日韩久久久久无码_超碰人人在线观看_久久99国产精品久久99_久久精品囯产精品亚洲

Molecular formula: NH₄CL
Molecular weight: 53.49
Executive standard: ZGB21008-90

Properties: it is colorless isometric crystal. Appearance: white granular crystal. Easily soluble in water, and the aqueous solution is weak alkaline.

Use: agricultural ammonium chloride is a kinds of nitrogen fertilizer, with nitrogen content above 25%. It is suitable to neutral and calcareous soil, and can greatly increase output of paddy, maize, wheat, cotton, millet, rape and hemp, etc.

Quality standard:

Packing, transportation & storage: It is packed in plasitc woven bag lined with plastic bag or coated with plastic film inside. Net weight: 25kg or 50kg/bag. The package should be brushed with firm mark of "Prevent from heat and moistrue". It should be stored in cool, shady, dry and ventilated warehouses. Prevent it from moisture. Don't transport it together with acid or alkali. During transporation, please prevent it from rain and insolation. Please handle it with care, and protect its package form breakage. If it catches fire, you may put it out with water, sand or carbon dioxide extinguisher.

Safety: it is high corrosive, so avoid contact it with skin. The operators should wear work clothes, mouth mask and latex gloves, etc. The prodution equipment should be well sealed. The production shop should be well ventilated.