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Protonation constants of carbonate were determined in tetramethylammonium chloride (Me 4 NCl aq 0.1≤I/molkg −1 ≤4) and tetraethylammonium iodide (Et 4 NI aq 0.1≤I/molkg −1 ≤1) by potentiometric ([H + ]-glass electrode) measurements. Dependence of protonation constants on ionic strength was taken into account by modified specific ion interaction...
Protonation enthalpies of ethylenediamine, 1,6-hexanediamine, 1,8-octanediamine and 1,10-decanediamine were determined at 25 o C in NaCl aqueous solutions, 0<I=<3moldm -3 (0<I=<5moldm -3 , for 1,6-hexanediamine). The dependence on ionic strength of ΔH 0 can be expressed by the equation -ΔH 0 =-ΔH 0 (I=0)+a 1 I+a 2 ...
Copper(II) complexes with the herbicide N-(phosphonomethyl)glycine (glyphosate) have been investigated in aqueous solution by means of pH-metric measurements at different temperatures, 5 ≤ T ≤ 45°C, calorimetry and visible spectrophotometry. Potentiometric data, at all the considered temperatures in the range 2.5 ≤ pH ≤ 10.5, can be explained assuming the formation of the species CuLH 0 ,...
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