Appearance

Colorless or White crystals orCrystalline powder

Identification

Positive

Assay(C2H7NSO3)(on dry basis)

99.0~101.0%

Clarity of solution

Colorless and clear

Residue on ignition

0.1% max

Loss on drying

0.20% max

Heavy Metals(Pb)

10ppm max

As

2ppm max

Chloride(as Cl)

0.011 % max

Sulphate(as SO4)

0.010% max

Ammonium salt (as NH4)

0.02% max

Iron

10ppm max

Chromatographic purity

0.2% max

Total bacteria count

100 cfu/g max

Yeast and molds

10 cfu/g max

E.Coli

Negative in 10g

Salmonella

Negative in 25g

Conclusion: Conformed the JP16/USP32

Package:25kg Fiber Drum