Monograph - Metrohm

Compilation of results: acids as titrantsCompilation of results: acids as titrantsa) Electrode with LiCl sat. in ethanolb) Electrode with TEA-Br in ethylene glycolI. Ethanolamine; titrant: perchloric acid in glacial acetic acid (HAc)Solvent Electr. pH init pH end d pH pH EP «TAN»Ethanol a) 6.7 -1.9 8.6 0.56 0.100Ethanol a) 6.8 -1.8 8.6 0.40 0.100Ethanol a) 7.1 -1.7 8.8 0.65 0.100Ethanol b) 7.3 -1.0 8.3 1.40 0.101Ethanol b) 7.6 -1.0 8.6 1.03 0.099Ethanol b) 8.1 -1.0 9.1 1.30 0.100Acetone a) 6.4 -5.4 11.8 -1.75 0.098Acetone a) 6.5 -5.5 12.0 -0.90 0.096Acetone a) 6.4 -5.5 11.9 -2.31 0.099Acetone b) 7.6 -4.2 11.8 -1.12 0.099Acetone b) 7.5 -4.2 11.7 -1.02 0.100Acetone b) 7.7 -4.2 11.9 -0.30 0.098Acetonitrile a) 7.8 -5.2 13.0 -1.86 0.100Acetonitrile a) 7.7 -5.4 13.1 -0.79 0.100Acetonitrile a) 7.8 -5.3 13.1 -2.08 0.099Acetonitrile b) 8.4 -4.6 13.0 -1.03 0.098Acetonitrile b) 8.4 -4.3 12.7 -1.29 0.100Acetonitrile b) 8.5 -4.4 12.9 -1.51 0.099Dioxane/IPA 1:1 a) 5.8 -3.2 9.0 -0.17 0.102Dioxane/IPA 1:1 a) 5.8 -3.3 9.1 -0.53 0.102Dioxane/IPA 1:1 a) 6.0 -3.3 9.3 -0.58 0.102Dioxane/IPA 1:1 b) 6.8 -2.4 9.2 0.31 0.100Dioxane/IPA 1:1 b) 6.7 -2.3 9.0 0.30 0.099Dioxane/IPA 1:1 b) 6.7 -2.2 8.9 1.01 0.100MIBK/HAc/toluene 1:1:1 a) 0.7 -5.7 6.4 -3.11 0.100MIBK/HAc/toluene 1:1:1 a) 0.7 -5.7 6.4 -2.66 0.101MIBK/HAc/toluene 1:1:1 a) 0.7 -5.7 6.4 -3.31 0.100MIBK/HAc/toluene 1:1:1 b) 0.7 -5.2 5.9 -2.98 0.099MIBK/HAc/toluene 1:1:1 b) 1.0 -5.0 6.0 -2.66 0.099MIBK/HAc/toluene 1:1:1 b) 1.1 -4.8 5.9 -2.49 0.100Toluene/IPA/water 500:495:5 a) 6.7 -2.9 9.6 -0.58 0.099Toluene/IPA/water 500:495:5 a) 6.5 -2.7 9.2 -0.40 0.099Toluene/IPA/water 500:495:5 a) 6.4 -2.3 8.7 0.38 0.100Non-aqueous titration of acids and bases with potentiometric endpoint indication 37