        "QualityFactor": "https://w3id.org/emmo#EMMO_cff5ef70_96eb_4ea3_9bea_fe1fbe6177be",
+        "QualityFactor": "https://w3id.org/emmo#EMMO_0658e7df_ffd9_4779_82fc_62efe0a7f3b1",
         "Quantity": "https://w3id.org/emmo#EMMO_0650c031_42b6_4f0a_b62d_d88f071da6bf",
         "QuantityValue": "https://w3id.org/emmo#EMMO_f658c301_ce93_46cf_9639_4eace2c5d1d5",
         "Quantum": "https://w3id.org/emmo#EMMO_3f9ae00e_810c_4518_aec2_7200e424cf68",
@@ -2976,7 +2976,7 @@
         "Stage": "https://w3id.org/emmo#EMMO_a633c6f8_4269_4870_9b28_f5ca1783fd54",
         "StandaloneAtom": "https://w3id.org/emmo#EMMO_2fd3f574_5e93_47fe_afca_ed80b0a21ab4",
         "StandaloneModelSimulation": "https://w3id.org/emmo#EMMO_d0bcf2ca_cd55_4f34_8fc2_2decc4c6087a",
-        "StandardAbsoluteActivity": "https://w3id.org/emmo#EMMO_340ec9c3_7b0a_4169_a739_6f9242517ff4",
+        "StandardAbsoluteActivity": "https://w3id.org/emmo#EMMO_d368744e_bb2e_4d40_a7ef_762505b6027e",
         "StandardAbsoluteActivityOfSolvent": "https://w3id.org/emmo#EMMO_bf66642d_f13d_42d2_ad6d_eafd41686155",
         "StandardAmountConcentration": "https://w3id.org/emmo#EMMO_46b8d239_5d79_4d3e_bf8e_228d52fc3428",
         "StandardChemicalPotential": "https://w3id.org/emmo#EMMO_be31e6c6_881f_41c4_8354_c05aac4d7c46",
diff --git a/versions/0.5.0-beta/context/context.json b/versions/0.5.0-beta/context/context.json
index 7e7cd32..d89849d 100644
--- a/versions/0.5.0-beta/context/context.json
+++ b/versions/0.5.0-beta/context/context.json
@@ -1157,7 +1157,7 @@
         "Device": "https://w3id.org/emmo#EMMO_494b372c_cfdf_47d3_a4de_5e037c540de8",
         "DewPointTemperature": "https://w3id.org/emmo#EMMO_a383e332_a271_463f_9e44_559604547220",
         "Diameter": "https://w3id.org/emmo#EMMO_c1c8ac3c_8a1c_4777_8e0b_14c1f9f9b0c6",
-        "Dichloromethane": "https://w3id.org/emmo/domain/chemical-substance#substance_a6feec60_5fe7_4687_b427_3bf2ed06008d",
+        "Dichloromethane": "https://w3id.org/emmo/domain/chemical-substance#substance_8385c3c4_5906_48f6_b6b6_4bb60dccc27a",
         "DieCasting": "https://w3id.org/emmo#EMMO_a85d0b8a_588e_423f_b799_97b0890e9183",
         "DiethylCarbonate": "https://w3id.org/emmo/domain/chemical-substance#substance_b8baff0d_7163_4ef1_ac3b_7694b59e500a",
         "DiethyleneGlycolDiethylEther": "https://w3id.org/emmo/domain/chemical-substance#substance_29ee50d4_27ed_4228_bd26_0010d9310f03",
@@ -1177,7 +1177,7 @@
         "Dimethoxymethane": "https://w3id.org/emmo/domain/chemical-substance#substance_21954b0b_c05c_42db_b276_3a931d8aabb1",
         "DimethylCarbonate": "https://w3id.org/emmo/domain/chemical-substance#substance_c4a7d7bd_497e_457e_b858_ff73254266d0",
         "DimethylSulfoxide": "https://w3id.org/emmo/domain/chemical-substance#substance_ea68e1a4_6be8_4686_8701_ba88b40d00b7",
-        "Dimethylformamide": "https://w3id.org/emmo/domain/chemical-substance#substance_817d1989_4d6d_4c32_9951_85973afc538d",
+        "Dimethylformamide": "https://w3id.org/emmo/domain/chemical-substance#substance_769bdc09_f533_4fde_bb53_20339d5bfcb7",
         "Dimethylpropyleneurea": "https://w3id.org/emmo/domain/chemical-substance#substance_945c68da_3baf_4da6_b794_dca7aebc4ca7",
         "Dimethylsulfate": "https://w3id.org/emmo/domain/chemical-substance#substance_3c8fb431_7d9d_4a89_a494_708df34f44d3",
         "Dioxolane": "https://w3id.org/emmo/domain/chemical-substance#substance_0e235e95_739d_443a_ad4b_97ef1edb9c89",
@@ -2481,7 +2481,7 @@
         "PolyvinylideneFluoride": "https://w3id.org/emmo/domain/chemical-substance#substance_f2e48e9e_f774_4f42_939f_1fe522efb7c8",
         "PorcelainOrCeramicCasting": "https://w3id.org/emmo#EMMO_d320f878_2be4_4927_aea6_d36a2ae2dd89",
