Items

Index

Appreance

White crystalline powder

Clour and Clarity of

aqueous solution

Colourless,clear

Purity (based on C₄H₃NaO₄)

98.0---102.0%

Ph (1.0g/30ml)

3.0---4.0

Arsenic (based on As₂O₃)

≤4ppm

Heavy Metal (based on Pb)

≤20ppm

Loss on drying

≤0.5%

Residue on ignition

(on dry material)

50.5---52.5%

Sulfate (based on SO₄)

≤0.01%

Maleic Acid

≤0.05%

Total number of bacterial colonies

≤10,000cfu/g

Coliforms

≤3PN/g