亚洲精品国产精品乱码视色-小说区 综合区 首页-又大又粗欧美黑人aaaaa片-熟女少妇精品一区二区

Product Category

Chemistry

Current Location: Home > Products > Chemistry > W

Anhydrous sodium sulfite

Sodium Sulfite, Anhydrous

Molecular formula: Na2SO3

Molecular weight: 126.04

Properties: white crystalline powder

Puirty(Na2SO3), % 97.0
Clarity Test  Pass
Water insoluble substance % ≤ 0.005
Chloride(Cl) % ≤ 0.005
Acidity-sulfite(count by NaHSO3) Pass
Free alkali(count by Na2SO3) % ≤ 0.1
S2O3 % ≤ 0.01
As % ≤ 0.0001
Fe % ≤ 0.0005
Heavy metal (count by Pb) % ≤ 0.001

Contact Us

Address: 1315, No. 29, Lane 26, Hexuan Road, Wanda, Jiangqiao, Shanghai

Factory Name: Shanghai Jinyuan Fine Chemical Factory

Factory Address: Xiaokunshan Town, Songjiang, China       Zip Code: 201106

Sales Tel: +86-21-51098368    Fax: +86-21-52215553

Email (Chemical reagent): chemol@hi2000.com

Email (Metal surface treatment): yangping2046@yahoo.com.cn

URL (Chemical reagent): www.hkmjd.cn

URL (Metal surface treatment): www.shchem.org

 

  • Mobile version
  • Wechat
Copyright(C)2019, Shanghai Guanghua Technology Co.,ltd. All Rights Reserved.
Supported by ChemNet ChinaChemNet Toocle Copyright Notice