少妇我被躁爽到高潮a片,黑人上司粗大拔不出来电影,亚洲 中文字幕 日韩 无码,亚洲人成绝费网站色www吃脚

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

深水埗区| 顺昌县| 申扎县| 开远市| 哈巴河县| 朝阳市| 高青县| 莆田市| 棋牌| 阿克陶县| 本溪| 息烽县| 四会市| 图们市| 清水河县| 静乐县| 遂溪县| 抚顺市| 泉州市| 钟山县| 沙河市| 鄂托克旗| 简阳市| 凭祥市| 南江县| 监利县| 阳城县| 汾阳市| 虹口区| 十堰市| 阿克苏市| 扎赉特旗| 湘西| 长武县| 建水县| 鄱阳县| 饶阳县| 宣威市| 潍坊市| 临西县| 永新县|