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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>237S丁基甲基酮气体检测管237S Methyl butyl ketone 5-80ppm

丁基甲基酮气体检测管237S Methyl butyl ketone 5-80ppm

简要描述:

丁基甲基酮气体检测管237S Methyl butyl ketone 5-80ppm 醋酸乙烯酯CH3(CH2)3COCH3气体检测管237S VINYL ACETATE 在煤矿和石油化工行业,大多存在可燃性易爆气体、有毒气体及窒息性气体,使
用检测管可以快速准确地检测空气中有毒有害气体。检测管广泛用于生产设备动火前和进入密闭设备前的安全分析;用于检查生产设备管道泄漏情况;用于大气、水质等环境监测和工业设备废水污染监测;用于各种地质勘探和矿山开采中地下溢出的气体和污染分析;也可在汽车尾气排放

更新时间:2017-12-20

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丁基甲基酮气体检测管237S Methyl butyl ketone 5-80ppm

丁基甲基酮气体检测管237S Methyl butyl ketone 5-80ppm

Tube No.237S

1. PERFORMANCE
1) Measuring range :10-120 ppm 5-60 ppm
Number of pump strokes 1(100ml) 2(200ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :1 ppm(200ml)
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :Yellow→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3CO2CH=CH2+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
100
ml
ppm
GAS To pump
DEHUMIDIFIER
(White)
120
100
80
60
40
20
10
237S VINYL ACETATE
Substance Interference ppm Coexistence
Acetic acid The accuracy of readings is not
affected.
Ethylene 150 The top of discoloured layer becomes
unclear.
Alcohols Similar stain is produced. Higher readings are given.
Ethers 〃〃
A(mlipohrea ttihca hny Cdr3o)carbons tWo hBorloew lany. er is discoloured 〃
Aromatic hydrocarbons 〃〃
Halogenated hydrocarbons 〃〃
Esters 〃〃
Ketones 〃〃
(NOTE)
In case of 2 pump strokes, following formula is available for the actual concentration.
Actual concentration=1/2×Reading value

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