Performance: colorless cubic crystal or white crystal with salt vapor and light bitter; relative density1.527; begin to sublimate at 350℃; boiling point is 520℃; easily soluble in water, soluble in liquid ammonia; light soluble in alcohol, insoluble in acetone and diethyl ether. Its aqueous solution is faintly acid. It has corrosion on black metal and other metal, especially on copper and has no corrosion on cast iron.
Packing: out weave bag, inner plastic bag, net weight 25／50KG.
Protection: Please do not contact with skin. Permitted smog concentration is 10g/m³. Please wear work cloth, respirator and latex gloves.
Storage and transportation: it should be stored in cool, ventilated and dry warehouse to avoid moisture. Please do not contact with acid material. Pay attention to rainfall and direct sunlight in transportation. Be careful in assemble process. Please use water, soil and carbon dioxide extinguisher to put out fire.
Use: it is mainly used for mineral separation, agricultural fertilizer, dyeing auxiliary, electroplating bath annexing agent, metal welding cosolvent. It is also used in the production of dry battery and storage battery and other ammonium salt.
|
Index Name |
Unit |
dry basis |
wet basis |
granularity |
|
nitrogen content |
%≧ |
22.5% |
22.5% |
22.5% |
|
moisture |
%≦ |
1.00% |
6.00% |
4.0% |
|
potassium oxide |
%≦ |
3.00% |
3.00% |
3.0% |
|
particle size |
MM |
|
|
2×4×6 |