|
Item |
quality standard |
||
|
HG/T 2967-2000 |
|||
|
Premium |
First Grade |
Qualified products |
|
|
sodium sulfite (Na2SO3),% |
≥97.0 |
≥96.0 |
≥93.0 |
|
(Fe),% |
≤0.003 |
≤0.005 |
≤0.02 |
|
Water insoluble content,% |
≤0.02 |
≤0.03 |
≤0.05 |
|
Free alkali(Na2CO3),% |
≤0.10 |
≤0.40 |
≤0.80 |
|
sulfate(Na2SO4),% |
≤2.5 |
— |
— |
|
chloride(NaCl),% |
≤0.10 |
— |
— |
Packaging: external polypropylene woven bag, lined polyethylene plastic bag, paper plastic composite bag, kraft paper bag, etc.
Net weight: 25, 50, 1000 kg/bag or customized according to customer requirements.
Contact us
Address: Xinlizhuang, Luancheng District, Shijiazhuang Contact: Ren Manager Tel：+86-13603311335
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