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首頁>產品中心>日本光明北川式氣體檢測管>氣體快速檢測管>237S醋酸乙(yi)烯酯CH3CO2CH=CH2氣體檢測管(guan)237S VINYL ACETATE 5-120ppm

醋酸乙烯酯CH3CO2CH=CH2氣體檢測管237S VINYL ACETATE 5-120ppm

簡要描述:

醋酸(suan)乙(yi)(yi)(yi)烯(xi)(xi)酯(zhi)CH3CO2CH=CH2氣(qi)體(ti)檢測(ce)管237S VINYL ACETATE 5-120ppm,別 名(ming)(ming) 乙(yi)(yi)(yi)酸(suan)乙(yi)(yi)(yi)烯(xi)(xi);乙(yi)(yi)(yi)烯(xi)(xi)基(ji)乙(yi)(yi)(yi)酸(suan)酯(zhi);醋酸(suan)乙(yi)(yi)(yi)烯(xi)(xi)酯(zhi),英(ying)文名(ming)(ming)稱 vinyl acetate;ethenyl ethanoate,健康危害:本(ben)品(pin)對(dui)眼睛、皮膚、粘膜(mo)和上呼吸道有刺(ci)激性。長時間接觸有麻醉作(zuo)用(yong)。產品(pin)別名(ming)(ming) 乙(yi)(yi)(yi)酸(suan)乙(yi)(yi)(yi)烯(xi)(xi)酯(zhi);醋酸(suan)乙(yi)(yi)(yi)烯(xi)(xi);VAC,產品(pin)英(ying)文名(ming)(ming) Vinyl acetate;Vinyl acetic ester;VA,結構式(shi)為(wei)CH3COOCH=CH2

更新時(shi)間(jian):2024-05-08

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醋酸乙烯酯CH3CO2CH=CH2氣體檢測管237S VINYL ACETATE 5-120ppm

醋酸乙烯酯CH3CO2CH=CH2氣體檢測管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