|Water insoluble matter||0.2%max|
Colorless and transparent crystalline or white granular or powder, odourless and astringent. It is soluble in water, solubility (20 .C)is 15g/100ml,easy to solve in hot water, water solution is colorless, transparent and acidic. It is soluble in diluted acid, glycerin, insoluble in alcohol.
A good nitrogen fertilizer, suitable for general soil and crops, can make the branches and leaves grow vigorously, improve the fruit quality and yield, enhance the resistance of crops to disasters, can be used as base fertilizer, top fertilizer and planting fertilizer.
The primary use of ammonium sulfate is as a fertilizer for alkaline soils. In the soil the ammonium ion is released and forms a small amount of acid, lowering the pH balance of the soil, while contributing essential nitrogen for plant growth. The main disadvantage to the use of ammonium sulfate is its low nitrogen content relative to ammonium nitrate, which elevates transportation costs.