Glass reinforcement, manufacture material of black powder / match / firecrackers for firework, material for fertilizers / glass / glaze and enamel, oxidizing agent, medicine and medical supplies, tooth paste, flesh fixative of meat, additive for sausage / ham and other processed foods, etc.
Name of item
High purity
For industry
For agriculture
For food addictive
Property
Solid
Solid
Solid
Solid
Letter expression
KNO3
KNO3
KNO3
KNO3
Grade
High purity
Technical
Agriculture
Food
Specification
Content
Min 99.9%
Min 99.5%
Min 99.2%
Min 99.5%
Chloride
Max 0.01%
Max 0.03%
Max 0.06%
Max 0.1%
Organic acid
0.006%
0.006%
Insolubility in water
0.1%
0.1%
Sodium
Max 100ppm
Magnesium
Max 0.05ppm
Iron
Max 0.05ppm
Arsenic
Max 4ppm
Lead
Max 2ppm
Mercury
Max 1ppm
Nitrite
Max 20ppm
Nitrogen whole quantity
13%
Water Soluble Kalium
46%
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