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首頁(yè)>產(chǎn)品中心>日本光明北川式氣體檢測管>氣體快速檢測管>237S丁基甲基酮氣體檢測管237S Methyl butyl ketone 5-80ppm

丁基甲基酮氣體檢測管237S Methyl butyl ketone 5-80ppm

簡(jiǎn)要描述:

丁基甲基酮氣體檢測管237S Methyl butyl ketone 5-80ppm 醋酸乙烯酯CH3(CH2)3COCH3氣體檢測管237S VINYL ACETATE 在煤礦和石油化工行業(yè),大多存在可燃性易爆氣體、有毒氣體及窒息性氣體,使
用檢測管可以快速準確地檢測空氣中有毒有害氣體。檢測管廣泛用于生產(chǎn)設備動(dòng)火前和進(jìn)入密閉設備前的安全分析;用于檢查生產(chǎn)設備管道泄漏情況;用于大氣、水質(zhì)等環(huán)境監測和工業(yè)設備廢水污染監測;用于各種地質(zhì)勘探和礦山開(kāi)采中地下溢出的氣體和污染分析;也可在汽車(chē)尾氣排放

更新時(shí)間:2024-07-14

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丁基甲基酮氣體檢測管237S Methyl butyl ketone 5-80ppm

丁基甲基酮氣體檢測管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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