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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>197U环已酮C6H10O气体检测管197U CYCLOHEXANONE 2-100ppm

环已酮C6H10O气体检测管197U CYCLOHEXANONE 2-100ppm

简要描述:

环已酮C6H10O气体检测管197U CYCLOHEXANONE 2-100ppm,在使用氧气检测管检测时,为什么会发热呢?如果是冬天你使用过用来保暖的保暖袋,在打开袋子摇晃后,你会发现它突然变暖了。这是因为里面的含铁元素的物质的作用,氧气分子被吸附进含铁元素的颗粒的间隙,并且产生热量。氧气检测管里有钛元素。当氧气分子与钛的颗粒接触吸附,在发生变色的同时,也会放出热量(就像上面提到的保暖袋一样)。

更新时间:2017-07-29

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环已酮C6H10O气体检测管197U CYCLOHEXANONE 2-100ppm

环已酮C6H10O气体检测管197U CYCLOHEXANONE 2-100ppm

1. PERFORMANCE
1) Measuring range :2-100 ppm
Number of pump strokes 3(300ml)
2) Sampling time :4.5 minutes/3 pump strokes
3) Detectable limit :1 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 3 pump strokes
8) Colour change :Yellow→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
C6H10O+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
100
80
60
40
20
10
2
300ml
ppm
(White)
DEHUMIDIFIER
􀀀􀀀
Tube No.
197U CYCLOHEXANONE
91
Substance Interference Coexistence
Aliphatic hydrocarbons Whole stain is changed to brown. The accuracy of reading is not
affected.
Aromatic hydrocarbons 〃〃
Halogenated hydrocarbons 〃〃
Alcohols FIG.1 Similar stain is produced. Higher readings are given.
Esters Pale ringed stain is produced near The accuracy of reading is not
the bottom of the reagent. affected.
0
30
50
70
10
Ethanol〔ppm〕�
FIG.1 Influence of Ethanol

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