Customization: | Available |
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CAS No.: | 7783-20-2, 7783-20-2 |
Application: | Vegetables, Flowers, Fruit |
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SPECIFICATION | Inspection-Items | Unit | Superior | First Grade | |
Nitrogen Contend | %≥ | 21.0 | 21.0 | ||
Sulphate(as S) | %≥ | 23.0 | 23.0 | ||
Moisture | %≤ | 0.2 | 0.3 | ||
Free Sulfric Acid | %≤ | 0.03 | 0.05 | ||
Fe | %≤ | 0.007 | |||
As | %≤ | 0.00005 | |||
Heavy Metals(as pb) | %≤ | 0.005 | |||
Insoluble Matter in Water | %≤ | 0.01 | |||
Appearance | Crystalline,granular,No Impurities | ||||
PACKAGE | plastic woven bag inner with plastic bag in 25kg/50kg/1000kg/1250kg or accorading to customer's demand | ||||