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الشخص الذي يمكن الاتصال به Mr. jinlang
No. 13 Of East Lane 1, Beijing Middle Road, Hi-tech Zone, Xinshi, Urumqi, Xinjiang, China, Urumqi, Xinjiang Uygur
| 　 | 　 | 　 | 　 | Class 1 | Class 2 | Class 3 | |||
| 　 | 　 | Test items | 　 | Superior grade | A first-rate product | Acceptable product | A first-rate product | Acceptable product | |
| Sodium Sulphide （Na2S） % | ≥ | *0 | *0 | *0 | *0 | *0 | *5 | ||
| Sodium sulfite （Na2SO3） % | ≤ | 2 | ï¼ | ï¼ | ï¼ | ï¼ | ï¼ | ||
| Thiosulfuric acid （Na2S2O3）% | ≤ | 2 | ï¼ | ï¼ | ï¼ | ï¼ | ï¼ | ||
| Iron (Fe) % | ≤ | 0.*3 | 0.*2 | 0.2 | 0.**3 | 0.**5 | 0.*8 | ||
| Sodium carbonate （Na2CO3） % | ≤ | 3.5 | 5 | ï¼ | 2 | 3 | 4 | ||
| Water insoluble matter % | ≤ | 0.2 | 0.4 | 0.8 | 0.*5 | 0.1 | 0.3 | ||
| Industrial sodium sulfide into three categories: one for ordinary sodium sulfide (commonly known as red alkali); Class 2 low iron sodium sulfide (commonly known as the yellow base); three types of high levels of sodium sulfide. | |||||||||
| Packaging: *5kgã€*0kgã€***0kg weaving. | |||||||||
