Item

Standard

Results

Description

White to off whitecrystalline powder

Conforms

Clarity of solution

clear

conformed

Magnesium content

8-10％

8.9％

Arsenic

≤1ppm

<1ppm

Lead

≤1ppm

<1ppm

Mercury

≤1ppm

<1ppm

Loss on drying

≤0.2％

0.09％

Assay

≥99.O％

99.2％

Total plate counmt

≤1000GFU/g

<1OOCFU/g

Moulds+Yeasts

≤1OOCFU/g

<20CFU/g

Escherichia Coli

Negative

Not found

Coliform

Negative

Not found

Salmonella spp．

Negative

Not found

Staphylococcus aureus

Negative

Not found