         "Porosity": "https://w3id.org/emmo#EMMO_3a6578ac_aee0_43b9_9bc6_1eb208c8c9a9",
-        "PositionVector": "https://w3id.org/emmo#EMMO_4312cae4_03ba_457e_b35d_0671a7db350c",
+        "PositionVector": "https://w3id.org/emmo#EMMO_44da6d75_54a4_4aa8_bd3a_156f6e9abb8e",
         "Positron": "https://w3id.org/emmo#EMMO_26a38b26_38ea_4acf_b212_db9e34c71b7a",
         "PostTransitionMetalElementalSubstance": "https://w3id.org/emmo/domain/chemical-substance#substance_b978912b_19ef_4d46_8c91_2e3578b12670",
         "PostTransitionMetalOxideCompound": "https://w3id.org/emmo/domain/chemical-substance#substance_61c88366_7689_4814_b0c5_1f53aef1eebd",
@@ -2560,7 +2560,7 @@
         "Pyridine": "https://w3id.org/emmo/domain/chemical-substance#substance_f1e874cf_3e5e_46e3_9bb9_0befc3f7361a",
         "PyruvicAcid": "https://w3id.org/emmo/domain/chemical-substance#substance_feb95008_db3a_4506_b7ff_6263befa0d64",
         "Python": "https://w3id.org/emmo#EMMO_add2e29d_6d87_4b78_9706_588e25557093",
-        "QualityFactor": "https://w3id.org/emmo#EMMO_cff5ef70_96eb_4ea3_9bea_fe1fbe6177be",
+        "QualityFactor": "https://w3id.org/emmo#EMMO_0658e7df_ffd9_4779_82fc_62efe0a7f3b1",
         "Quantity": "https://w3id.org/emmo#EMMO_0650c031_42b6_4f0a_b62d_d88f071da6bf",
         "QuantityValue": "https://w3id.org/emmo#EMMO_f658c301_ce93_46cf_9639_4eace2c5d1d5",
         "Quantum": "https://w3id.org/emmo#EMMO_3f9ae00e_810c_4518_aec2_7200e424cf68",
@@ -2976,7 +2976,7 @@
         "Stage": "https://w3id.org/emmo#EMMO_a633c6f8_4269_4870_9b28_f5ca1783fd54",
         "StandaloneAtom": "https://w3id.org/emmo#EMMO_2fd3f574_5e93_47fe_afca_ed80b0a21ab4",
         "StandaloneModelSimulation": "https://w3id.org/emmo#EMMO_d0bcf2ca_cd55_4f34_8fc2_2decc4c6087a",
-        "StandardAbsoluteActivity": "https://w3id.org/emmo#EMMO_340ec9c3_7b0a_4169_a739_6f9242517ff4",
+        "StandardAbsoluteActivity": "https://w3id.org/emmo#EMMO_d368744e_bb2e_4d40_a7ef_762505b6027e",
         "StandardAbsoluteActivityOfSolvent": "https://w3id.org/emmo#EMMO_bf66642d_f13d_42d2_ad6d_eafd41686155",
         "StandardAmountConcentration": "https://w3id.org/emmo#EMMO_46b8d239_5d79_4d3e_bf8e_228d52fc3428",
         "StandardChemicalPotential": "https://w3id.org/emmo#EMMO_be31e6c6_881f_41c4_8354_c05aac4d7c46",
diff --git a/versions/0.6.0-beta/context/context.json b/versions/0.6.0-beta/context/context.json
index 7e7cd32..d89849d 100644
--- a/versions/0.6.0-beta/context/context.json
+++ b/versions/0.6.0-beta/context/context.json
@@ -1157,7 +1157,7 @@
         "Device": "https://w3id.org/emmo#EMMO_494b372c_cfdf_47d3_a4de_5e037c540de8",
         "DewPointTemperature": "https://w3id.org/emmo#EMMO_a383e332_a271_463f_9e44_559604547220",
         "Diameter": "https://w3id.org/emmo#EMMO_c1c8ac3c_8a1c_4777_8e0b_14c1f9f9b0c6",
-        "Dichloromethane": "https://w3id.org/emmo/domain/chemical-substance#substance_a6feec60_5fe7_4687_b427_3bf2ed06008d",
+        "Dichloromethane": "https://w3id.org/emmo/domain/chemical-substance#substance_8385c3c4_5906_48f6_b6b6_4bb60dccc27a",
         "DieCasting": "https://w3id.org/emmo#EMMO_a85d0b8a_588e_423f_b799_97b0890e9183",
         "DiethylCarbonate": "https://w3id.org/emmo/domain/chemical-substance#substance_b8baff0d_7163_4ef1_ac3b_7694b59e500a",
         "DiethyleneGlycolDiethylEther": "https://w3id.org/emmo/domain/chemical-substance#substance_29ee50d4_27ed_4228_bd26_0010d9310f03",
@@ -1177,7 +1177,7 @@
         "Dimethoxymethane": "https://w3id.org/emmo/domain/chemical-substance#substance_21954b0b_c05c_42db_b276_3a931d8aabb1",
         "DimethylCarbonate": "https://w3id.org/emmo/domain/chemical-substance#substance_c4a7d7bd_497e_457e_b858_ff73254266d0",
