日韩欧美视频在线,亚洲欧美综合精品久久成人,九一网站日韩精品欧美,真人日比给我看

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

Industrial Ammonium Fluoride

Quality StandardGB28653-2012

Molecular FormulaNH4F                 Molecular Weight37.04

Item

Index

First grade

Qualified product

Ammonium Fluoride (NH4F) w/%  ≥

95.0

93.0

Free Acid(as HF) w/%  ≤

1.0

1.0

Ammonium fluosilicate[as(NH42SIF6]w/% ≤

0.5

1.0

 

Properties
The product is a white powdery 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

中阳县| 时尚| 三都| 天全县| 元阳县| 赞皇县| 乐昌市| 民权县| 光山县| 游戏| 铅山县| 蒙城县| 察哈| 天镇县| 巴东县| 东源县| 谢通门县| 阜宁县| 双鸭山市| 东乡族自治县| 遂宁市| 自治县| 舟曲县| 隆回县| 连云港市| 徐水县| 永昌县| 大港区| 祥云县| 太湖县| 彩票| 深圳市| 育儿| 高唐县| 札达县| 徐州市| 河南省| 乐至县| 东丽区| 常山县| 宾阳县|