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Specifications
Sodium sulfate anhydrous
CAS NO.: 15124-09-1
Molecular Formula: Na2SO4
Assay: Industrial grade
Sodium sulfate anhydrous
CAS NO.: 15124-09-1
Molecular Weight: 142.04
Molecular Formula: Na2SO4
Properties:
Appearance: White monoclinic system crystal or powder.
M. P.: 800° C
Relative Density: 2.7
Solubility: Soluble in 3.6 portion water, insoluble in ethanol.
Specification: GB/T 9853-1988
Usage
1. Used as filler of detergent, the making of sodium sulphide, water glass
2. Used in paper glass making, dyeing
3. Used as filler, dyeing auxiliary, laxative, antidote
4. Used in fiber, lether, metallurgy, enamel and soap
Attention for Storage
1. Should be stored shady, cool and ventilated warehouse
2. Should be stayed away from tinder and heat source
3. Should be separated from acids, avoiding mixting storage
4. Should be equiped with appropriate container to take the leakage in the warehouse
Attention for Transportation
1. Package should be completed and loading stable.
2. Make sure that the containers not leak, collapse, fall and damage during transportation.
3. Avoid mixing transportation with acids, edible chemicals and so on.
4. Avoid solarization, rain and high temperature.
5. Clean the vehicles throughly after finishing transporting.
ITEM
|
STANDARD
|
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
|
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