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環已酮C6H10O氣體檢測管197U CYCLOHEXANONE 2-100ppm,在使用氧氣檢測管檢測時,為什么會發熱呢?如果是冬天你使用過用來保暖的保暖袋,在打開袋子搖晃后,你會發現它突然變暖了。這是因為里面的含鐵元素的物質的作用,氧氣分子被吸附進含鐵元素的顆粒的間隙,并且產生熱量。氧氣檢測管里有鈦元素。當氧氣分子與鈦的顆粒接觸吸附,在發生變色的同時,也會放出熱量(就像上面提到的保暖袋一樣)。
更新時間:2024-12-18
在線留言環已酮C6H10O氣體檢測管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
上一篇:206U環己醇C6H11OH氣體檢測管206U CYCLOHEXANOL 5-500ppm
下一篇:111U乙酸乙酯氣體檢測管111U ETHYL ACETATE 20-300ppm
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