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(1):Ammonium sulphate(IUPAC-recommended speling;also ammonium sulphate in English),(NH4)2SO4,is an inorganic salt with a number of commercial uses.the most common use is as a soil fertilizer,it contains 20.5% nitrogen as ammonium cations,and 24% sulfur as sulfate anions
| Item | technical Data |
| Appearance | white crystal |
| N | 21%min |
| moisture | 1.0%max |
| Free acid | 0.05%max |
| FE | - |
| AS | 0.0005%max |
| Heavy MataL(PB) | |
| Water Insolubles | - |
| size | - |
| Impotant note:when Ammonium sulphate is used in agriculture,It Is not need to check the content of FE ,AS,heavy metal and water insolubles | |
(2)Specification:
| Molecular formula | (NH4)2SO4 |
| Molecular weight | 132.13 |
| Element composition | IF pure substance,NItrohen content for 21.21%,sulfer content for 24.26% |
| Density | 1.769 g/cm3 |
Decomposition temperature | 235 degrees centigrade |
| CAS NO. | 7783-20-2 |
| H.S code | 310221000 |
| Colour | pure chemitrys of ammonium sulphate are colourless and rhombic crytals Industrial products are white colour,light grey or light yellow or yellowish-brown colour crystal because of different impurities reason |
| Physical property | more easier to dissolve in water and cannot dissolve in alcohol,acetone,ammonia |
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