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

日本精品一区二区三区免费| 免费无遮挡18禁视频| 欧美黄色成人免费网站| av成人资源一区久久| 久久精品国产亚洲av麻豆网站| 高清欧美大片免费观看| 一区二区人妻乳中文字幕| 亚洲国际精品女人乱码| 国产免费久久黄av片| 91麻豆精品国产自产| 日日干天天日夜夜操| 丰满的少妇一区二区三区免费观看| 中文字幕久精品视频免费| 国产精品一区2区3区| 日本少妇入口一区二区| 亚洲黄色av电影在线| 男人av天堂手机在线| 亚洲精品色婷婷一区二区| 91久久亚洲综合精品成人| 中文字幕人妻秘书社长| 久久国产欧美日韩精品免费| 清纯美女爱爱高潮av| 好吊视频在线免费观看| 91国内精品手机在线高清| 夜夜嗨精品免费视频播放| 免费在线观看97视频| 欧美日韩亚洲人人夜夜澡| 漂亮人妻被中出中文字幕| 亚洲一区二区三区蜜桃av| 国产日韩欧在线视频| 麻豆黄片在线免费观看| 亚洲一区二区三区不卡视频| 欧美日韩加勒比综合在线| 欧美一区二区三区日韩精品| 一区二区三区三级视频| 亚洲午夜精品一区二区久久| 在线欧美日韩一区二区三区| 18禁黄网站免费观看在线| 亚洲少妇午夜福利视频| 91麻豆精品国产综合久久久| 欧美女人又粗又长亚洲|