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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丙烯酸丁酯气体检测管 Butyl acrylate CH2=CHCO2C4H9 5-60ppm

丙烯酸丁酯气体检测管 Butyl acrylate CH2=CHCO2C4H9 5-60ppm

简要描述:

211U BUTYL ACRYLATE (+) 丙烯酸丁酯 Butyl acrylate CH2=CHCO2C4H9 5-60ppm,准确度误差另一方面来源于使用条件,关健是配合使用的采相器具,使用时计量体积应该准确。否则即使检测管质量再好,由于通过检测管的气样达不到规定要求,也会造成较大误差。对对此我们推笃采用医用注器作为采样工具,使用“先计量后吸入"方法进行操作,虽然稍嫌麻烦但可使测量误差降到Z低。

更新时间:2017-07-22

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丙烯酸丁酯气体检测管 Butyl acrylate CH2=CHCO2C4H9 5-60ppm

丙烯酸丁酯211U Butyl acrylate CH2=CHCO2C4H9 5-60ppm

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 :Direct reading from the scale calibrated by 2 pump strokes
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=CHCO2(CH2)3CH3+Cr6+H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
ppm
5
10
20
40
60
GAS To pump
DEHUMIDIFIER
(White)
Tube No.
211U BUTYL ACRYLATE
Substance Interference Coexistence
Alcohols Similar stain is produced. Higher readings are given.
Paraffin (moref inth haynd Cro3)carbons FIG.2 WDahrok lber roewang.ent is changed to 〃
Halogenated hydrocarbons 〃〃
Esters 〃〃
Aromatic hydrocarbons FIG.1 〃〃
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
60 105 80 60 45 32
40 68 54 40 30 22
20 32 26 20 15 11
10 15 13 10 8 5
5 8 7 5 4 3
0
20
30
10
50
60
40
80
100
90
70
Toluene〔ppm〕�
FIG.1 Influence of Toluene
Butyl 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
Butyl acrylate
indicating value 〔ppm〕
100200300400500600700
(NOTE)
Butyl acrylate have the same sensitivity at 20℃ to Methyl acrylate.
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