used as filler of detergent, the making of sodium sulphide, water glass, or used in papermaking, glass, dye and used as filler, dyeing auxiliary, laxative, antidote, t also can be used in fiber, lether, metallurgy, enamel and soap.
|
Item
|
GB6009-2003
I type First grade |
Result of common product
|
Result of neutral product
|
Result of low chlorine product
|
|
Na2SO4
|
≥99.0
|
99.20
|
99.30
|
99.65
|
|
Water insoluble matter %
|
≤0.05
|
0.02
|
0.03
|
0.01
|
|
Ca & Mg %(Mg)
|
≤0.15
|
0.02
|
0.02
|
0.02
|
|
Chloride %(Cl)
|
≤0.35
|
0.19
|
0.20
|
0.04
|
|
(Fe)
|
≤0.002
|
0.001
|
0.001
|
0.001
|
|
Moisture %
|
≤0.20
|
0.02
|
0.02
|
0.02
|
|
Whiteness %
|
≥80
|
88
|
85
|
83
|
|
PH
|
NA
|
NA
|
(1% solution)7.5
|
(5% solution)7.2
|