         "DimethylSulfoxide": "https://w3id.org/emmo/domain/chemical-substance#substance_ea68e1a4_6be8_4686_8701_ba88b40d00b7",
-        "Dimethylformamide": "https://w3id.org/emmo/domain/chemical-substance#substance_817d1989_4d6d_4c32_9951_85973afc538d",
+        "Dimethylformamide": "https://w3id.org/emmo/domain/chemical-substance#substance_769bdc09_f533_4fde_bb53_20339d5bfcb7",
         "Dimethylpropyleneurea": "https://w3id.org/emmo/domain/chemical-substance#substance_945c68da_3baf_4da6_b794_dca7aebc4ca7",
         "Dimethylsulfate": "https://w3id.org/emmo/domain/chemical-substance#substance_3c8fb431_7d9d_4a89_a494_708df34f44d3",
         "Dioxolane": "https://w3id.org/emmo/domain/chemical-substance#substance_0e235e95_739d_443a_ad4b_97ef1edb9c89",
@@ -2481,7 +2481,7 @@
         "PolyvinylideneFluoride": "https://w3id.org/emmo/domain/chemical-substance#substance_f2e48e9e_f774_4f42_939f_1fe522efb7c8",
         "PorcelainOrCeramicCasting": "https://w3id.org/emmo#EMMO_d320f878_2be4_4927_aea6_d36a2ae2dd89",
         "Porosity": "https://w3id.org/emmo#EMMO_3a6578ac_aee0_43b9_9bc6_1eb208c8c9a9",
-        "PositionVector": "https://w3id.org/emmo#EMMO_4312cae4_03ba_457e_b35d_0671a7db350c",
+        "PositionVector": "https://w3id.org/emmo#EMMO_44da6d75_54a4_4aa8_bd3a_156f6e9abb8e",
         "Positron": "https://w3id.org/emmo#EMMO_26a38b26_38ea_4acf_b212_db9e34c71b7a",
         "PostTransitionMetalElementalSubstance": "https://w3id.org/emmo/domain/chemical-substance#substance_b978912b_19ef_4d46_8c91_2e3578b12670",
         "PostTransitionMetalOxideCompound": "https://w3id.org/emmo/domain/chemical-substance#substance_61c88366_7689_4814_b0c5_1f53aef1eebd",
@@ -2560,7 +2560,7 @@
         "Pyridine": "https://w3id.org/emmo/domain/chemical-substance#substance_f1e874cf_3e5e_46e3_9bb9_0befc3f7361a",
         "PyruvicAcid": "https://w3id.org/emmo/domain/chemical-substance#substance_feb95008_db3a_4506_b7ff_6263befa0d64",
         "Python": "https://w3id.org/emmo#EMMO_add2e29d_6d87_4b78_9706_588e25557093",
-        "QualityFactor": "https://w3id.org/emmo#EMMO_cff5ef70_96eb_4ea3_9bea_fe1fbe6177be",
+        "QualityFactor": "https://w3id.org/emmo#EMMO_0658e7df_ffd9_4779_82fc_62efe0a7f3b1",
         "Quantity": "https://w3id.org/emmo#EMMO_0650c031_42b6_4f0a_b62d_d88f071da6bf",
         "QuantityValue": "https://w3id.org/emmo#EMMO_f658c301_ce93_46cf_9639_4eace2c5d1d5",
         "Quantum": "https://w3id.org/emmo#EMMO_3f9ae00e_810c_4518_aec2_7200e424cf68",
@@ -2976,7 +2976,7 @@
         "Stage": "https://w3id.org/emmo#EMMO_a633c6f8_4269_4870_9b28_f5ca1783fd54",
         "StandaloneAtom": "https://w3id.org/emmo#EMMO_2fd3f574_5e93_47fe_afca_ed80b0a21ab4",
         "StandaloneModelSimulation": "https://w3id.org/emmo#EMMO_d0bcf2ca_cd55_4f34_8fc2_2decc4c6087a",
-        "StandardAbsoluteActivity": "https://w3id.org/emmo#EMMO_340ec9c3_7b0a_4169_a739_6f9242517ff4",
+        "StandardAbsoluteActivity": "https://w3id.org/emmo#EMMO_d368744e_bb2e_4d40_a7ef_762505b6027e",
         "StandardAbsoluteActivityOfSolvent": "https://w3id.org/emmo#EMMO_bf66642d_f13d_42d2_ad6d_eafd41686155",
         "StandardAmountConcentration": "https://w3id.org/emmo#EMMO_46b8d239_5d79_4d3e_bf8e_228d52fc3428",
         "StandardChemicalPotential": "https://w3id.org/emmo#EMMO_be31e6c6_881f_41c4_8354_c05aac4d7c46",
diff --git a/versions/v0.1.0-alpha/context/context.json b/versions/v0.1.0-alpha/context/context.json
index 7e7cd32..d89849d 100644
--- a/versions/v0.1.0-alpha/context/context.json
+++ b/versions/v0.1.0-alpha/context/context.json
@@ -1157,7 +1157,7 @@
         "Device": "https://w3id.org/emmo#EMMO_494b372c_cfdf_47d3_a4de_5e037c540de8",
