Description
Vitamin C calcium is white or light yellow crystalline powder, odorless, soluble in water, slightly soluble in ethanol, insoluble in ether. Quality standard (GB15809-1995): content??98%; specific rotation [?]20D: +95???F+97??; arsenic (as As)?P10?G10-7; fluoride?P10?G10-6 ; Heavy metal (calculated as Pb)?P10?G10-6.