欧美 国产 日本,嗯,嗯,嗯太舒服了视频,久久激情热播免费视频,午夜婷婷大香蕉

產(chǎn)品列表PRODUCTS LIST

首頁>產(chǎn)品中心>日本光明北川式氣體檢測管>氣體快速檢測管>113SB戊烷CH3(CH2)3CH3氣體檢測管113SB PENTANE 50-1000ppm

戊烷CH3(CH2)3CH3氣體檢測管113SB PENTANE 50-1000ppm

簡要描述:

戊烷CH3(CH2)3CH3氣體檢測管113SB PENTANE 50-1000ppm,CAS 09-66-0,健康危害,高濃度可引起眼與呼吸道粘膜輕度刺激癥狀和麻醉狀態(tài),甚至意識喪失。慢性作用為眼和呼吸道的輕度刺激??梢疠p度皮炎。燃爆危險,本品極度易燃。主要用途,用作溶劑,制造人造冰、麻醉劑,合成戊醇、異戊烷等。有限/密閉空間氣體安全檢測箱,有限空間應急防護箱 www.yd666.com

更新時間:2025-06-03

發(fā)郵件給我們:554328895@qq.com

分享到: 1
在線留言
戊烷CH3(CH2)3CH3氣體檢測管113SB PENTANE 50-1000ppm

戊烷CH3(CH2)3CH3氣體檢測管113SB PENTANE 50-1000ppm

Tube 13SB
1. PERFORMANCE
1) Measuring range :50-1,000 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :10 ppm
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Reading :Graduations printed on the tube are calibrated by Hexane at 1 pump stroke
and Pentane concentration is determined by using a conversion chart.
7) Colour change :Orange→Yellowish green
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:5%
3. CHEMICAL REACTION
CH3(CH2)3CH3+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
250
400
600
800
1000
1200
1400
100
50
ppm
GAS To pump
113SB C PENTANE
0
500
Benzene〔ppm〕?
FIG.1 Influence of Benzene
Pentane indicating value 〔ppm〕
50 100 0
500
Toluene〔ppm〕?
FIG.2 Influence of Toluene
Pentane indicating value 〔ppm〕
50 100 150
Pentane concentration(ppm)?
13SB Tube reading(ppm)?
(100ml)?
50
100
200
400
600
800
1000
1200
1400
50
100
200
400
600
800
1000
Substance Interference ppm Coexistence
Alcohols Similar stain is produced. 6% Higher readings are given.
Ketones 〃〃〃
Esters 〃〃〃
Aromatic hydrocarbons 〃The bottom of the discoloured layer is stain-
FIG.1,2 ed to Black and higher readings are given.
Paraffin (morefi nth Haynd Cro3)carbons 〃Higher readings are given.

欧美成人午夜免费视在线看片| 国产| dy888午夜91精品国产| 亚洲综合欧美| 国产午夜无码片免费| 日本动漫瀑乳H动漫啪啪免费| 四虎AV永久在线精品免费观看| 精品久久久BBBB人妻| 亚洲国产成人精品无码一区二区| 人妻一本久道久久综合久久鬼色| 欧美性xxxx极品| 最近最新中文字幕大全免费版| 连南| 日本在线一区二区| 毛片| 久久成人网| 久久精品www人人爽人人| 几个东北熟妇的性经历| 欧美aaa片| 色99| 在线天堂| 久久精品国产亚洲av高清热| 成人色| 中国熟妇视频| 伊人蕉久中文字幕无码专区| 免费A级毛片无码免费视频首页| 国产精品成熟老女人| 久久国产乱子伦免费精品无码| 国产精品无码翘臀在线观看| 国产精品福利一区二区| 无码人妻少妇久久中文字幕| 中文字幕日韩欧美一区二区三区| 国产不卡视频一区二区三区| 北条麻妃一区二区三区av高清| 欧美一区二区三区久久综合| 免费人成自慰网站| 先锋影音人妻啪啪va资源网站| 无码人妻少妇伦在线电影| 狠狠色丁香久久婷婷综合五月| 在厨房拨开内裤进入毛片| 亚洲精品乱码在线观看|