丰满岳乱妇在线观看中字无码,漂亮的保姆5在线观看中文,把我绑在床头上夹奶头视频,免费人做人爱完整版视频

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>122SA異丙醇CH3CH(OH)CH3氣體檢測管122SA ISOPROPYL ALCOHOL

異丙醇CH3CH(OH)CH3氣體檢測管122SA ISOPROPYL ALCOHOL

簡要描述:

異丙醇CH3CH(OH)CH3氣體檢測管122SA ISOPROPYL ALCOHOL 0.05-2.5%,別名:二甲基甲醇;2-丙醇,行業(yè)中也作:IPA,英文品名: iso-Propyl alcohol ;isopropanol;Dimethylcarbinol;2-Propanol俗稱IPA,它是正丙醇 CH3-CH2-CH2OH 的同分異構(gòu)體。分子式: C3H8O;(CH3)2CHOH,健康危害: 接觸高濃度蒸氣出現(xiàn)頭痛、倦睡、共濟(jì)失調(diào)以及眼、鼻、喉刺激癥狀??诜芍聬盒?、嘔吐、腹痛、腹瀉

更新時(shí)間:2025-01-15

在線留言
異丙醇CH3CH(OH)CH3氣體檢測管122SA ISOPROPYL ALCOHOL

異丙醇CH3CH(OH)CH3氣體檢測管122SA ISOPROPYL ALCOHOL 0.05-2.5%

Tube 22SA

1. PERFORMANCE
1) Measuring range :0.05-2.5%
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :100 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Graduations printed on the tube are calibrated by Ethylene oxide at 1 pump stroke
and Isopropyl alcohol is determined by using a conversion chart.
8) Colour change :Orange→Dark brown
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:15% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3CH(OH)CH3+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
1.0
0.8
0.6
0.4
1.8
1.6
1.4
1.2
0.2
0.1
0.01
%
(White)
DEHUMIDIFIER
122SA C ISOPROPYL ALCOHOL
Substance Interference % Coexistence
Alcohols FIG.1 Similar stain is produced. Higher readings are given.
Esters FIG.2 〃〃
Ketones 〃〃
Aromatic hydrocarbons 〃〃
Paraffin hydrocarbons WPahleo leb rroewang.ent is discoloured to 0.5 〃
(NOTE)
Methanol and Ethyl acetate have the same sensitivity as Isopropyl alcohol.
Methyl ethyl ketone has 3/ 4 sensitivity of Isopropyl alcohol.
0
0.5
1.0
1.5
2.0
2.5
Methanol〔%〕?
FIG.1 Influence of Methanol
Isopropyl alcohol
indicating value 〔%〕
0.2 0.4 0.6
Coexistence
Interference
0
0.5
1.0
1.5
2.0
2.5
Ethyl acetate〔%〕?
FIG.2 Influence of Ethyl acetate
Isopropyl alcohol
indicating value 〔%〕
0.2 0.4 0.6
Coexistence
Interference
22SA Tube reading (%)?
Isopropyl alcohol(%)?
1.2
1.0
0.8
1.6
1.8
1.4
0.6
0.4
0.2
0.1
0.01 0.05
0.1
0.5
1.0
1.5
2.0
2.5
(100mR)?
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(%) (32°F) (50°F) (68°F) (86°F) (104°F)
2.5 - - 2.50 2.10 2.00
2.0 - - 2.00 1.70 1.62
1.5 - - 1.50 1.28 1.21
1.0 - 1.43 1.00 0.85 0.80
0.5 1.00 0.62 0.50 0.42 0.38
0.1 0.16 0.14 0.10 0.09 0.08
0.05 0.09 0.06 0.05 0.04 0.03

麻豆国产av超爽剧情系列| 亚洲国产一区二区三区在线观看 | 久久9精品区-无套内射无码| 久久久久久精品免费免费自慰| 久久久无码人妻精品无码| 一本一道AV无码中文字幕| 麻豆视传媒官网免费观看| 免费看的www哔哩哔哩| 双乳被老汉揉搓a毛片免费观看| 国内自拍视频在线| 精品黑人一区二区三区| 两个女人互添下身视频在线观看| 久久精品国产亚洲av麻豆网站| 色欲麻豆国产福利精品| 日韩精品无码视频一区二区蜜桃| 一本大道东京热无码视频| 无码亚洲精品无码专区| 人妻少妇久久中文字幕一区二区| 欧美熟妇av欧差aa片| 少妇仑乱A毛片无码| gogo西西人体做爰大胆视频图 | 欧美性受xxxx| 中文字幕人成无码人妻综合社区 | 国产乱人对白a片麻豆| 国产99视频精品免视看9| 亚洲av无码片一区二区三区| 久久国语露脸国产精品电影| 办公室浪荡女秘在线观看| 精品无码av无码专区| 亚洲爆乳www无码专区| 性生交大片免费看淑女出招| 免费a级毛片| 久久精品麻豆日日躁夜夜躁 | 国产精品无码mv在线观看| 国产精品久久久久久爽爽爽床戏| 日本aaaaa级特黄大片| 久久久久久精品久久久| 在线观看免费网页欧美成| 美腿丝袜视频| 免费120秒体验试看5次| 亚洲av香蕉一区区二区三区|