當前位置:上海境宣實業有限公司>>日本光明北川式氣體檢測管>>氣體快速檢測管>> 184S丙烯腈氣體檢測管184S ALLYL ALCOHOL (+) CH2=CHCN 0.1-3.5%
室內空氣甲醛檢測管No.713 FORMALDEHYDE 0.01-0
氯乙烯CH2=CHCl氣體測毒管132SC VINYL CHLORID
氯乙烯CH2=CHCl氣體檢知管132SB VINYL CHLORID
丙烯腈氣體檢測管184S ALLYL ALCOHOL (+) CH2=CHCN 0.1-3.5%
Tube 84S
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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