Test item

USP Standard

Test Result

Appearance

White Crystal Powder

White Crystal Powder

Chloride dry base %

≤ 0.015

0.0008

Content Dry Base

99.2%

Drying Reduction

≤0.25%

0.009%

PH Value (5% Solution)

7.9-8.4

8.05

Sodium Carbonate Content ≤

Pass Test

Pass Test

Ammonia Smell

None

None

Ammonia Salt Content≤

2ppm

0.0

Proportion

≥1.1 g/m

1.36g/ml

Angle of repose ≤

45 C

39 C

Heavy Metal

≤5ppm

Confirms

Arsenic

≤2ppm

Confirms

Fe3O2

≤5ppm

Confirms

Aluminium

≤2ppm

Confirms

Ca,Mg Content

≤0.004%

Confirms

Sulfide Content

≤0.015%

Confirms

Copper Content

≤1ppm

Confirms

Organism Content

≤1ppm

Confirms

Undissolved  Substance

Transparent

Transparent