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  • Company Name : Tianjin Oriental International Trading Co., Ltd.
  • Tel : 86-22-25281518
  • Fax : 86-22-25281517
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Ammonium sulphate 21%min

Ammonium sulphate 21%min
Product Detailed
Related Categories:Other Inorganic Chemicals
agricultural grade purity: 21%min white powder Ammonium sulphate industrial gradeAmmonium sulphate 21%tech garde 21%(AS/SOA)

Molecular Formula:(NH4)2SO4, Molecular Weight:132.13,

Appearance: white crystals, N: 21% min;

Free acid as H2SO4:0.03% max,Moisture:0.3% max,

Packing:50kgs plastic woven bag,27mts/20'FCL

Application: Used for chemical fertilizers and for production of complex fertilizers,potassium sulphate,ammonium chloride and ammonium persulpate,ect. Also can be used for food processing,textile industry,medical industry and leather processing.

Storage and transportation: Stored in cool,dry and ventilated warehouse. It must not be put together with Alkali stuffs,such as lime,cement,etc.Do not expose it to sunlight and rain during transportation .Do not damage the packing bags.

Technical specifications of Ammonium Sulphate( 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),%       ≥

21.0

21.0

20.5

Water content(H2O),%         

0.2

0.3

1.0

Free acid(H2SO4)content,%    ≤

0.03

0.05

0.20

Fe content, %                 ≤

0.007

-

-

As content,%                  ≤

0.00005

-

-

Heavy metal(Pb)content,%    ≤

0.005

-

-

Water insolubles,%            ≤

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 insolubles.

Ammonium sulphate 21%min



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