Sodium Sulphate Anhydrous
Synonyms: Disodium sulfate; sodium sulfate anhydrous; sulfuric acid, disodium salt; sodium sulfate; Speed-dry, sodium sulphate anhydrous
Molecular formula: NA2SO4
CAS NO.: 7757-82-6
EINECS NO. 231-820-9
HS Code: 2833.1100
Specification:
|
ITEM
|
STANDARD
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||
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sodium sulphate %(Na2SO4)
|
99.5 MIN.
|
99.0 MIN.
|
99.0 MIN.
|
|
water insolubles %
|
0.01 MAX.
|
0.05 MAX.
|
0.05 MAX.
|
|
Ca + Mg (as Mg) %
|
0.03 MAX.
|
0.15 MAX.
|
0.15 MAX.
|
|
chlorides %(Cl)
|
0.07 MAX.
|
0.35 MAX.
|
0.35 MAX.
|
|
iron %(Fe)
|
0.002 MAX.
|
0.002 MAX.
|
0.002 MAX.
|
|
moisture %
|
0.20 MAX.
|
0.20 MAX.
|
0.20 MAX.
|
|
whiteness %
|
85 MIN.
|
82 MIN.
|
82 MIN.
|
|
PH-value
|
6-7.5
|
6-8
|
9-11
|
|
Partickle size: Passed through on 100 mesh
|
around 60-65%
|
around 60-65%
|
not required
|
Packing: 50KGs PP bag/1000KGs PP bag.
Used as materials for synthetic detergent, glass, papermaking, inorganic salts, dyestuff, alcohol fibre, tanning, metal smelting, surface treatment and filler industries etc.