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當前位置:上海境宣實業有限公司>>日本光明北川式氣體檢測管>>氣體快速檢測管>> 211U丙烯酸乙酯CH2=CHCO2C2H5氣體檢測管211U ETHYL ACRYLATE 5-60ppm

丙烯酸乙酯CH2=CHCO2C2H5氣體檢測管211U ETHYL ACRYLATE 5-60ppm

參  考  價面議
具體成交價以合同協議為準

產品型號211U

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廠商性質代理商

所  在  地上海市

更新時間:2024-11-20 11:07:43瀏覽次數:1011次

聯系我時,請告知來自 化工儀器網
丙烯酸乙酯CH2=CHCO2C2H5氣體檢測管211U ETHYL ACRYLATE 5-60ppm (+) 檢測劑是將某些能與待測物質發生化學反應并可改變顏色的化學試劑吸附在固體載體顆粒表面上加工而得,如硫化氫檢測管,其反應原理如下∶H2S+Pb(AC)2 PbS↓+2HAC

丙烯酸乙酯CH2=CHCO2C2H5氣體檢測管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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