Potassium Nitrate
Appearance: white crystal powder or granular
Agriculture grade application:
1. Used as base fertilizer on vegetbales, mainly for hole application,furrow application and drip irrigation.
2. Application to fruit trees and perennial plants.
Tech grade application:
1. Widely used in strengthening gladd manufacturing process.
2. It is the raw material for making black gunpowderm ,fireworks, matachs and ceramic glaze.
3. In food industry as preserving agent and color protecting.
Specification: GB 1918-1998
|
Item |
Agricultural grade standard |
Technical grade standard |
|
Potassium Nitrate(KNO3) |
99.00% min |
99.4% min |
|
K2O |
46% min |
46% min |
|
N |
13% min |
13.5% min |
|
Chloride |
0.2% max |
0.01%max |
|
Free water |
0.5% max |
0.1% max |
|
Fe |
-- |
0.003% max |
|
Sulphate as SO4 |
-- |
0.01% max |
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