无水亚硫酸钠

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无水亚硫酸钠

【中文名】：无水亚硫酸钠

【英文名】：Anhydrous Sodium Sulfate

【分子式】：Na₂SO₃

【分子量】：126.04

【理化性质】：白色、单斜晶体或粉末。其水溶液呈碱性，PH值约为 9~9.5，在 40℃时，溶解度最高约 37.4g/100g 水，与空气接触被氧化成硫酸钠，遇高温则分解成硫化钠，比重为 2.633 （15.4℃），折光率 1.565。

【执行标准】：HG/T2967-2010

【主要用途】：商品混凝土中作为减水剂，选矿工业中用作还原剂和抑制剂（可抑制闪锌矿和黄铁矿），印染工业作为脱氧剂和漂白剂，用于各种棉织物的煮炼，可防止棉布纤维局部氧化，影响纤维强度。感光工业用作显影剂，有机工业用作间苯二胺，氨基水杨酸等生产的还原剂。纺织工业用作人造纤维稳定剂。还用于造纸、电子、水处理等行业。

【包 装】：25 公斤/塑编袋；1000 公斤/袋。

Anhydrous Sodium Sulfate

【Name】：Anhydrous Sodium Sulfate

【Molecular formula】：Na2SO3

【Molecular weight】：126.04

【Physical Character】：White, monoclinic crystal or powder.Its alkaline aqueous solution, the PH of about 9 ~ 9.5, at 40 ℃, the highest solubility is about 37.4 g / 100 g water, into sodium sulfate, in contact with air oxidation in high temperature is decomposed into sodium sulphide, ratio of 2.633 (15.4 ℃), refractive index of 1.565.

【National Standard】：HG/T2967-2010

【 Application 】：As in commercial concrete water reducing agent, used as a reducing agent and the

inhibitor in mineral processing industry (inhibits sphalerite and pyrite), printing and dyeing industry as deoxidizer and bleach, used for all kinds of cotton fabric scouring, can prevent the partial oxidation of cotton fiber, fiber strength.The photosensitive industry is used as a developer, and the organic industry is used as reducing agent for the production of diphenylenediamine and amino salicylic acid.Textile industry is used as artificial fiber stabilizer.Also used in papermaking, electronic, water treatment and other industries.

【Package】：25Kgs/Plastic woven bags；1000kgs/Bag or as requested.