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Made in China High Cost Performance Factory Price High Quality Food Grade Sodium Sulfite Anhydrous

Made in China High Cost Performance Factory Price High Quality Food Grade Sodium Sulfite Anhydrous

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Product Description

Chemical formula and composition: The chemical formula of industrial grade anhydrous sodium sulfite is that the main component is anhydrous sodium sulfite, and the purity is usually about 96% to 98%.
Appearance: It is a white crystalline or powdered substance.
Solubility: easily soluble in water, solubility in water increases with the increase of temperature.
Density and melting point: the density is about 2.633g/mL (25ºC), the melting point is high, heating to a certain temperature will melt, this property makes it has good stability at room temperature, in the normal storage and use environment is not easy to change shape.

Product Parameters

TEST ITEMS	TEST STANDARD	TEST RESULT
Na₂SO₃	≥97.0%	98.10%
IRON(Fe)	≤0.003%	0.0015%
WATER INSOLUBLE	≤0.02%	0.01%
Na₂CO₃	≤0.10%	0.10%
SULPHATES(SO₄)	≤2.5%	1.0%
CHLORIDE(NaCl)	≤0.10%	0.10%

Application

1)Paper industry: In the papermaking process is an important reagent to decompose the lignin in wood pulp, as a lignin removal agent used to help improve the quality and whiteness of paper, is one of the important pulping methods in the paper industry.
2)Water treatment field: It can be used for the treatment of industrial wastewater such as electroplating wastewater, printing and dyeing wastewater, power plant wastewater and drinking water.
3)Metallurgical mining industry: Used in the metallurgical industry to reduce precious metals such as gold, using its reducibility to reduce gold from compounds. In the mining industry, it can be used as a flotation agent and beneficiation agent for non-ferrous ores to improve the flotation efficiency of ores by changing the properties of the ore surface.
4)Printing and dyeing industry: as a deoxidizer and bleach agent used in the boiling of various cotton fabrics. In the process of cooking, it can prevent the local oxidation of cotton fiber and affect the strength of the fiber, and can improve the whiteness of the boiled material, so that the appearance and quality of the fabric are improved.
5)Chemical industry: In the chemical industry has a variety of uses, can be used as a reducing agent and sulfonation agent.

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