Items

Test Standard

Test Results

Characteristics

white crystalline powder,odorless

white crystalline powder,odorless

Identification

Positive

Positive

Clarity and color of solution

Clear and colorless

Pass test

Chlorie

0.011%max

≤0.011%

Sulphate

0.014%max

≤0.014%

Ammonium Salt

0.02%max

≤0.02%

Heavy metals

20ppm max

≤20ppm

Arsenic

2ppm max

≤2ppm

Easily carbonizable substances

No color develops

Colorless

Loss on drying

0.2%(105℃,2hours)max

0.15%

Residue on ignition

0.1%max

0.04%

Assay(anhydrous)

98.5%min

99.4%

Total Plate count

NMT1000/g

Positive

Mold

NMT100/g

Positive

Yeast

NMT100/g

Positive

Coliforms

Negative

Not found