Ammonium sulphate (NH4)2SO4, is an inorganic salt with a number of commercial uses. The most common use is as a soil fertilizer, Nitrogent Fertilizer. It has a high nitrogen (N) content and cheap price. White or off-white crystal, easily soluble in water. Aqueous solution appears acid. Insoluble in alcohol, and ammonia, Easily deliquescent in the air. It contains 21% nitrogen and 24% sulfur.
Item |
Technical Data |
Appearance |
White Crystalr |
N |
21.0%min |
Water |
1.0%max |
Free acid |
0.03%max |
Fe |
0.007%max |
As |
0.00005%max |
Heavy metal(Pb) |
0.005%max |
Water insolubles |
0.01%max |
Note: When ammonium sulphate is used in agriculture,it is not necessary to check the content of Fe,As,heavy metal and water insolubles. |
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