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Detail

Potassium Nitrate

Product name: Potassium Nitrate  
Molecular formula: KNO
Molecular weight: 101.1 
CAS NO.:7757-79-1
HS CODE: 28342190
UN NO.: 1486   5.1 type oxidizing agent 
Properties and uses: Colorless transparent orthorhombic or rhombic crystal or white powder. Easily soluble in water, soluble in liquid ammonia and glycerin, insoluble in absolute ethyl alcohol and diethyl ether. It can cause combustion or explosion in contact with reducing agent carbon, sulfur, titanium and other metal powders.
It is mainly used in producing purple flame, black powder; metal heat treatment salt bath; lamp glass, optical glass; agricultural fertilizer.

Standard: GB1918-98

Main indicators Unit Superior grade Industrial grade Agricultural grade Ceramic grade
Assay %>= 99.8 99.4 99 96
Moisture %<= 0.10 0.10 0.10 0.10
Chloride %<= 0.02 0.03 0.03 0.08
Water insoluble matter %<= 0.01 0.01 0.02 0.15
Sulfate %<= 0.02 0.02 - -
Iron %<= 0.003 0.01 - 0.003
Potassium oxide %>= - - 46.0 44
Nitrogen %>= - - 13.5 13.5
Sodium %<= - - - 0.007
Sodium oxide %<= - - - 0.01

Packing: 25/50kg woven bag lined with plastic, or according to the customer's requirements.

 





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