         "DewPointTemperature": "https://w3id.org/emmo#EMMO_a383e332_a271_463f_9e44_559604547220",
         "Diameter": "https://w3id.org/emmo#EMMO_c1c8ac3c_8a1c_4777_8e0b_14c1f9f9b0c6",
-        "Dichloromethane": "https://w3id.org/emmo/domain/chemical-substance#substance_a6feec60_5fe7_4687_b427_3bf2ed06008d",
+        "Dichloromethane": "https://w3id.org/emmo/domain/chemical-substance#substance_8385c3c4_5906_48f6_b6b6_4bb60dccc27a",
         "DieCasting": "https://w3id.org/emmo#EMMO_a85d0b8a_588e_423f_b799_97b0890e9183",
         "DiethylCarbonate": "https://w3id.org/emmo/domain/chemical-substance#substance_b8baff0d_7163_4ef1_ac3b_7694b59e500a",
         "DiethyleneGlycolDiethylEther": "https://w3id.org/emmo/domain/chemical-substance#substance_29ee50d4_27ed_4228_bd26_0010d9310f03",
@@ -1177,7 +1177,7 @@
         "Dimethoxymethane": "https://w3id.org/emmo/domain/chemical-substance#substance_21954b0b_c05c_42db_b276_3a931d8aabb1",
         "DimethylCarbonate": "https://w3id.org/emmo/domain/chemical-substance#substance_c4a7d7bd_497e_457e_b858_ff73254266d0",
         "DimethylSulfoxide": "https://w3id.org/emmo/domain/chemical-substance#substance_ea68e1a4_6be8_4686_8701_ba88b40d00b7",
-        "Dimethylformamide": "https://w3id.org/emmo/domain/chemical-substance#substance_817d1989_4d6d_4c32_9951_85973afc538d",
+        "Dimethylformamide": "https://w3id.org/emmo/domain/chemical-substance#substance_769bdc09_f533_4fde_bb53_20339d5bfcb7",
         "Dimethylpropyleneurea": "https://w3id.org/emmo/domain/chemical-substance#substance_945c68da_3baf_4da6_b794_dca7aebc4ca7",
         "Dimethylsulfate": "https://w3id.org/emmo/domain/chemical-substance#substance_3c8fb431_7d9d_4a89_a494_708df34f44d3",
         "Dioxolane": "https://w3id.org/emmo/domain/chemical-substance#substance_0e235e95_739d_443a_ad4b_97ef1edb9c89",
@@ -2481,7 +2481,7 @@
         "PolyvinylideneFluoride": "https://w3id.org/emmo/domain/chemical-substance#substance_f2e48e9e_f774_4f42_939f_1fe522efb7c8",
         "PorcelainOrCeramicCasting": "https://w3id.org/emmo#EMMO_d320f878_2be4_4927_aea6_d36a2ae2dd89",
         "Porosity": "https://w3id.org/emmo#EMMO_3a6578ac_aee0_43b9_9bc6_1eb208c8c9a9",
-        "PositionVector": "https://w3id.org/emmo#EMMO_4312cae4_03ba_457e_b35d_0671a7db350c",
+        "PositionVector": "https://w3id.org/emmo#EMMO_44da6d75_54a4_4aa8_bd3a_156f6e9abb8e",
         "Positron": "https://w3id.org/emmo#EMMO_26a38b26_38ea_4acf_b212_db9e34c71b7a",
         "PostTransitionMetalElementalSubstance": "https://w3id.org/emmo/domain/chemical-substance#substance_b978912b_19ef_4d46_8c91_2e3578b12670",
         "PostTransitionMetalOxideCompound": "https://w3id.org/emmo/domain/chemical-substance#substance_61c88366_7689_4814_b0c5_1f53aef1eebd",
@@ -2560,7 +2560,7 @@
         "Pyridine": "https://w3id.org/emmo/domain/chemical-substance#substance_f1e874cf_3e5e_46e3_9bb9_0befc3f7361a",
         "PyruvicAcid": "https://w3id.org/emmo/domain/chemical-substance#substance_feb95008_db3a_4506_b7ff_6263befa0d64",
         "Python": "https://w3id.org/emmo#EMMO_add2e29d_6d87_4b78_9706_588e25557093",
-        "QualityFactor": "https://w3id.org/emmo#EMMO_cff5ef70_96eb_4ea3_9bea_fe1fbe6177be",
+        "QualityFactor": "https://w3id.org/emmo#EMMO_0658e7df_ffd9_4779_82fc_62efe0a7f3b1",
         "Quantity": "https://w3id.org/emmo#EMMO_0650c031_42b6_4f0a_b62d_d88f071da6bf",
         "QuantityValue": "https://w3id.org/emmo#EMMO_f658c301_ce93_46cf_9639_4eace2c5d1d5",
         "Quantum": "https://w3id.org/emmo#EMMO_3f9ae00e_810c_4518_aec2_7200e424cf68",
@@ -2976,7 +2976,7 @@
         "Stage": "https://w3id.org/emmo#EMMO_a633c6f8_4269_4870_9b28_f5ca1783fd54",
         "StandaloneAtom": "https://w3id.org/emmo#EMMO_2fd3f574_5e93_47fe_afca_ed80b0a21ab4",
