Soda Ash Light
Caustic Soda
Appearance: white powder or flakes
CAS No.: 1310-73-2
H.S. No.:28151100
UN No.:1823
Packing: 25/50kgs per bag
Usage: as the basic chemical material, widely used in the chemical , metallurgy, paper-making , oil, textile, and domestic chemical industry
Item
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Index
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Mercury Process
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Causticizing Process
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Diaphragm Process
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Superior quality
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First grade
|
Acceptable part
|
Superiorquality
|
First grade
|
Acceptable part
|
Superior quality
|
First grade
|
Acceptable part
|
|
NaOH≥
|
99.5
|
99.5
|
99.0
|
97.0
|
97.0
|
96.0
|
96.0
|
96.0
|
95.0
|
NaCO3≤
|
0.40
|
0.45
|
0.90
|
1.5
|
1.7
|
2.5
|
1.3
|
1.4
|
1.6
|
NaCl≤
|
0.06
|
0.08
|
0.15
|
1.1
|
1.2
|
1.4
|
2.7
|
2.8
|
3.2
|
Fe2O3≤
|
0.003
|
0.004
|
0.005
|
0.008
|
0.01
|
0.01
|
0.008
|
0.01
|
0.02
|
Ca/Mg≤
|
0.01
|
0.02
|
0.03
|
|
|
|
|
|
|
SiO2≤
|
0.02
|
0.03
|
0.04
|
0.50
|
0.55
|
0.60
|
|
|
|
Hg≤
|
0.005
|
0.005
|
0.0015
|
|
|
|
|
|
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