Table 1.

Estimated dissociation equilibria of citric acid in sols A and B.

solpHAC (mol%)AC2− (mol%)AC3− (mol%)
A7.2a2080
6.8b13762
B8.3a2.597.5
7.8b694
  • aStarting values at 25°C. bFinal values at 80–90°C.