日b的视频,亚洲成人欧美,欧美日韩激情在线,美女狠狠干,久在线,亚洲午夜小视频,国产精品久久久久久久久久久久

系統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    Support:Newthink
亳州市| 威远县| 奉贤区| 基隆市| 盐山县| 芮城县| 福海县| 通化县| 长兴县| 汶川县| 尚义县| 襄垣县| 昌吉市| 宾阳县| 孝感市| 固安县| 措勤县| 乌拉特中旗| 鄂托克前旗| 邓州市| 商河县| 隆子县| 文成县| 尖扎县| 清新县| 祥云县| 琼结县| 吉安县| 疏勒县| 温宿县| 永昌县| 肥乡县| 丹江口市| 嘉善县| 湘潭市| 香港| 剑河县| 东安县| 青神县| 延安市| 永顺县|