|
Item |
national standard |
Enterprise constant value |
|
GB1894-2005 |
||
|
(Na2SO3)/% |
≥96.0 |
≥97.0 |
|
(Fe)/% |
≤0.01 |
≤0.001 |
|
(Na2CO3)/% |
≤0.60 |
≤0.4 |
|
(Pb)/% |
≤0.001 |
≤0.0005 |
|
(As content)/% |
≤0.0002 |
≤0.0002 |
|
Clarity |
Through experiment |
Through experiment |
Molecular formula:Na2SO3
Molecular weight: 126.04
Appearance: white crystalline powder
Packaging: external polypropylene woven bag, paper plastic composite bag, kraft paper bag, lined with polyethylene plastic bag.
Net weight: 25, 50, 1000 kg/bag or customized according to customer requirements.
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