         "StandaloneModelSimulation": "https://w3id.org/emmo#EMMO_d0bcf2ca_cd55_4f34_8fc2_2decc4c6087a",
-        "StandardAbsoluteActivity": "https://w3id.org/emmo#EMMO_340ec9c3_7b0a_4169_a739_6f9242517ff4",
+        "StandardAbsoluteActivity": "https://w3id.org/emmo#EMMO_d368744e_bb2e_4d40_a7ef_762505b6027e",
         "StandardAbsoluteActivityOfSolvent": "https://w3id.org/emmo#EMMO_bf66642d_f13d_42d2_ad6d_eafd41686155",
         "StandardAmountConcentration": "https://w3id.org/emmo#EMMO_46b8d239_5d79_4d3e_bf8e_228d52fc3428",
         "StandardChemicalPotential": "https://w3id.org/emmo#EMMO_be31e6c6_881f_41c4_8354_c05aac4d7c46",
diff --git a/versions/v0.2.0-alpha/context/context.json b/versions/v0.2.0-alpha/context/context.json
index 7e7cd32..d89849d 100644
--- a/versions/v0.2.0-alpha/context/context.json
+++ b/versions/v0.2.0-alpha/context/context.json
@@ -1157,7 +1157,7 @@
         "Device": "https://w3id.org/emmo#EMMO_494b372c_cfdf_47d3_a4de_5e037c540de8",
         "DewPointTemperature": "https://w3id.org/emmo#EMMO_a383e332_a271_463f_9e44_559604547220",
         "Diameter": "https://w3id.org/emmo#EMMO_c1c8ac3c_8a1c_4777_8e0b_14c1f9f9b0c6",
-        "Dichloromethane": "https://w3id.org/emmo/domain/chemical-substance#substance_a6feec60_5fe7_4687_b427_3bf2ed06008d",
+        "Dichloromethane": "https://w3id.org/emmo/domain/chemical-substance#substance_8385c3c4_5906_48f6_b6b6_4bb60dccc27a",
         "DieCasting": "https://w3id.org/emmo#EMMO_a85d0b8a_588e_423f_b799_97b0890e9183",
         "DiethylCarbonate": "https://w3id.org/emmo/domain/chemical-substance#substance_b8baff0d_7163_4ef1_ac3b_7694b59e500a",
         "DiethyleneGlycolDiethylEther": "https://w3id.org/emmo/domain/chemical-substance#substance_29ee50d4_27ed_4228_bd26_0010d9310f03",
@@ -1177,7 +1177,7 @@
         "Dimethoxymethane": "https://w3id.org/emmo/domain/chemical-substance#substance_21954b0b_c05c_42db_b276_3a931d8aabb1",
         "DimethylCarbonate": "https://w3id.org/emmo/domain/chemical-substance#substance_c4a7d7bd_497e_457e_b858_ff73254266d0",
         "DimethylSulfoxide": "https://w3id.org/emmo/domain/chemical-substance#substance_ea68e1a4_6be8_4686_8701_ba88b40d00b7",
-        "Dimethylformamide": "https://w3id.org/emmo/domain/chemical-substance#substance_817d1989_4d6d_4c32_9951_85973afc538d",
+        "Dimethylformamide": "https://w3id.org/emmo/domain/chemical-substance#substance_769bdc09_f533_4fde_bb53_20339d5bfcb7",
         "Dimethylpropyleneurea": "https://w3id.org/emmo/domain/chemical-substance#substance_945c68da_3baf_4da6_b794_dca7aebc4ca7",
         "Dimethylsulfate": "https://w3id.org/emmo/domain/chemical-substance#substance_3c8fb431_7d9d_4a89_a494_708df34f44d3",
         "Dioxolane": "https://w3id.org/emmo/domain/chemical-substance#substance_0e235e95_739d_443a_ad4b_97ef1edb9c89",
@@ -2481,7 +2481,7 @@
         "PolyvinylideneFluoride": "https://w3id.org/emmo/domain/chemical-substance#substance_f2e48e9e_f774_4f42_939f_1fe522efb7c8",
         "PorcelainOrCeramicCasting": "https://w3id.org/emmo#EMMO_d320f878_2be4_4927_aea6_d36a2ae2dd89",
         "Porosity": "https://w3id.org/emmo#EMMO_3a6578ac_aee0_43b9_9bc6_1eb208c8c9a9",
-        "PositionVector": "https://w3id.org/emmo#EMMO_4312cae4_03ba_457e_b35d_0671a7db350c",
+        "PositionVector": "https://w3id.org/emmo#EMMO_44da6d75_54a4_4aa8_bd3a_156f6e9abb8e",
         "Positron": "https://w3id.org/emmo#EMMO_26a38b26_38ea_4acf_b212_db9e34c71b7a",
         "PostTransitionMetalElementalSubstance": "https://w3id.org/emmo/domain/chemical-substance#substance_b978912b_19ef_4d46_8c91_2e3578b12670",
         "PostTransitionMetalOxideCompound": "https://w3id.org/emmo/domain/chemical-substance#substance_61c88366_7689_4814_b0c5_1f53aef1eebd",
