GB/T20784-2006

Potassium Nitrate tech grade 13-0-46 
Appearance: white crystal,  

Cl:0.1% max, 

K2O:46% min, 
N:13.5% min, 
 Assay:99% min, 
Moisture:0.3% max
Molecular Weight:101.1, 
Molecular Formula: KNO3,
Insoluble matters in water:0.1% max,
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