91视频在线观看免费视频-91视频在线观看完整版-91视频在线看-91视频在线免费观看-91视视频国内精品专区2-91手机福利在线

Contact Us
Search
Your Position: Home > Product > Other products

Magnesium carbonate

Update: 2013/10/14 View:
  •    
      Order Online   Add to favorites
Introduction
 

Chemical Name:

Magnesium carbonate , Basic Magnesium carbonate

Molecular Formula:

xMgCO3·yMg(OH) 2·nH2O

CAS:

39409-82-0

Character:

 In normal temperature, it’s with three hydrates. Light one is white, easily fragile or loose white powder. Odorless. Relative density is 2.2. Melting point is 350. It’s stable in the air. When heated to 700, it will become magnesium oxide. It’s hardly soluble in water, but it’ll bring a slight alkaline reaction. It can not be soluble in ethanol but it could be soluble in olefine acid with sparkling.

Uses:

 It’s used as drier, color ficatives, anticaking agent, carrier, swelling agent, acidity regulator.

Packing:

It is packed with polythene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.

Storage & Transportation:

It should be stored in a dark, dry and ventilative warehouse, kept away from water and moisture; unloaded with care to avoid damage. Furthermore, it must be stored separately from poisonous substances.

Quality index:

Quality index

GB 25587-2010

FCC-V

Assay(MgO)%

40.0-44.0

40.0-43.5

Acid insoluble matter≤%

0.05

0.05

Heavy Metal (Pb) ≤%

0.001

0.002

Calcium oxide≤%

0.6

0.6

Soluble salt≤%

1.0

1.0

Pb≤%

---

0.001

As≤%

0.0003

---

主站蜘蛛池模板: 香港三日本三级人妇三级99 | 影视网址 | 国产肥熟老胖女在线看 | 岳妇伦丰满69xx | 欧美日韩国产免费一区在线观看 | 国产日产欧产精品浪潮使用方法 | 日韩亚洲欧美高清在线观看 | 偷偷要色偷偷网站视频 | 中文字幕综 | 国产精品综合一区二区 | 48国产| 国产精品乱码一区二 | 日本在线视频高清不卡 | 国产精品视频害羞初高中 | 欧美国产日韩在线播放成人 | 国产日本卡二 | 欧美国产性爱大片 | 日韩午夜免费不卡视频 | 91成人在| 97伦理电影在线不卡 | 中文字幕精品视频在线观看 | 国产日韩精品欧美一区喷 | 中文字幕亚洲无线码一区女同 | 国产一级精品视频 | 久你欧洲野花视频欧洲1 | 五月丁香六月综合 | 欧美日韩国产综合在线小说 | 91精品隔壁老王在线观 | 91偷拍精品一 | 欧洲不卡二卡三卡四卡免费 | 91最新欧美日韩 | 中文字幕免费在线观看 | 国产欧美亚洲一区二区三区四区 | 最新电影电 | 国产精品v欧美精品v日韩 | 成人乱码一区 | 老女肥女熟国产在线视频网址 | 老太xxxx下面毛茸茸 | 欧洲精品色| 亚洲国产一区二区试看 | 91网红精品 |