无码精品人妻一区二区三区,激情综合五月天开心久久,在线 日韩 一区 二区,久久精品不卡一区二区三区

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

Fluorine-Nitrogen Gas Mixture

Quality StandardGB/T 26251-2010

Molecular FormulaF2                       Molecular Weight38

Item

Index

F2 content (volume fraction)/ 10-2               

(20)

N2  (volume fraction)/ 10-2                                        

(80)

O2  (volume fraction)/ 10-2                               

≤0.08

CF (volume fraction)/ 10-2                                    

≤0.03

HF  (volume fraction)/ 10-2                                        

≤0.50

Properties
Melting point:-218℃, boiling point:-187℃, relative density(moisture=1)1.14(-200℃), soluble in water, relative density(air=1)1.70, saturated vapor pressure(kpa):101.32(-187℃), critical pressure(MPa):5.57
Application
Important material in fine chemical industry;widely used in electronic,laser technique and pharmaceutical industry
Storage
Avoid direct sunlight and keep away from explosive and metal powder
Transport
Be careful and be away from residential quarter
Packing
Steel gas cylinder,and net weight is 40L,or according to requirements

【Back】

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

国产亚州欧美日韩一区二区| 日韩亚洲精品在线免费观看| 小早川怜子激情无码视频| 久久久无码精品亚洲日韩按摩| 亚洲一区无码精品色变态| 久久久久久精品天堂无码| 洋老外米糕国产一区二区| 免费看国产成年无码AV片| 午夜影院一区影院在线观看| 欧美午夜精品一区二区三| 国产一区二区小视频在线| 视频在线观看你懂的免费| 99久久久成人毛片无码| 女高潮淫荡视频在线播放| 久久久久精品国产亚洲av麻豆| 亚洲性视频在线| h无码动漫在线观看不卡| 第一页资源在线免费播放| 亚洲最大综合久久网成人| 国内精品无码区二区三区| 亚洲蜜芽在线观看精品一区| 日韩精品一区二区三区蜜臀 | 国产高清免费一级a久久| 日韩欧美电影一区二区三区| 99精品国产综合久久久久| 小泽玛利亚家庭教师在线| 亚洲欧美情一区二区三区| 九色综合久99久久精品| 亚洲国产激情一区二区三区| 午夜在线视频国产极品片| 中文字幕久久波多野结衣av| 国产午夜精品播放一二三区| 欧美日韩亚洲精品吊丝网| 久久久久色国产精品一区| 国产精品亚洲第五区在线| 超97在线观看精品国产| av在线观看亚洲一区二区| 苍井空一区二区免费视频| 久久精品国产一区二区三| 亚洲成网站在线在线播放| 久久精品成人|