Sodium Sulphate Anhydrous
CAS No.: 7757-82-6
Chemical Name: Anhydrous sodium sulphate (Na
2SO
4)
Properties: white fine crystal or powder, easily soluble in water; absorb moisture; odorless, non-toxic.
Quality Standard: GB/T6009-2003
Item |
GB6009-2003 Class I first quality |
Regular Products |
Neutral Products |
Low-Chlorine Products |
Sodium Sulphate %(Na2SO4) |
≥99.0 |
99.20 |
99.30 |
99.65 |
Water Insoluble % |
≤0.05 |
0.02 |
0.03 |
0.01 |
Mg % |
≤0.15 |
0.02 |
0.02 |
0.02 |
Chlorides %(Cl) |
≤0.35 |
0.19 |
0.20 |
0.04 |
Iron %(Fe) |
≤0.002 |
0.001 |
0.001 |
0.001 |
Moisture % |
≤0.20 |
0.02 |
0.02 |
0.02 |
Whiteness % |
≥80 |
88 |
85 |
83 |
PH-Value |
Not Required |
Not Required |
7.5 (1% solution) |
7.2 (5% solution) |
Use: widely used in vinylon, sodium silicate, bleaching, glass, paper making, tanning, metal smelting, surface treatment and filler industries.
Packing: 25/50k PP woven bag with PE liner inside, or in FIBC.