pH 6.0 acetate buffer
Prepare as directed in the test for Limit of aluminum under Calcium Acetate
Procedure Weigh and finely powder not fewer than 10 Tablets Weigh accurately a portion of the powder, equivalent to about 1.0 g of calcium acetate Add 50 mL and 5 mL of pH 6.0 acetate buffer. Proceed as directed for Procedure in the test for Limit of all minum under Calcium Acetate. The indicated result is obtained (it does not exceed 2 ug of aluminum per g of calcium acetate)