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Figure 3.
Calcium-ion activity and turbidity given as function of pH of heated 50 mmol·L−1 CaCl2 with 50 mmol·L−1 Na2UMP solution titrated from pH 8.0 to 5.0 at ambient temperature with 1 N HCl. (■) Calcium-ion activity and (- -♦- -) turbidity.