国产高清一区二区精品-日本道精品一区二区三区-精品少妇午夜福利视频-亚洲午夜av福利精品

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

Reagent Grade Hydrofluoric Acid

Quality StandardGB620-2011

Molecular FormulaHF                             Molecular Weight20.01

Item

Index

G.R.

A.R.

C.P.

Hydrogen fluoride(HF)  w/%  ≥

40.0

40.0

40.0

Ignition Residue(sulfate) w/%   ≤

0.001

0.002

0.001

Chloride Content(Cl)  w/%   ≤

0.0005

0.001

0.005

Sulfate and Sulfite(SO4) w/%   ≤

0.001

0.002

0.005

Phosphate(PO4) w/%   ≤

0.0001

0.0002

0.0005

Fluorosilicate(SiF6) w/%  ≤

0.02

0.04

0.06

Fe  w/%  ≤

0.00005

0.0001

0.00005

Heavy metal(Pb) w/%  ≤

0.0001

0.0005

0.001

Properties
The product is a colorless and transparent soluble. It has a strongly pungent odor and a strong toxicity. It is very corrosive.
Application
The product is used in chemical industry,atomic energy industry chemical reagent and electronics cleaning.
Storage
The product should be stored in a storehouse with good ventilation.
Transport
It should be treated as Grade A inorganic acid corrosive goods during its transport. Avoid heating or getting wet in the rain. Slightly load and unload. Avoid striking.
Packing
The product is filled in a 25kg polythene plastic drum. Also fill it on consumer requests.

【Back】

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

日本韩国欧美一区在线| 欧美特黄在线免费观看| 国产成人精品福利一区二区| 国产精品亚洲二区三区| 美女露脸口爆吞精视频| 亚洲黄色手机在线网站| 国产剧情av在线资源| 最新日韩中文字幕在线播放| 中文免费在线观看av| 一区二区三区视频在线国产| 极品性感尤物少妇粉嫩逼| 日韩大片一区二区三区在线观看| 好色人妻在线播放中文字幕| 欧美高清在线观看一区二区| 亚洲男人天堂在线观看| 日韩视频 一区 二区| 91九色在线免费观看 | 在线看日本一区二区| 91成人精品永久在线观看| 国产91在线视频播放| 黑人巨大精品欧美久久| 中文字幕的国产在线播放| 亚洲精品啪啪一区二区| jvid视频在线观看免费| 一区二区三区毛片av网站| 国产传媒在线免费播放视频| 美女诱惑丝袜国产国产av丝袜| 男人自拍天堂在线视频| 久久亚洲精品中文字幕| 免费av在线观看日韩| 国产精品自拍小视频91| 亚洲欧洲国产视频一区二区 | 亚洲欧美日韩成人在线| 精品国产一区二区日韩91 | 岛国大片一区二区三区| 国产成人免费公开视频| 国产精品日韩av一区二区| 国产精品自拍国产精品| 国产三级黄在线观看| 中文字幕av不卡一区| 欧美日本一道本一区二区三区|