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Specification of the Anhydrous Sodium Sulfite
1,Molecular formula : Na2SO3
2,Molecular weight : 126.04
3,Appearance : white crystalline powder
4,Main content :97%,96%,93%5,Competitive price,
6,Pass ISO, producing under strict inspection
6,Annuual production:20,000mt
Quality standard : Q/320124JM02-2003
| Index name | Premium grade | |||
| Super grade | First grade | Salable product | Industrial grade | |
| Sodium sulfite ( Na2SO3 ) , % ≥ | 97.0 | 96.0 | 93.0 | 90.0 |
| Fe , ?≤ | 0.003 | 0.005 | 0.01 | / |
| Water insoluble matter , % ≤ | 0.02 | 0.03 | 0.05 | / |
| Free Alkali ( as Na2SO3 ) , % ≤ | 0.10 | 0.40 | 0.60 | / |
| Na2SO4 , % ≤ | 1.10 | / | / | / |
| NaCl , % ≤ | 0.08 | / | / | / |
Usage
1, Paper-making industry
2, Leather industry
3, Bleaching
4, Tannage and food
5, Dyeing and painting industry
Package Storage and transportation:1, Double-layer plastic woven bag. Net weight per bag: 25Kg or 50Kg.2, Not allowed in a room with any oxidant or strong acid3, Keep away from an oxidation by air or humidity.4, Keep away from sunlight and humidity during its transportation.5, Storage life: no more than half year from ex-factory date.
***For more information, please do not hesitate to contact Ms. Kerry Xiao(0086-13762006068) Hunan Yueyang Sanxiang Chemical Co.,Ltd.
Super grade of Anhydrous Sodium Sulfite(AS095)