1,ammonium sulfate:N 20.5%MIN WATER 1%MAX
2,Appearance:white powder
3,Use:for agriculture use
4.CAS No.: 7783-20-2
Specification
Item | Index unit:% | ||
High class | First class | Qualified class | |
Apperance | White granule,free from mechanical impurities | Free from mechanical impurities | free from visible mechanical impurities |
Nitrogen(N, as dry basis) more than | 21.0 | 21.0 | 20.5 |
Moisture(H2O) less than | 0.2 | 0.3 | 1.0 |
Free acid(H2SO4)less than | 0.03 | 0.05 | 0.20 |
Iron(Fe) less than | 0.007 | — | — |
Arsenic(As) less than | 0.00005 | — | — |
Heavy metal(As Pb)*less than | 0.005 | — | — |
Water insolubles *less than | 0.01 | — | — |
Properties: White or off-white powder, easily soluble in water. Aqueous solution appears acid. Insoluble in alcohol, acetone and ammonia, Easily deliquescent in the air.
Usage: Nitrogenous in agricultural industry, the raw material of chemistry industry; textiles; Pharmaceutical industry and leather industry etc.
Packing: 50 kgs net in plastic woven bag with PE liner
