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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>166S1,2-二溴化乙烯BrCH2CH2Br气体检测管166S ETHYLENE DIBROMIDE

1,2-二溴化乙烯BrCH2CH2Br气体检测管166S ETHYLENE DIBROMIDE

简要描述:

1,2-二溴化乙烯BrCH2CH2Br气体检测管166S ETHYLENE DIBROMIDE 1-50ppm 二溴乙烷检测管Ethylene dibromide 1-50ppm,检测试剂是通过在硅胶或氧化铝等物质表面附着显色试剂的方法制成的。显色试剂遇到被检测气体时会发生特定的反应,而且这种检测试剂具有相当的稳定性。

更新时间:2017-07-13

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1,2-二溴化乙烯BrCH2CH2Br气体检测管166S ETHYLENE DIBROMIDE

1,2-二溴化乙烯BrCH2CH2Br气体检测管166S ETHYLENE DIBROMIDE

Tube No.166S
1. PERFORMANCE
1) Measuring range :1-50 ppm
Number of pump strokes :1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :0.2 ppm
4) Shelf life :1 year (Necessary to store in a refrigerated place ; 0~10℃)
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :White→Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Bromine is produced by an Oxidizer. By reacting between this Bromine and o-Toluidine, Orthoquinone is produced
BrCH2CH2Br+I2O4+CrO3+H2SO4→Br2
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
DETECTOR TUBE
(Olive) (White)
(Orange)
PRETREAT TUBE
PRETREAT REAGENT
50
40
30
30
10
5
1
ppm
100ml
166S ETHYLENE DIBROMIDE
Substance Interference ppm Coexistence
Halogens Similar stain is produced. Higher readings are given.
Halogenated hydrocarbons 〃〃
Hexane FIG.1 aTfhfeec atecdc.uracy of readings is not 200 Lower readings are given.
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 15℃ 20℃ 25℃ 30℃ 35℃
(ppm) (50°F) (59°F) (68°F) (77°F) (80°F) (95°F)
50 - - 82 50 42 39
40 - 80 58 40 35 33
30 98 56 40 30 27 26
20 50 40 30 20 18 18
10 16 14 12 10 10 10
5 7 7 6 5 5 5
1 1 1 1 1 1 1
0
50
60
70
80
40
30
20
10
Hexane〔ppm〕�
FIG.1 Influence of Hexane
Ethylene Dibromide indicating value 〔ppm〕
100 200 300 400 500 600 700

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