Items

Specification

Result

Appearance

White or off-white crystalline powder

Complies

Assay( Dry basis )

≥98.0%

99.29%

Clarity and color of solution

Colorless or slightly yellow clear solution

Complies

Chloride

≤0.018%

0.009%

Sulfate

≤0.017%

0.007%

Thiamine

≤20ppm

3ppm

Loss on drying

≤1.0%

0.27%

Total ash

≤4.0%

0.86%

Heavy Metals

As

≤3.0ppm

1ppm

Pb

≤8.0ppm

1ppm

Cd

≤0.5ppm

Negative

Hg

≤0.5ppm

Negative

Sum

≤20.0ppm

2ppm

Microbiological

Ph.Eur.category 3A

Quality

<1000cfu/g

78cfu/g

Total Plate Count

<100cfu/g

16cfu/g

Yeast&Mold

Negative

Complies

E.Coli.

Negative

Complies