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首頁>產品中心>日本光明北川式氣體檢測管>氣體快速檢測管>166S1,2-二溴化乙烯BrCH2CH2Br氣體檢測管166S ETHYLENE DIBROMIDE

1,2-二溴化乙烯BrCH2CH2Br氣體檢測管166S ETHYLENE DIBROMIDE

簡要描述:

1,2-二溴化乙烯BrCH2CH2Br氣體檢測管166S ETHYLENE DIBROMIDE 1-50ppm 二溴乙烷檢測管Ethylene dibromide 1-50ppm,檢測試劑是通過在硅膠或氧化鋁等物質表面附著顯色試劑的方法制成的。顯色試劑遇到被檢測氣體時會發生特定的反應,而且這種檢測試劑具有相當的穩定性。

更新時間:2025-07-16

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1,2-二溴化乙烯BrCH2CH2Br氣體檢測管166S ETHYLENE DIBROMIDE

1,2-二溴化乙烯BrCH2CH2Br氣體檢測管166S ETHYLENE DIBROMIDE

Tube 66S
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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