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

Industrial Anhydrous Hydrofluoric Acid

Quality StandardGB7747-2011

Molecular FormulaHF                              Molecular Weight20.01

Item

Index

Premium grade

I Class

II Class

Top-grade

First-grade

Qualified product

Hydrogen fluoride (HF) w/% ≥

99.99

99.92

99.96

99.92

99.8

Moisture(H2O) w/% ≤

0.002

0.004

0.02

0.04

0.06

Fluorosilicic Acid(H2SiF6) w/% ≤

0.002

0.005

0.008

0.015

0.050

Sulfur Dioxide(SO2)  w/% ≤

0.002

0.003

0.005

0.010

0.030

Non-volatile acid(H2SO4) w/% ≤

0.002

0.005

0.005

0.010

0.050

Properties
The product is a colorless, transparent liquid. It has a strongly pungent odor. It is very corrosive and strong toxic. White fumes can rise from it in air. Boiling point 19.5℃.
Application
The product is mainly used for making element fluoride,fluorate,fluoride haloid alkane and hydrofluoric acid. It can be also used as fluorinating agent.
Storage
The product should be stored in a storehouse with a shed and kept away from the sunlight. Strictly forbid storing it with combustibles and explosive together.
Transport
It should be treated as Grade A inorganic acid corrosive goods.
Packing
(1)It is filled in a mid-pressure steel cylinder without a fusible stopper,with net weight 330kg or 660kg per cylinder.
(2)Iso tank with net weight 25000kg or 28000kg. 

【Back】

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

国产伦理自拍视频在线观看| 亚洲欧美日韩校园春色| 相泽南亚洲一区二区在线播放| 国产欧美激情一区二区| 日韩在线一区二区三区电影| 91中文字幕在线一区| 一区二区在线观看激情| 午夜福利不卡片在线观看| 欧美大片高清在线观看| 亚洲1区2区中文字幕| 中文字幕日韩精品久久| 欧美日韩国产免费电影| 亚洲成人国产一区二区| 无人码人妻一区二区三区免| 99国产精品欧美一区二区| 天堂av在线资源观看| 亚洲熟女av综合网五月| 色在色在线播放亚洲中文| 日韩有码中文字幕一区| 久久精品国产亚洲av高清大结局| 国产毛片精品一区内射| 欧美大片免费在线播放| 91麻豆精品一二三区在线| 少妇激情一区二区三区免费视频| 日本高清不卡在线一区二区| 精品国产第一区二区三区| 亚洲综合日韩精品国产av| 亚洲精品一级理论片对面| 亚洲av乱码一区二区三区观影| 国内自拍视频一区高清视频| 一区二区三区人妻av| 深夜三级福利在线观看| 手机在线观看av网站| 日韩精品一区二区av在线| 欧美大片免费久久精品| 成人黄色三级免费网站| 日本高清一区二区高清| 亚洲欧美一级二级三级| 国产精品久久中文字幕亚洲| 亚洲性视频日韩性视频| 免费在线观看av大全|