CAS No.: | 7783-18-8 |
---|---|
Formula: | (Nh4)2s2o3 |
EINECS: | 231-982-0 |
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Commodity
|
Ammonium Thiosulfate Solution
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Standard
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GB/T 20433-2006/1SO 3619:1994
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Quantity
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26tons
|
Packing:
|
IBC drum
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Sample Date
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2023.03.8
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Analysis Date
|
2023.03.8
|
Batch no.
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2023030801
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Date of expiry
|
2024.03.7
|
Items
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Index
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Result
|
|
Appearance
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Colorless clear liquid
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Colorless clear liquid
|
|
Assay,%
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59.0±0.5
|
59
|
|
Sulfite,%
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≤1.0
|
0.30
|
|
Alkalinity,meq/g
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0.1-0.66
|
0.34
|
|
Color(Pt-Co Scale)
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15 max
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<5
|
|
Density at 20°C degrees C
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1.310-1.339
|
1.327
|
|
insoluble,%
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≤0.2
|
<0.2
|
|
Sulfide as S,%
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≤0.0002
|
<0.0002
|
|
Residue on ignition,%
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≤0.1
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<0.03
|
|
Heavy metal as Pb,%
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≤0.001
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<0.001
|
|
Iron,%
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≤0.00025
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<0.00003
|
|
conclusion
|
qualified
|