产品描述

Exterior:White or a slightly yellow crystalline pellet or powder White,odorless,crystalline powder or granules Assay ＞98.0% 98.0%-100.5% Specific Rotation +95.5°~+98.0° +95.5°~+98.0° Clarity Up to STANDARD Up to STANDARD PH 5.5-8.0 5.5-8.0 Heavy Metal(Pb) ＜0.002% ＜0.001% Lead ---- ＜0.0005% Arsenic ＜0.0003% ＜0.0003% Oxalatc Up to STANDARD Up to STANDARD Indentification ----- Passed test Loss on drying ------ =<0.25%