Customization: | Available |
---|---|
CAS No.: | 7783-18-8 |
Formula: | (Nh4)2s2o3 |
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Index name | Liquid |
Content((NH4)2S2O3) w/w %
|
56~60% |
Appearance | colorless transparent Liquid |
N w/w%
|
≥10
|
Sulfur w/w %
|
≥26
|
Ignition Residue %
|
≤0.1
|
Ammonium sulfite %
|
≤1.0
|
Sulfide(S) %
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≤0.0002
|
Density(20ºC)
|
1.300-1.346
|
Insoluble w/w%
|
≤0.02
|
Fe
|
≤0.001%
|
pH (25ºC)
|
8~9
|
Pb
|
No detected
|
Hg
|
No detected
|
Cd | No detected |
As
|
0.12ppm
|
Cr
|
0.09ppm
|
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