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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>206U环己醇C6H11OH气体检测管206U CYCLOHEXANOL 5-500ppm

环己醇C6H11OH气体检测管206U CYCLOHEXANOL 5-500ppm

简要描述:

环己醇C6H11OH气体检测管 Cyclohexanol 206U CYCLOHEXANOL 5-500ppm,为什么变色层的长度能够表示目标气体的浓度呢?首先,检测管里装有检测试剂(也就是对上面的问题的解释:检测管为什么会出现颜色变化)让我们已氧气检测管为例,检测管里紧密地填充着检测试剂,检测时,空气被气体采集器吸进检测管。空气中氧气分子与检测试剂反应使试剂从黑色变为白色。

更新时间:2024-03-12

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环己醇C6H11OH气体检测管206U CYCLOHEXANOL 5-500ppm

环己醇C6H11OH气体检测管206U CYCLOHEXANOL 5-500ppm

1. PERFORMANCE
1) Measuring range :5-500 ppm
Number of pump strokes 2(200ml)
2) Sampling time :3 minutes/2 pump strokes
3) Detectable limit :2 ppm
4) Shelf life :2 years
5) Operating temperature :10~40℃
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:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Chromium oxide is reduced.
C6H11OH+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
400
500
300
200
100
50
30
10
5
200ml
ppm
(White)
DEHUMIDIFIER
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Tube No.
206U CYCLOHEXANOL
90
0
100
200
300
400
50
Ethanol〔ppm〕�
FIG.1 Influence of Ethanol