久久久黄色片,最近中文字幕高清字幕在线视频,中文字幕三区,国产精品第100页

系統(tǒng)檢測到您還未安裝播放器,點(diǎn)此安裝FLASH播放器
Home Products Industrial grade



Sodium Metabisulfite (Industrial grade):

Molecular formula: Na2S2O5;
The national standard: HG/T 2826-1997;
Appearance: white or slightly yellow crystalline powder;
Packing: In 25kg net plastic lined plastic woven bags, or 1100kg net big bags;
Validity: 6 months from the date of production;

Specifications:

 Project

Indicators 

 Content(Na2S2O5), ω /%

  96.0

 Iron(Fe), ω /%

  0.005

Insoluble matter in water

 pass

 Heavy metal(Pb), ω /%

  0.05

 Arsenic(As), ω /%

  0.0001


Usage:
Used as a mordant dyeing,fabric antichlor after bleaching,paper fiber bleaching agents,chemical medicine by reducing agent and sulfonating agent,non-ferrous metal ore-dressing agent,waste water treatment agent,tanning agent for leather industries,natural rubber coagulant,additiver for building materials.

Recruitment    |    ContactUs

2009 Meizhou Union Chemical Co.,Ltd.     粵ICP備11063888號(hào)    Support:Newthink
景宁| 连平县| 汉中市| 德令哈市| 靖边县| 香格里拉县| 朝阳区| 辽宁省| 托里县| 尼勒克县| 德州市| 贞丰县| 东莞市| 伊川县| 阿城市| 七台河市| 隆回县| 洪雅县| 涟源市| 常宁市| 林甸县| 阿拉善左旗| 潜山县| 黎平县| 葫芦岛市| 宜君县| 宜丰县| 峨山| 闻喜县| 满城县| 延寿县| 循化| 海兴县| 西乡县| 沂南县| 乌兰察布市| 通州市| 沧源| 香格里拉县| 蕉岭县| 天峨县|