Monograph - Metrohm
Monograph - Metrohm
Monograph - Metrohm
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Compilation of results: acids as titrantsSolvent Electr. pH init pH end d pH pH EP «TAN»Toluene/IPA/water 500:495:5 a) 3.0 -2.6 5.6 -1.07 0.101Toluene/IPA/water 500:495:5 a) 3.2 -2.6 5.8 -1.05 0.101Toluene/IPA/water 500:495:5 a) 3.1 -2.4 5.5 -1.03 0.101Toluene/IPA/water 500:495:5 b) 4.1 -1.2 5.3 0.07 0.101Toluene/IPA/water 500:495:5 b) 3.8 -1.5 5.3 -0.02 0.101Toluene/IPA/water 500:495:5 b) 4.0 -1.2 5.2 -0.07 0.101III. Urea; titrant: perchloric acid in glacial acetic acid (HAc)Solvent Electr. pH init pH end d pH pH EP «TAN»Ethanol a) - - - - -Ethanol a) - - - - -Ethanol a) - - - - -Ethanol b) - - - - -Ethanol b) - - - - -Ethanol b) - - - - -Acetone a) - - - - -Acetone a) - - - - -Acetone a) - - - - -Acetone b) - - - - -Acetone b) - - - - -Acetone b) - - - - -Acetonitrile a) - - - - -Acetonitrile a) - - - - -Acetonitrile a) - - - - -Acetonitrile b) - - - - -Acetonitrile b) - - - - -Acetonitrile b) - - - - -Dioxane/IPA 1:1 a) - - - - -Dioxane/IPA 1:1 a) - - - - -Dioxane/IPA 1:1 a) - - - - -Dioxane/IPA 1:1 b) - - - - -Dioxane/IPA 1:1 b) - - - - -Dioxane/IPA 1:1 b) - - - - -MIBK/HAc/toluene 1:1:1 a) - - - - -MIBK/HAc/toluene 1:1:1 a) - - - - -MIBK/HAc/toluene 1:1:1 a) - - - - -Non-aqueous titration of acids and bases with potentiometric endpoint indication 39