无码欧美xxxxx在线观看裸,麻豆影视在线直播视频,久久夜色精品国产亚洲av动态图,色欲av午夜一区二区三区

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>208U異丁醇(CH3)2CHCH2OH氣體檢測管208U ISOBUTYLALCOHOL 5-100ppm

異丁醇(CH3)2CHCH2OH氣體檢測管208U ISOBUTYLALCOHOL 5-100ppm

簡要描述:

異丁醇(CH3)2CHCH2OH氣體檢測管208U ISOBUTYL ALCOHOL 5-100ppm,健康危害: 較高濃度蒸氣對眼睛、皮膚、粘膜和上呼吸道有刺激作用。眼角膜表層形成空泡,還可引起食欲減退和體重減輕。涂于皮膚,引起局部輕度充血及紅斑。危險(xiǎn)特性: 易燃,其蒸氣與空氣可形成爆炸性混合物,遇明火、高熱能引起燃燒爆炸。受熱分解放出有毒氣體。與氧化劑能發(fā)生強(qiáng)烈反應(yīng)。在火場中,受熱的容器有爆炸危險(xiǎn)。 有害燃燒產(chǎn)物: 一氧化碳、二氧化碳。

更新時(shí)間:2025-03-11

在線留言
異丁醇(CH3)2CHCH2OH氣體檢測管208U ISOBUTYLALCOHOL 5-100ppm

異丁醇(CH3)2CHCH2OH氣體檢測管208U ISOBUTYL ALCOHOL 5-100ppm

Tube No.208U

1. PERFORMANCE
1) Measuring range :5-100 ppm
Number of pump strokes 3(300ml)
2) Sampling time :4.5 minutes/3 pump strokes
3) Detectable limit :2 ppm
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 3 pump strokes
8) Colour change :Yellow→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
(CH3)2CHCH2OH+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
100
10
20
40
60
80
5
300ml
ppm
(White)
DEHUMIDIFIER
????
208U ISOBUTYL ALCOHOL
Substance ppm Interference Coexistence
Alcohols FIG.1 Similar stain is produced. Higher readings are given.
Toluene 200 bWluheo.le reagent is changed to Pale 〃
Hexane 1,000 The accuracy of readings is not The accuracy of readings is
affected. not affected.
Trichloroethylene 1,000 〃〃
Ethyl acetate FIG.2 1,000 〃〃
0
100
50
Ethanol〔ppm〕?
FIG.1 Influence of Ethanol
iso-Butyl alcohol
indicating value 〔ppm〕
50 100
Coexistence
Interference
0
100
50
Ethyl acetate〔ppm〕?
FIG.2 Influence of Ethyl acetate
iso-Butyl alcohol
indicating value 〔ppm〕
50 100
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
100 - - 100 85 80
80 - 100 80 75 60
60 95 70 60 53 50
40 58 47 40 36 34
20 27 22 20 18 17
10 13 11 10 9 8
5 5 5 5 5 5

精国产品一区二区三区a片| 特大黑人与亚洲娇小| 大屁股熟女一区二区三区| 草色噜噜噜av在线观看香蕉| 久久久无码精品国产一区| 成人网站在线观看| 少妇又紧又色又爽又刺激视频| 两个奶被揉得又硬又翘怎么回事 | 亚洲色欲综合一区二区三区| 99re在线精品国产欧美| 无码人妻丰满熟妇啪啪欧美| 99久久亚洲精品无码毛片| 人妻少妇精品无码专区动漫| 人人妻人人澡人人爽超污| 精品九九人人做人人爱| 披按摩高潮a片一区二区三区 | 欧美乱大交xxxxx疯狂俱乐部| 国产suv精品一区二区四 | 亚洲精品国产AV天美传媒| 久久久久久精品成人免费图片| 加勒比色老久久爱综合网| 国产成人精品亚洲日本在线观看| 成人免费在线电影| 亚洲五月综合自拍区| 巨熟乳波霸若妻在线播放| 亚洲av综合色区无码一二三区| 精品无码人妻一区二区三区不卡| 久久精品国产99国产精偷| 少妇一夜三次一区二区| 日本丰满熟妇无码亚洲影视下载| 99久久人妻精品免费二区| 永久免费a∨片在线观看| AV无码人妻中文字幕| 日韩国产精品亚洲а∨天堂免| 狠狠干狠狠爱| 亚洲色欲久久久久综合网| 短裙公车被强好爽h吃奶视频| 毛片在线播放a| 天天做天天摸天天爽天天爱| 中文精品无码中文字幕无码专区| 久久天天躁狠狠躁夜夜avapp|