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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>211U丙烯酸乙酯CH2=CHCO2C2H5气体检测管211U ETHYL ACRYLATE 5-60ppm

丙烯酸乙酯CH2=CHCO2C2H5气体检测管211U ETHYL ACRYLATE 5-60ppm

简要描述:

丙烯酸乙酯CH2=CHCO2C2H5气体检测管211U ETHYL ACRYLATE 5-60ppm (+) 检测剂是将某些能与待测物质发生化学反应并可改变颜色的化学试剂吸附在固体载体颗粒表面上加工而得,如硫化氢检测管,其反应原理如下∶H2S+Pb(AC)2 PbS↓+2HAC

更新时间:2017-09-05

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丙烯酸乙酯CH2=CHCO2C2H5气体检测管211U ETHYL ACRYLATE 5-60ppm

丙烯酸乙酯CH2=CHCO2C2H5气体检测管211U ETHYL ACRYLATE 5-60ppm

Tube No.211U
1. PERFORMANCE
1) Measuring range :5-60 ppm
Number of pump strokes 2(200ml)
2) Sampling time :3 minutes/2 pump strokes
3) Detectable limit :0.5 ppm
4) Shelf life : :2 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Graduations printed on the tube are calibrated by Methyl acrylate at 2 pump strokes
and Ethyl acrylate concentration is determined by using a conversion chart.
8) Colour change :Yellow→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH2=CHCO2CH2CH3+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
60
40
20
10
5
ppm
200ml
DEHUMIDIFIER
(White)
􀀀􀀀􀀀􀀀􀀀
􀀀􀀀
211U C ETHYL ACRYLATE
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
60 80 70 60 52 44
40 52 46 40 34 28
20 27 23 20 17 15
10 14 12 10 9 7
5 7 6 5 4 3
Substance Interference Coexistence
Alcohols Similar stain is produced. Higher reading are given.
Paraffin (morefi nth haynd Cro3c)arbons DWahrokl e b rreoawgne.nt is discoloured to 〃
Halogenated hydrocarbons 〃〃
Esters 〃〃
Aromatic hydrocarbons FIG.1,2 〃〃
0
20
30
10
50
60
40
80
100
90
70
Toluene〔ppm〕�
FIG.1 Influence of Toluene
Ethyl acrylate
indicating value 〔ppm〕
10 20 30 40 50 0
20
30
10
50
60
40
80
100
90
70
Hexane〔ppm〕�
FIG.2 Influence of Hexane
Ethyl acrylate
indicating value 〔ppm〕
100200300400500600700
Ethyl Acrylate(ppm)�
No.211U Tube reading(ppm)�
(200mR)�
5
10
20
40
60
5
10
20
40
60

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