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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醋酸乙烯酯CH3CO2CH=CH2气体检测管237S VINYL ACETATE 5-120ppm

醋酸乙烯酯CH3CO2CH=CH2气体检测管237S VINYL ACETATE 5-120ppm

简要描述:

醋酸乙烯酯CH3CO2CH=CH2气体检测管237S VINYL ACETATE 5-120ppm,别 名 乙酸乙烯;乙烯基乙酸酯;醋酸乙烯酯,英文名称 vinyl acetate;ethenyl ethanoate,健康危害:本品对眼睛、皮肤、粘膜和上呼吸道有刺激性。长时间接触有麻醉作用。产品别名 乙酸乙烯酯;醋酸乙烯;VAC,产品英文名 Vinyl acetate;Vinyl acetic ester;VA,结构式为CH3COOCH=CH2

更新时间:2017-07-08

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醋酸乙烯酯CH3CO2CH=CH2气体检测管237S VINYL ACETATE 5-120ppm

醋酸乙烯酯CH3CO2CH=CH2气体检测管237S VINYL ACETATE 5-120ppm

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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