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Potassium sulphate

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1.Chemical Name: Potassium sulfate

2.Molecular Formula: K2SO4

3.Molecular Weight: 174.26

4.CAS: 7778-80-5

5.Character: It is colorless or white crystalline powder. It has bitter taste. Relative density is 2.662. Melting point is 1069℃. Easily soluble in water, insoluble in ethanol and acetone, pH is 5.5-8.5 in 5% aqueous solution.

6.Usage: It is used as fertilizer additives, seasoning and salt substitute.used as cleaning agent in glass industry. Used as bulk laxatives in medical industry.

7.Packing: It is packed with polythene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.

8.Storage and Transport: It should be stored in a dry and ventilative warehouse; kept away form water and moisture during transport; unloaded with care, so as to avoid damage to bags. Furthermore, it should be stored separately from poisonous substances.

 

质量指标

Specification

GB/T 20406-2017

含量(K2SO4)w/%         ≥     

Content(K2SO4)

52.0

水(H2O),w%             ≤

Moisture

1.0

硫(S),w%                ≥

sulfur

17.0

氯(Cl),w%               ≤

chlorine

1.5

游离酸(H2SO4),w%       ≤

Free acid

1.0


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