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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>157SA1-溴丙烷气体检测管 1-Bromopropane正溴丙烷CH3CH2CH2Br 10-500ppm

1-溴丙烷气体检测管 1-Bromopropane正溴丙烷CH3CH2CH2Br 10-500ppm

简要描述:

157SA METHYL BROMIDE (+) 1-溴丙烷气体检测管 1-Bromopropane正溴丙烷CH3CH2CH2Br 10-500ppm,据我们调研,在环境保护组织和劳动安全行业已经制订了检测管使用的相应法律法规措施,气体检测管成为一种必不可少的环境监测的安全工具。适用范围、特点及其品种,适用范围在煤矿和石油化工行业,大多存在可燃性易爆气体、有毒气体及窒息性气体,使用检测管可以快速准确地检测空气中有毒有害气体。检测管广泛用于生产设备动火前和进入密闭设备前的安全分析5-80ppm

更新时间:2017-07-06

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1-溴丙烷气体检测管 1-Bromopropane正溴丙烷CH3CH2CH2Br 10-500ppm

1-溴丙烷气体检测管 1-Bromopropane正溴丙烷CH3CH2CH2Br 10-500ppm 5-80ppm

1. PERFORMANCE
1) Measuring range :10-500ppm
Number of pump strokes 1(100ml)
2) Sampling time :2 minutes/1 pump stroke
3) Detectable limit :1 ppm
4) Shelf life :3 years(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→Reddish orange
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
By decomposing with an Oxidizer, Bromine is produced. Bromine reacts with o-Toluidine and red Orthoquinone
is produced.
CH3Br+I2O5+CrO3+H2SO4→Br2
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
10
30
50
100
150
200
300
400
500
ppm
100ml
GAS To pump
(Brown) (White)
PRETREAT TUBE DETECTOR TUBE
Tube No.
157SA METHYL BROMIDE
Substance ppm Interference ppm Coexistence
Chlorine 1 Similar stain is produced. 1 Higher readings are given.
Bromine 1 〃1 〃
Nitrogen dioxide 1 〃1 〃
Dichloromethane 500 〃500 〃
Chloroform 50 〃50 〃
Ethylene dibromide 50 〃50 〃
Trichloroethylene 50 〃50 〃
Tetrachloroethylene 50 〃50 〃
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 5℃ 10℃ 15℃ 20℃ 30℃ 40℃
(ppm) (32°F) (41°F) (50°F) (59°F) (68°F) (86°F) (104°F)
500 - - - 620 500 430 390
400 - - 630 475 400 360 325
300 - 675 430 345 300 280 260
200 580 320 235 210 200 190 175
150 260 185 160 150 150 140 130
100 120 110 100 100 100 95 90
50 50 50 50 50 50 50 50
www.r-biopharm.com.cn
www.r-biopharm.com.cn

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