久久爱综合久久爱久久爱,间谍过家家第二季在线观看免费,国产美女在线精品免费观看网址,欧美+日本+国产+在线观看

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 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

人妻无码av久久一二三区| 国产强被迫伦姧在线观看无码 | 亚洲色欲久久久久综合网| 白嫩人妻娇喘欲仙欲死| 久久久精品欧美一区二区三区| 亚洲日本va中文字幕久久道具| 超碰caoporen97人人| 国产乱人偷精品视频A人人澡| 自拍偷在线精品自拍偷无码专区| 最近韩国日本免费高清观看| 大学生疯狂高潮呻吟免费视频| 欧美又粗又大xxxxbbbb疯狂| 97免费人妻在线视频| 国产免费无码又爽又刺激A片| 五月AV综合AV国产AV| 亚洲精品无码高潮喷水A片软| 国产超碰人人做人人爽AV| 色综合99久久久无码国产精品| 欧美日韩在线播放二区| 99亚洲精品自拍AV成人软件| 99久久国产综合精品成人影院| 熟妇人妻一区二区三区四区| 欧美FREESE黑又粗又大| 美女视频黄是免费| 日韩a人毛片精品无人区乱码| 色窝窝无码一区二区三区色欲| 国产片和外国大片| 国产精品视频在线观看| 国产精品亚洲一区二区无码| 亚洲午夜精品久久久久久人妖| 日产PATHFINDER国产| 人妻 校园 激情 另类| 中国a级毛片免费观看| 人人妻人人爽日日人人| 精品人妻人人做人人爽夜夜爽| 嫩草AV久久伊人妇女超级A| 伊人久久大香线蕉AV色| 成人国内精品久久久久影院| 久久www免费人成人片| 人妻熟人中文字幕一区二区| 亚洲综合精品香蕉久久网|