| Customization: | Available |
|---|---|
| CAS No.: | 7757-83-7 |
| Formula: | Na2so3 |
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1.Appearance: White Powder
2.Purity: % 99min
3.PH :7-10 for Normal grade. PH:6-8 for viscose grade.
4.Properties: white fine crystal or powder,
easily soluble in water;absorb moisture; odorless, non-toxic.
| ITEM | SPECIFICATION | TEST RESULT |
| Na2SO3 content : | 97.0 %min | 97.56% |
| Sodium sulphate : | 2.5%max | 1.30% |
| Sodium chloride (NaCL): | 0.1%max | 0.08% |
| Iron (Fe) : | 30ppm max | 15ppm |
| Water insoluble : | 0.02%max | 0.02% |
| HEAVY METAL AS PB | 10ppm max | 5ppm |
| Free alkali (as Na2CO3) : | 0.10%max | 0.08% |
| Arsenic: | 2ppm max | 1.5ppm |
Stored in a cool, ventilated warehouse. Away from fire and heat. Acids, etc. should be kept separately, avoid
mixed reserve.
Usage:
widely used in bleaching, glass, paper making, tanning, metal smelting, surface treatment and filler industries.
It is aslo Used in chemical industry as material of manufaturing sodium sulphide,sodium silicate and other
chemical products.
We Fondland Chemicals Co., Ltd (hereafter referred as FONDLAND) established in 2010, are the leading manufacturer and supplier of Chemicals.FONDLAND founded relying on Shandong Haihua Group with strongest supplying capability and competitive price. Our products were sold to most of the world, including Middle East, Africa, Southeast Asia, North America, South America , Europe etc.
Our mainly products:Sodium carbonate,Sodium bicarbonate,Ammonium bicarbonate,Aluminum sulfate,Calcium chloride,Magnesium chloride,Sodium metabisulfite,Sodium nitrite and so on.
With the aim of supplying best quality, prompt delivery, competitive price and professional service,
we are looking forward to cooperating with you for a bright future!
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