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Personne à contacter Mr. jinlang
No. 13 Of East Lane 1, Beijing Middle Road, Hi-tech Zone, Xinshi, Urumqi, Xinjiang, China, Urumqi, Xinjiang Uygur
| Test items | Food-grade | High-purity grade | Industrial-grade | |||
| Sodium sulfite (Na2SO3) % | ≥ | *7 | *8 | *7 | ||
| Iron Fe % | ≤ | 0.**1 | 0.**1 | 0.**3 | ||
| Free Alkali (Na2CO3) % | ≤ | 0.4 | 0.*5 | 0.1 | ||
| Lead Pb % | ≤ | 0.***5 | 0.***1 | *- | ||
| Arsenic As % | ≤ | 0.***2 | 0.***1 | *- | ||
| Definition | 　 | Clarification | Clarification | *- | ||
| Water insoluble matter % | ≤ | *- | *- | 0.*2 | ||
| Sulfate (Na2SO4 ) % | ≤ | *- | *- | 2.5 | ||
| Chloride (NaCl) % | ≤ | *- | *- | 0.1 | ||
| Packaging: *5kgã€*0kgã€***0kg Weaving. | ||||||
