韩国产三级三级香港三级日本三级|天天操夭天干性色视频|91拉免费无码 国产在线观看|国产国产人免费观看在线视频|

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

Ferrous sulfate

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

Chemical Name:

Ferrous sulfate

Molecular Formula:

FeSO4·7H2O

Molecular Weight:

278.02

CAS:

7720-78-7

Character:

Gray and turquoise single monoclinic system crystalline powder or granule. Inodorous, taste salty. Easily airslake in dry air, it is easy to oxidize to brown yellow alkalescence ferric sulphate. Soluble in water, insoluble in ethanol.

Uses:

 It is used as nutrition supplement, fruit and vegetable chromogenic reagent.

Packing:

It is packed with plastic bag as 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 dry and ventilative warehouse, kept away form water and moisture during transport, unloaded with care so as to avoid damage to bags. Furthermore, it should be stored separately from poisonous substances.

Quality index:

Quality index

FAO/WHO,1999

Assay (FeSO4·7H2O) ≥%

99.5~104.5

Pb (atomic absorption method) ≤%

0.0002

Hg≤%

0.0001

瓮安县| 金山区| 措美县| 浏阳市| 石嘴山市| 屯门区| 江川县| 景洪市| 集安市| 泉州市| 吴桥县| 双桥区| 宝应县| 桂东县| 瑞安市| 清水县| 阿城市| 城口县| 本溪| 长乐市| 廉江市| 汉川市| 普宁市| 东乡族自治县| 阳江市| 东方市| 大邑县| 原阳县| 平原县| 磴口县| 九龙城区| 紫云| 临沭县| 乌兰浩特市| 东平县| 环江| 韶山市| 图木舒克市| 济南市| 金塔县| 屏东市|