@@ -2560,7 +2560,7 @@
         "Pyridine": "https://w3id.org/emmo/domain/chemical-substance#substance_f1e874cf_3e5e_46e3_9bb9_0befc3f7361a",
         "PyruvicAcid": "https://w3id.org/emmo/domain/chemical-substance#substance_feb95008_db3a_4506_b7ff_6263befa0d64",
         "Python": "https://w3id.org/emmo#EMMO_add2e29d_6d87_4b78_9706_588e25557093",
-        "QualityFactor": "https://w3id.org/emmo#EMMO_cff5ef70_96eb_4ea3_9bea_fe1fbe6177be",
+        "QualityFactor": "https://w3id.org/emmo#EMMO_0658e7df_ffd9_4779_82fc_62efe0a7f3b1",
         "Quantity": "https://w3id.org/emmo#EMMO_0650c031_42b6_4f0a_b62d_d88f071da6bf",
         "QuantityValue": "https://w3id.org/emmo#EMMO_f658c301_ce93_46cf_9639_4eace2c5d1d5",
         "Quantum": "https://w3id.org/emmo#EMMO_3f9ae00e_810c_4518_aec2_7200e424cf68",
@@ -2976,7 +2976,7 @@
         "Stage": "https://w3id.org/emmo#EMMO_a633c6f8_4269_4870_9b28_f5ca1783fd54",
         "StandaloneAtom": "https://w3id.org/emmo#EMMO_2fd3f574_5e93_47fe_afca_ed80b0a21ab4",
         "StandaloneModelSimulation": "https://w3id.org/emmo#EMMO_d0bcf2ca_cd55_4f34_8fc2_2decc4c6087a",
-        "StandardAbsoluteActivity": "https://w3id.org/emmo#EMMO_340ec9c3_7b0a_4169_a739_6f9242517ff4",
+        "StandardAbsoluteActivity": "https://w3id.org/emmo#EMMO_d368744e_bb2e_4d40_a7ef_762505b6027e",
         "StandardAbsoluteActivityOfSolvent": "https://w3id.org/emmo#EMMO_bf66642d_f13d_42d2_ad6d_eafd41686155",
         "StandardAmountConcentration": "https://w3id.org/emmo#EMMO_46b8d239_5d79_4d3e_bf8e_228d52fc3428",
         "StandardChemicalPotential": "https://w3id.org/emmo#EMMO_be31e6c6_881f_41c4_8354_c05aac4d7c46",
diff --git a/versions/v0.3.0-beta/context/context.json b/versions/v0.3.0-beta/context/context.json
index 7e7cd32..d89849d 100644
--- a/versions/v0.3.0-beta/context/context.json
+++ b/versions/v0.3.0-beta/context/context.json
@@ -1157,7 +1157,7 @@
         "Device": "https://w3id.org/emmo#EMMO_494b372c_cfdf_47d3_a4de_5e037c540de8",
         "DewPointTemperature": "https://w3id.org/emmo#EMMO_a383e332_a271_463f_9e44_559604547220",
         "Diameter": "https://w3id.org/emmo#EMMO_c1c8ac3c_8a1c_4777_8e0b_14c1f9f9b0c6",
-        "Dichloromethane": "https://w3id.org/emmo/domain/chemical-substance#substance_a6feec60_5fe7_4687_b427_3bf2ed06008d",
+        "Dichloromethane": "https://w3id.org/emmo/domain/chemical-substance#substance_8385c3c4_5906_48f6_b6b6_4bb60dccc27a",
         "DieCasting": "https://w3id.org/emmo#EMMO_a85d0b8a_588e_423f_b799_97b0890e9183",
         "DiethylCarbonate": "https://w3id.org/emmo/domain/chemical-substance#substance_b8baff0d_7163_4ef1_ac3b_7694b59e500a",
         "DiethyleneGlycolDiethylEther": "https://w3id.org/emmo/domain/chemical-substance#substance_29ee50d4_27ed_4228_bd26_0010d9310f03",
@@ -1177,7 +1177,7 @@
         "Dimethoxymethane": "https://w3id.org/emmo/domain/chemical-substance#substance_21954b0b_c05c_42db_b276_3a931d8aabb1",
         "DimethylCarbonate": "https://w3id.org/emmo/domain/chemical-substance#substance_c4a7d7bd_497e_457e_b858_ff73254266d0",
         "DimethylSulfoxide": "https://w3id.org/emmo/domain/chemical-substance#substance_ea68e1a4_6be8_4686_8701_ba88b40d00b7",
-        "Dimethylformamide": "https://w3id.org/emmo/domain/chemical-substance#substance_817d1989_4d6d_4c32_9951_85973afc538d",
+        "Dimethylformamide": "https://w3id.org/emmo/domain/chemical-substance#substance_769bdc09_f533_4fde_bb53_20339d5bfcb7",
         "Dimethylpropyleneurea": "https://w3id.org/emmo/domain/chemical-substance#substance_945c68da_3baf_4da6_b794_dca7aebc4ca7",
         "Dimethylsulfate": "https://w3id.org/emmo/domain/chemical-substance#substance_3c8fb431_7d9d_4a89_a494_708df34f44d3",
