欧美 国产 日本,无码高清抽插,欧美美女鸡鸡网站,18禁看美女的胸久久

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、共濟失調(diào)以及眼、鼻、喉刺激癥狀??诜芍聬盒摹I吐、腹痛、腹瀉

更新時間:2025-07-02

發(fā)郵件給我們:554328895@qq.com

分享到: 1
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

超清av在线播放不卡无码| 被义子侵犯的漂亮人妻中字| 精品国产91乱码一区二区三区 | 欧美日韩不卡视频合集| 99久久无码一区人妻| 免费看三级黄色片| 久久一区二区三区精华液介绍| 三级中文字幕永久在线| 欧美在线看片A免费观看| 少妇人妻精品一区二区| 亚洲AV网一区二区三区| 亚州综合| 精品一区二区三区中文字幕| 亚洲成a∨人片在线观看不卡| 中国杭州少妇xxxx做受| 日产学生妹在线观看| 天天做天天爱夜夜夜爽毛片| 亚洲成在人线AV| 日韩精品电影在线观看| 99热这里只有精品6国产免费| 国精品午夜福利视频导航 | 亚洲女人初尝黑人巨大| 内射中出日韩无国产剧情| 蜜桃传媒一区二区亚洲av婷婷| 精品一区二区在线播放| 欧美日皮| 91麻豆国产自产在线观看| 国产亚洲综合久久久无码av一级区| 精品一区二区三区四区五区六区| 少妇高潮惨叫久久久久电影69| 激情亚洲一区国产精品| 末成年女AV片一区二区| 国产精品国产精品偷麻豆| 亚洲精品无码ma在线观看| 国产成人亚洲综合色影视| www.超碰| 新邵县| 国产精品视频分类精品| 午夜福利一区二区三区 | 久久久久琪琪去精品色| 91久久精品日日躁夜夜躁国产|