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Caprolactam Grade Ammonium Sulphate(Small crystal 0.1-1.4mm after sieving)

Industrial ammonium sulphate is white or light grey crystal. Relative density D=1.769,235℃ decomposition. It is hydroscopic, and apt to dissolve in water(not in alcohol or acetone),and it will become solid blocks when absorbing moisture. The aqueous solution is alkalinous. It reacts with alkali to release ammonia gas.
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Ammonium Sulphate

CAS NO.:7783-20-2

EINECS NO.:231-984-1

H.S.Code:31022100

Molecular formula:(NH4)2SO4

 

Features:

Industrial ammonium sulphate is white or light grey crystal. Relative density D=1.769,235℃ decomposition. It is hydroscopic, and apt to dissolve in water(not in alcohol or acetone),and it will become solid blocks when absorbing moisture. The aqueous solution is alkalinous. It reacts with alkali to release ammonia gas.

 

Application:

Used for chemical fertilizers and for production of complex fertilizers, Suitable for all kinds of soil and crops. Also can be used for food processing, textile industry, medical industry, leather processing, yeast fermentation etc.

 

Package:

Multi-layer bag (outer bag plastic woven bag, inner bag polyethylene film bag) or composite plastic woven bag (plastic woven cloth/film) packaging 25KG/50KG, or ton package, can be customized according to customer requirements

 

Storage and transportation:

It can be transported by vehicles such as cars, trains, ships, etc. During the transportation process, it should be protected from moisture and packaging bags. It should be stored in a flat, cool, ventilated and dry warehouse. It is strictly forbidden to contact with lime, cement and other alkaline substances or store it in the same warehouse. The stacking height of the package should be less than 7m.

 

Product Classification:

Caprolactam grade ammonium sulfate: a by-product of caprolactam.

Quality standard: nitrogen content-≥21%; moisture-≤0.5%; free acid-≤0.08%; sulfur content-≥23%

Quality standards: nitrogen content-≥20.5%; moisture-≤1%; free acid-≤0.03%;

Iron content-≤0.007%; Arsenic content-≤0.0005%;

Heavy metals-≤ 0.005%; Water insolubles-≤ 0.01%.

Technical specifications (implement of national standard GB535-1995)

 

Item

Supreme grade

First grade

Qualified grade

Appearance

White crystal, no visible mechanical impurity

no visible mechanical impurity

no visible mechanical impurity

N content(dry basis),% ≥

21

21

20.5

Water content(H2O),% ≤

0.2

0.3

1

Free acid(H2SO4)content,% ≤

0.03

0.05

0.2

Fe content, % ≤

0.007

/

/

As content,% ≤

0.00005

/

/

Heavy metal(Pb)content,% ≤

0.005

/

/

Water insoluble,% ≤

0.01

/

/

Note: When ammonium sulphate is used in agriculture, it is not necessary to check the content of Fe, As, heavy metal and water insoluble . Package in 25kg/bag, 50kg/bag, 1000kg/bag, 1200kg/bag, 1250kg/bag

 
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