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首页>产品中心>日本光明北川式气体检测管>气体快速检测管>208U异丁醇(CH3)2CHCH2OH气体检测管208U ISOBUTYLALCOHOL 5-100ppm

异丁醇(CH3)2CHCH2OH气体检测管208U ISOBUTYLALCOHOL 5-100ppm

简要描述:

异丁醇(CH3)2CHCH2OH气体检测管208U ISOBUTYL ALCOHOL 5-100ppm,健康危害: 较高浓度蒸气对眼睛、皮肤、粘膜和上呼吸道有刺激作用。眼角膜表层形成空泡,还可引起食欲减退和体重减轻。涂于皮肤,引起局部轻度充血及红斑。危险特性: 易燃,其蒸气与空气可形成爆炸性混合物,遇明火、高热能引起燃烧爆炸。受热分解放出有毒气体。与氧化剂能发生强烈反应。在火场中,受热的容器有爆炸危险。 有害燃烧产物: 一氧化碳、二氧化碳。

更新时间:2017-08-04

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异丁醇(CH3)2CHCH2OH气体检测管208U ISOBUTYLALCOHOL 5-100ppm

异丁醇(CH3)2CHCH2OH气体检测管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

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