Procedure—
Transfer an accurately weighed amount of Oral Suspension, equivalent to about 0.15 g of cellulose sodium phosphate, to a 250-mL beaker. Proceed as directed for
Procedure in
Calcium binding capacity under
Cellulose Sodium Phosphate, beginning with “Add 150.0 mL of
Standard calcium solution.” Calculate the calcium binding capacity, in mmol per g, of the portion of undried Cellulose Sodium Phosphate for Oral Suspension taken by the formula:
(150
MS 
3
VSMS) /
W,
in which
W is the weight, in g, of Cellulose Sodium Phosphate for Oral Suspension taken; and the other terms are as defined therein: not less than 1.8 mmol per g, calculated on the dried basis, is found.
731
—
Dry it at 105
for 3 hours: it loses not more than 10.0% of its weight.