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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>119U1,4-二氧六环气体检测管119U 1,4-DIOXANE 20-500ppm

1,4-二氧六环气体检测管119U 1,4-DIOXANE 20-500ppm

简要描述:

1,4-二氧六环 119U 1,4-DIOXANE (+) 1,4-二垩烷检测管,20-500ppm 1,4-二氧六环气体检测管119U 1,4-DIOXANE 20-500ppm,管道中气流的流向及流速的检测方法:发烟管作为气体检测的辅助工具,是用来测定管道中气流的流向及流速的,管子里填充了容易发烟的物质氯化锡。发烟管可重复使用,每次待测完毕后,用所附的橡胶帽盖上即可。

更新时间:2017-09-04

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1,4-二氧六环气体检测管119U 1,4-DIOXANE 20-500ppm

1,4-二氧六环气体检测管119U 1,4-DIOXANE 20-500ppm

Tube No.
1. PERFORMANCE
1) Measuring range :20-500 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :5 ppm
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Graduations printed on the tube are calibrated by Methyl alcohol at 1 pump stroke
and 1,4-Dioxane concentration is determined by using a conversion chart.
8) Colour change :Orange→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Pottassium dichromate is reduced.
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
1000
800
600
400
200
100
50
20
ppm
119U C 1, 4-DIOXANE
O O+Cr6++H2SO4→CH2CH2 Cr3+
CH2CH2
TEMPERATURE CORRECTION TABLE
Scale True Concentration (%)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(%) (32°F) (50°F) (68°F) (86°F) (104°F)
500 700 600 500 470 440
400 480 440 400 370 350
300 370 330 300 280 260
200 250 220 200 190 170
100 130 110 100 90 85
50 65 60 50 45 40
20 25 23 20 18 15

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