Yixing Lark Fine Chemical Co., Ltd.
 
Magnesium hydroxide ( National Drug Standard WS-10001-(HD-0539)-2002)
Properties: White powder, insoluble in water, dissolved in dilute acid.
Approval No. : GYZZ H20055074
Quality index: National Drug Standard WS-10001-(HD-0539)-2002
Inspection items
Standard
Properties
White powder
Identification
positive
Loss on ignition
30.0~33.0%
Loss on drying
2.0% MAX
Soluble salt and free alkali
A: Acid consumption
B: residue
2.0ml  MAX
10.0mg MAX
Assay
95.0%MIN
Heavy metal
0.002%  MAX
Ca
1.5%  MAX
Carbonate
Conform
E. coli
Conform
Uses: This product is mainly used in pharmaceutical, as antacid or API.
Specification: Net wt 25kg, plastic bag lined paper-plastic composite bag or cardboard drum.
Storage: sealed tightly.