激情 小说 亚洲 图片 伦,97精品国产97久久久久久免费,人妻丰满精品一区二区a片,国产强伦姧人妻毛片

Welcome to Fujian Yongjing Technology Co., Ltd. the website!

Contact us

Add: 18#, Xin'An Road, Shaowu City, Fujian, China
International Trade Dept.
Tel: +86-599-6655932/6654968
Fax: +86-599-6654591
Home Trade Dept. 
Tel: +86-599-6654866/6654968
Fax: +86-599-6655755
High-purity Chemicals Dept.
Tel: +86-599-6655536/6654968
Fax: +86-599-6655755


Products

Chemical Reagent Ammonium Bifluoride

Quality StandardGB/T 1278-1994

Molecular FormulaNH4HF2                             Molecular Weight57.05

Item

Index

A.R.

C.P.

Ammonium Bifluoride (NH4HF2)   w/%   ≥

98.0

97.0

Ignition residue(Sulfate) w/%   ≤

0.01

0.05

Chloride(Cl) w/%   ≤

0.001

0.005

Sulfate(以SO4計)  w/%   ≤

0.005

0.01

Fluorosilicate(SIF6) w/%   ≤

0.2

0.5

Fe w/%   ≤

0.001

0.005

Heavy metal(Pb)  w/%   ≤

0.002

0.005

Properties
The product is a rhombohedra or flaky crystal. It can deliquesce easily and dissolve easily in water. It can dissolve in alcohol slightly. It can be resolved when it is affected by the heat or it is in hot water. It can corrode glass. It’s poisonous.
Application
The product can be used for glass frosting or extracting rare elements and used as a preservative or a mordant.
Storage
Moisture-proof and sealed preservation is needed.
Transport
It should be treated as inorganic poisonous goods.
Packing
The product is packed in a 25kg polythene plastic bag. Also pack it on consumer requests.

【Back】

Copyright(C)2017,Fujian Yongjing Technology Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice

双鸭山市| 兴安盟| 正阳县| 阿拉善左旗| 东城区| 广德县| 启东市| 读书| 云浮市| 合肥市| 贡嘎县| 鄢陵县| 湖州市| 慈利县| 门源| 鄂尔多斯市| 镇赉县| 崇义县| 雷波县| 乌兰县| 山西省| 旌德县| 喜德县| 玉溪市| 禄丰县| 原平市| 临潭县| 通渭县| 东乡族自治县| 房产| 视频| 定州市| 天柱县| 宁乡县| 凌源市| 中山市| 融水| 长垣县| 杂多县| 江阴市| 岑巩县|