         "Dioxolane": "https://w3id.org/emmo/domain/chemical-substance#substance_0e235e95_739d_443a_ad4b_97ef1edb9c89",
@@ -2481,7 +2481,7 @@
         "PolyvinylideneFluoride": "https://w3id.org/emmo/domain/chemical-substance#substance_f2e48e9e_f774_4f42_939f_1fe522efb7c8",
         "PorcelainOrCeramicCasting": "https://w3id.org/emmo#EMMO_d320f878_2be4_4927_aea6_d36a2ae2dd89",
         "Porosity": "https://w3id.org/emmo#EMMO_3a6578ac_aee0_43b9_9bc6_1eb208c8c9a9",
-        "PositionVector": "https://w3id.org/emmo#EMMO_4312cae4_03ba_457e_b35d_0671a7db350c",
+        "PositionVector": "https://w3id.org/emmo#EMMO_44da6d75_54a4_4aa8_bd3a_156f6e9abb8e",
         "Positron": "https://w3id.org/emmo#EMMO_26a38b26_38ea_4acf_b212_db9e34c71b7a",
         "PostTransitionMetalElementalSubstance": "https://w3id.org/emmo/domain/chemical-substance#substance_b978912b_19ef_4d46_8c91_2e3578b12670",
         "PostTransitionMetalOxideCompound": "https://w3id.org/emmo/domain/chemical-substance#substance_61c88366_7689_4814_b0c5_1f53aef1eebd",
@@ -2560,7 +2560,7 @@
         "Pyridine": "https://w3id.org/emmo/domain/chemical-substance#substance_f1e874cf_3e5e_46e3_9bb9_0befc3f7361a",
         "PyruvicAcid": "https://w3id.org/emmo/domain/chemical-substance#substance_feb95008_db3a_4506_b7ff_6263befa0d64",
         "Python": "https://w3id.org/emmo#EMMO_add2e29d_6d87_4b78_9706_588e25557093",
-        "QualityFactor": "https://w3id.org/emmo#EMMO_cff5ef70_96eb_4ea3_9bea_fe1fbe6177be",
+        "QualityFactor": "https://w3id.org/emmo#EMMO_0658e7df_ffd9_4779_82fc_62efe0a7f3b1",
         "Quantity": "https://w3id.org/emmo#EMMO_0650c031_42b6_4f0a_b62d_d88f071da6bf",
         "QuantityValue": "https://w3id.org/emmo#EMMO_f658c301_ce93_46cf_9639_4eace2c5d1d5",
         "Quantum": "https://w3id.org/emmo#EMMO_3f9ae00e_810c_4518_aec2_7200e424cf68",
@@ -2976,7 +2976,7 @@
         "Stage": "https://w3id.org/emmo#EMMO_a633c6f8_4269_4870_9b28_f5ca1783fd54",
         "StandaloneAtom": "https://w3id.org/emmo#EMMO_2fd3f574_5e93_47fe_afca_ed80b0a21ab4",
         "StandaloneModelSimulation": "https://w3id.org/emmo#EMMO_d0bcf2ca_cd55_4f34_8fc2_2decc4c6087a",
-        "StandardAbsoluteActivity": "https://w3id.org/emmo#EMMO_340ec9c3_7b0a_4169_a739_6f9242517ff4",
+        "StandardAbsoluteActivity": "https://w3id.org/emmo#EMMO_d368744e_bb2e_4d40_a7ef_762505b6027e",
         "StandardAbsoluteActivityOfSolvent": "https://w3id.org/emmo#EMMO_bf66642d_f13d_42d2_ad6d_eafd41686155",
         "StandardAmountConcentration": "https://w3id.org/emmo#EMMO_46b8d239_5d79_4d3e_bf8e_228d52fc3428",
         "StandardChemicalPotential": "https://w3id.org/emmo#EMMO_be31e6c6_881f_41c4_8354_c05aac4d7c46",
diff --git a/versions/v0.4.0-beta/context/context.json b/versions/v0.4.0-beta/context/context.json
index 7e7cd32..d89849d 100644
--- a/versions/v0.4.0-beta/context/context.json
+++ b/versions/v0.4.0-beta/context/context.json
@@ -1157,7 +1157,7 @@
         "Device": "https://w3id.org/emmo#EMMO_494b372c_cfdf_47d3_a4de_5e037c540de8",
         "DewPointTemperature": "https://w3id.org/emmo#EMMO_a383e332_a271_463f_9e44_559604547220",
         "Diameter": "https://w3id.org/emmo#EMMO_c1c8ac3c_8a1c_4777_8e0b_14c1f9f9b0c6",
-        "Dichloromethane": "https://w3id.org/emmo/domain/chemical-substance#substance_a6feec60_5fe7_4687_b427_3bf2ed06008d",
+        "Dichloromethane": "https://w3id.org/emmo/domain/chemical-substance#substance_8385c3c4_5906_48f6_b6b6_4bb60dccc27a",
         "DieCasting": "https://w3id.org/emmo#EMMO_a85d0b8a_588e_423f_b799_97b0890e9183",
         "DiethylCarbonate": "https://w3id.org/emmo/domain/chemical-substance#substance_b8baff0d_7163_4ef1_ac3b_7694b59e500a",
