Customization: | Available |
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CAS No.: | 7757-83-7 |
Formula: | Na2so3 |
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Audited by an independent third-party inspection agency
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.
Items | Standards | Analysis Result |
Sodium Sulphite(Na2SO3) | 93%+/-1% | 94 |
Moisture Content | <1% | 0.7 |
Potassium | <3000 ppm | 2541 |
Sulphates | <1% | 0.8 |
Chloride | <300 ppm | 270 |
Aluminium | <4 ppm | 1 |
Boron | <4 ppm | 2 |
Calcium | <35 ppm | 30 |
Chromium | <3 ppm | 1 |
Iron | <28 ppm | 21 |
Magnesium | <100 ppm | 78 |
Phosphorous | <8 ppm | 4 |
Silicon | <43 ppm | 31 |
Zinc | <5 ppm | 1 |
Items | Standards | Analysis Result |
Appearance | White Granular Powder | |
Na2SO3 % Min | 95 | 95.80 |
Fe Max ppm | 100 | 20 |
Na2CO3 % Max | 0.6 | 0.31 |
AS Max ppm | 3 | 2.5 |
Pb Max ppm | 2 | 1.5 |
Se Max ppm | 20 | 10 |
Items | Standards | Analysis Result |
Appearance | White Powder | |
Na2SO3 % Min | 97 | 97.8 |
Fe Max ppm | 20 | 17 |
Na2CO3 % Max | 0.6 | 0.31 |
AS Max ppm | 3 | 2.1 |
Pb Max ppm | 2 | 1.6 |
Se Max ppm | 20 | 11 |
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.
Product StorageStored in a cool, ventilated warehouse. Away from fire and heat. Acids, etc. should be kept separately, avoid
mixed reserve.
Product Packing
Packaging Detail: |
1000kg/50kg/25kg plastic woven bag.27MT/20FCL. |
Delivery Detail: |
within 15 days after getting TT or L/C. |
1. Purity: 99%
2. Direct factory price
3.OEM experience,Supply 5000T/Month
4.CIQ item,SGS quality certificate,ISO