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CHEMICAL
FORMULA ：NH4Cl M.W.:
53.49
DESCRIPTION: colorless
cubic crystalline,easily dissolved in water,also
in Glycerin and Ammonium(liquid),difficulty
in alcohol ,not in acetone and ether,its solution
shows light acidity ,Density in 1.53(at 17℃),a corruption to black metal and other like metals.
| SPEC |
Pharma. Grade |
Feed Grade |
Electrical grade |
|
ITEMS |
USP-27 |
Yotech Standard |
GB2946-92 |
|
Appearence |
White
crystalline |
White
crystalline |
White
crystalline |
|
Assay
％ |
99.5-100.5％ |
99.5-100.5％ |
99.7-100.5％ |
|
Insoluble substance ％ |
≤0.01％ |
≤0.01％ |
≤0.05％ |
|
NaCl ％ |
≤0.02％ |
≤0.02％ |
≤0.02％ |
|
Residue
on ignition ％ |
≤0.05％ |
≤0.05％ |
≤0.10％ |
|
SO4
％ |
≤0.01％ |
≤0.01％ |
≤0.02％ |
|
Sulphur cyanate ％ |
Pass |
Pass |
Pass |
|
Heavy
mental ％ |
≤0.001％ |
≤0.001％ |
≤0.005％ |
|
Fe
％ |
≤0.0015％ |
≤0.0015％ |
≤0.002％ |
|
As
％ |
≤0.0003％ |
≤0.0003％ |
≤0.0005％ |
|
Loss on drying ％ |
≤0.2％ |
≤0.2％ |
≤0.2％ |
|
PH value |
4.6-6.0 |
4.2-5.8 |
4.0-5.8 |
|
Middle Control Item |
|
White
degree ％ |
95％ |
90％ |
90％ |
|
Permeation
rate 15％ |
99％ |
95％ |
90％ |
|
Particle
size (micron) |
60-150 overpass 95％ |
60-150 overpass 95％ |
60-150 overpass 95％ |
|
Store period
|
12 months |
12 months |
12 months |
|
Provide reference |
|
Produce
technics |
Glycine |
Glycine
|
Recycleing
product |
|
Packing |
25KG fiber drum |
58LB four-story paper bag |
25KG three-story
PE bags |
Remark：We may make special specification according to customer’s requires.
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