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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>115S环己烷C6H12气体检测管 115S CYCLOHEXANE 0.01-0.6%

环己烷C6H12气体检测管 115S CYCLOHEXANE 0.01-0.6%

简要描述:

环己烷C6H12气体检测管 115S CYCLOHEXANE 0.01-0.6% 检测管为什么会有颜色变化?检测管里面装填的检测试剂,比如,二氧化碳检测管里面的白色部分,氧气检测管里面的黑色部分。当被检测的气体与试剂接触。会发生化学反应,引起颜色变化。也就是说,一旦被检测的气体通过检测管,颜色发生变化就说明气体的存在以及它的浓度。

更新时间:2017-08-02

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环己烷C6H12气体检测管 115S CYCLOHEXANE 0.01-0.6%

环己烷C6H12气体检测管 115S CYCLOHEXANE 0.01-0.6%

1. PERFORMANCE
1) Measuring range :0.01-0.6%
Number of pump strokes 1(100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :50 ppm
4) Shelf life :3 years
5) Operating temperature :10~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Orange→Dark green
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
C6H12+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
0.6
0.5
0.4
0.3
0.2
0.1
0.05
0.01
%
􀀀􀀀
􀀀􀀀
Tube No.
115S CYCLOHEXANE
89
Substance Interference ppm Coexistence
Benzene FIG.1 Black stain is produced. 400 Higher readings are given.
Toluene FIG.2 〃800 〃
Xylene 〃2,000 〃
Acetylene WDahrokl eg rleaeyenr. is discoloured to 〃
Ethylene Similar stain is produced. 〃
Paraffin hydrocarbons 〃〃
*In presence of Alcohols, Ketones or Esters less than 6%, the accaracy of readings is not affected.
0
0.1
0.2
0.3
0.4
Benzene〔ppm〕�
FIG.1 Influence of Benzene
Cyclohexane indicating value 〔%〕
200 400 600 0
0.1
0.2
0.3
0.4
Toluene〔ppm〕�
FIG.2 Influence of Toluene

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