1.Description: A White Powder
2.Whiteness: 95% MIN%
3.Solubility: 0.22 gm in 100ml cold water
0.26gm in 100ml 50 in water
4.CO3: 0.018% MAX
5.Cl: 0.04 MAX
6.Fe: 0.01% MAX
7.As: 0.0002% MAX
8.Pb: 0.001% MAX
9.Assay: 99.0 %MIN
10.Loss on drying: between 18.0%and23%
11.200 Mesh Sieve Residue: 0.3% MAX