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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>184S丙烯腈气体检测管184S ALLYL ALCOHOL (+) CH2=CHCN 0.1-3.5%

丙烯腈气体检测管184S ALLYL ALCOHOL (+) CH2=CHCN 0.1-3.5%

简要描述:

丙烯腈气体检测管184S ALLYL ALCOHOL (+) CH2=CHCN 0.1-3.5%,气体检测管是用来检测某种气体在某一环境中所含浓度的简易检测装置,通过检测剂与被检测气体的反应而出现颜色变化,来表示所测环境中的气体浓度。在不用任何能源、电源的情况下,具有操作简单、使用范围广、检测准确、即时性强和经济的特点。

更新时间:2017-12-05

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丙烯腈气体检测管184S ALLYL ALCOHOL (+) CH2=CHCN 0.1-3.5%

丙烯腈气体检测管184S ALLYL ALCOHOL (+) CH2=CHCN 0.1-3.5%

Tube No.184S
1. PERFORMANCE
1) Measuring range :20-500 ppm
Number of pump strokes 1(100mr)
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(10~40℃)(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Graduations printed on the tube are calibrated by Methyl methacrylate at 1 pump
stroke and Allyl alcohol concentration is determined by using a converstion chart.
8) Colour change :Pale yellow→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:10% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
H2C=CHCH2OH+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
20
40
60
80
100
120
140
160
10
100ml
ppm
GAS To pump
184S C ALLYL ALCOHOL
Substance Interference Coexistence
Alcohols Similar stain is produced. Higher readings are given.
Ethers 〃〃
Paraffin hydrocarbons(more than C3) Whole reagent is changed to Brown. 〃
Aromatic hydrocarbons 〃〃
Esters 〃〃
Ketones 〃〃
Halogenated hydrocarbons FIG.1 〃〃
0
200
100
300
400
500
1,1,1-Trichloroethane〔ppm〕�
FIG.1 Influence of 1,1,1-Trichloroentane
Methyl methacrylate indicating value 〔ppm〕
100 200 300 400 500 600
50
Concentration of Allyl alcohol(ppm)�
Scale printed of Methyl methacrylate(ppm)�
10
20
40
60
80
100
120
140
20
100
200
300
400
500
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
500 - 600 500 430 380
400 - 480 400 350 300
300 480 360 300 260 230
200 320 240 200 170 150
100 240 120 100 90 80
50 80 60 50 43 38
20 32 24 20 17 15
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