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Magnesium hydroxide

Molecular formula

Mg(OH)₂

Molecular weight

58.34

CAS NO

1309-42-8

Characters

White amorphism powder

Use

Used in pharmaceutical and refining for sugar.

Specification

Analytically pure , chemically pure

Executive standard

Enterprise standard

Technical index

Name	Analytically pure (%)	Chemically pure(%)
Content	≥98.0	≥98.0
Unsolvable in hydrochloric acid	≤0.03	≤0.1
Water soluble matter	≤0.5	—
loss on drying	≤2	≤2
Ignition loss	30～33	30～33
Chloride(Cl)	≤0.02	≤0.05
Nitrate(NO₃)	≤0.005	≤0.01
Sulfate(SO₄)	≤0.02	≤0.2
Calcium(Ca)	≤0.05	—
Ferrum(Fe)	≤0.002	≤0.01
Heavy metal(Pb)	≤0.005	≤0.01

Packing

500kg for bottle packing, 40kg for pail packing, 25kg for paper plastic packing.

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