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Formula:(NH4)2SO4
M.W.:132.13(According to Intermational Atomic Weight in 1995)
The product accords with the National Standard of GB535-95 GB/T19001-2000idt
ISO9001:2000 Standard
Registration number:SC 07 dated 24.08.2001
| Specifications |
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| Some items are superior to the National
Standard |
Super grade |
First grade |
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Nitrogen(N)content(as dry basis)%
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21.0
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21.0
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| Moisture (H2O)% |
0.2 |
0.3 |
| Free acid(H2SO4)% |
0.03 |
0.05 |
| Iron(Fe)% |
0.007 |
- |
| Arsenic(As)% |
0.0005 |
- |
| Insouble matters
in water% |
0.01 |
- |
| Heavy metals(as Pb)% |
0.005 |
- |
Property:White powdered crystals,specific gravity
1.769(20 ),easily absorbs moisture,and forms a cake,easily soluble
in water.It appears strong corrosiveness for steel and iron.It is
reacting with alkalis(causticsoda,lime),and releases ammonia,non-stability
for heats,decomposes gradually at 100
Uses:Mainly used as nitrogenous fertilizer,also used
in chemical industry,dye printing,medicie and leather etc.
Packing:In 50kgs net in PP/PE bag.
Cautions:Keep away from wetness.Store in well-ventilated
dry place.
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