         "DiethyleneGlycolDiethylEther": "https://w3id.org/emmo/domain/chemical-substance#substance_29ee50d4_27ed_4228_bd26_0010d9310f03",
@@ -1177,7 +1177,7 @@
         "Dimethoxymethane": "https://w3id.org/emmo/domain/chemical-substance#substance_21954b0b_c05c_42db_b276_3a931d8aabb1",
         "DimethylCarbonate": "https://w3id.org/emmo/domain/chemical-substance#substance_c4a7d7bd_497e_457e_b858_ff73254266d0",
         "DimethylSulfoxide": "https://w3id.org/emmo/domain/chemical-substance#substance_ea68e1a4_6be8_4686_8701_ba88b40d00b7",
-        "Dimethylformamide": "https://w3id.org/emmo/domain/chemical-substance#substance_817d1989_4d6d_4c32_9951_85973afc538d",
+        "Dimethylformamide": "https://w3id.org/emmo/domain/chemical-substance#substance_769bdc09_f533_4fde_bb53_20339d5bfcb7",
         "Dimethylpropyleneurea": "https://w3id.org/emmo/domain/chemical-substance#substance_945c68da_3baf_4da6_b794_dca7aebc4ca7",
         "Dimethylsulfate": "https://w3id.org/emmo/domain/chemical-substance#substance_3c8fb431_7d9d_4a89_a494_708df34f44d3",
         "Dioxolane": "https://w3id.org/emmo/domain/chemical-substance#substance_0e235e95_739d_443a_ad4b_97ef1edb9c89",
@@ -2481,7 +2481,7 @@
         "PolyvinylideneFluoride": "https://w3id.org/emmo/domain/chemical-substance#substance_f2e48e9e_f774_4f42_939f_1fe522efb7c8",
         "PorcelainOrCeramicCasting": "https://w3id.org/emmo#EMMO_d320f878_2be4_4927_aea6_d36a2ae2dd89",
         "Porosity": "https://w3id.org/emmo#EMMO_3a6578ac_aee0_43b9_9bc6_1eb208c8c9a9",
-        "PositionVector": "https://w3id.org/emmo#EMMO_4312cae4_03ba_457e_b35d_0671a7db350c",
+        "PositionVector": "https://w3id.org/emmo#EMMO_44da6d75_54a4_4aa8_bd3a_156f6e9abb8e",
         "Positron": "https://w3id.org/emmo#EMMO_26a38b26_38ea_4acf_b212_db9e34c71b7a",
         "PostTransitionMetalElementalSubstance": "https://w3id.org/emmo/domain/chemical-substance#substance_b978912b_19ef_4d46_8c91_2e3578b12670",
         "PostTransitionMetalOxideCompound": "https://w3id.org/emmo/domain/chemical-substance#substance_61c88366_7689_4814_b0c5_1f53aef1eebd",
@@ -2560,7 +2560,7 @@
         "Pyridine": "https://w3id.org/emmo/domain/chemical-substance#substance_f1e874cf_3e5e_46e3_9bb9_0befc3f7361a",
         "PyruvicAcid": "https://w3id.org/emmo/domain/chemical-substance#substance_feb95008_db3a_4506_b7ff_6263befa0d64",
         "Python": "https://w3id.org/emmo#EMMO_add2e29d_6d87_4b78_9706_588e25557093",
-        "QualityFactor": "https://w3id.org/emmo#EMMO_cff5ef70_96eb_4ea3_9bea_fe1fbe6177be",
+        "QualityFactor": "https://w3id.org/emmo#EMMO_0658e7df_ffd9_4779_82fc_62efe0a7f3b1",
         "Quantity": "https://w3id.org/emmo#EMMO_0650c031_42b6_4f0a_b62d_d88f071da6bf",
         "QuantityValue": "https://w3id.org/emmo#EMMO_f658c301_ce93_46cf_9639_4eace2c5d1d5",
         "Quantum": "https://w3id.org/emmo#EMMO_3f9ae00e_810c_4518_aec2_7200e424cf68",
@@ -2976,7 +2976,7 @@
         "Stage": "https://w3id.org/emmo#EMMO_a633c6f8_4269_4870_9b28_f5ca1783fd54",
         "StandaloneAtom": "https://w3id.org/emmo#EMMO_2fd3f574_5e93_47fe_afca_ed80b0a21ab4",
         "StandaloneModelSimulation": "https://w3id.org/emmo#EMMO_d0bcf2ca_cd55_4f34_8fc2_2decc4c6087a",
-        "StandardAbsoluteActivity": "https://w3id.org/emmo#EMMO_340ec9c3_7b0a_4169_a739_6f9242517ff4",
+        "StandardAbsoluteActivity": "https://w3id.org/emmo#EMMO_d368744e_bb2e_4d40_a7ef_762505b6027e",
         "StandardAbsoluteActivityOfSolvent": "https://w3id.org/emmo#EMMO_bf66642d_f13d_42d2_ad6d_eafd41686155",
         "StandardAmountConcentration": "https://w3id.org/emmo#EMMO_46b8d239_5d79_4d3e_bf8e_228d52fc3428",
         "StandardChemicalPotential": "https://w3id.org/emmo#EMMO_be31e6c6_881f_41c4_8354_c05aac4d7c46",