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potassium sulphate pharm grade
发布日期:2018/12/29 阅读次数:[9]

1.Chemical Name: Potassium Sulfate

2.Molecular Formula : K2SO4

3.Molecular Weight: 174.26

4.CAS: 7778-80-5

5.Character: It occurs as colorless or white hard crystal or as crystalline powder. It tastes bitter and salty. Relative density is 2.662. 1g dissolves in about 8.5mL of water. It’s insoluble in ethanol and acetone. The pH of 5% aqueous solution is about 5.5 to 8.5.

 6.Usage: It is used as seasoning and salt substitute.

 7.Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as 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 from heat and moisture during transportation, unloaded with care so as to avoid damage.     Furthermore, it must be stored separately from poisonous substances.

ITEM INDEX RESULT TEST STANDARD CONCLUSION
K2SO4( AS PER SO4) W/% ≥ 99.0 99.45 As per customer require Pass
K2SO4( AS PER K) W/% ≥ 99.0 99.25 As per customer require Pass
Moisture w/%≤ 1.0 0.15 As per customer require Pass
Water Insoluble w/%≤ 0.1 0.02 As per customer require Pass
Ph 6.0-8.0 7.25 As per customer require Pass
Acidity w/% 0.01 0.003 As per customer require Pass
Alkalinity w/% 0.03 0.015 As per customer require Pass
Chloride(as potassium chloride w/%≤ 0.02 <0.02 As per customer require Pass
Grit Pass test Pass test As per customer require Pass
Mesh size 100% pass through US Sieve No.50

5% max Retained on US Sieve no.70

Pass test As per customer require Pass

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