China Sodium Sulphite 7757-83-7 Sodium Sulfite Sodium Sulphite, Find details about China Sodyum Sulfit Na2so3, Sodium Sulfite Anhydrous from Sodium Sulphite 7757-83-7 Sodium Sulfite Sodium Sulphite
Item | I | II |
Na2SO3% | 90 Min. | 92.0 Min. |
Fe % | 0.02 Max. | 0.02 Max. |
Water insoluble material % | 0.05 Max. | 0.05 Max. |
Free alkali (by sodium carbonate) % | 0.8 Max. | 0.80 Max. |