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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>143SA二甲苯C6H4(CH3)2气体检测管143SA XYLENE 5-1000ppm

二甲苯C6H4(CH3)2气体检测管143SA XYLENE 5-1000ppm

简要描述:

二甲苯C6H4(CH3)2气体检测管143SA XYLENE 5-1000ppm,本发明的快速环境空气检测仪,包括采样器。密封管体两端去掉封熔点后的一端与采样器的检测管插口连接。采样器可以采用真空吸入式手动采样器,也可采用多通道气体采样器。本发明能够对环境中多种低浓度气体进行检测,适合于*、*、厂矿处理突发事件时,对环境空气进行快速检测。中国人民解放军军事医学科学院卫生学环境医学研究所监制

更新时间:2017-09-27

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二甲苯C6H4(CH3)2气体检测管143SA XYLENE 5-1000ppm

二甲苯C6H4(CH3)2气体检测管143SA XYLENE 5-1000ppm

Tube No.143SA
1. PERFORMANCE
1) Measuring range :5-1,000 ppm
Number of pump strokes 2(200ml)
2) Sampling time :4 minutes/2 pump strokes
3) Detectable limit :2 ppm
4) Shelf life :1.5 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 2 pump strokes
7) Colour change :White→Brown
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Iodine pentoxide is reduced.
C6H4(CH3)2+I2O5+H2SO4→I2
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
800
400
600
1000
200
100
50
25
10
5
ppm
143SA XYLENE
Substance Interference ppm Coexistence
Benzene Similar stain is produced. 5 Higher readings are given.
Toluene 〃5 〃
Methyl alcohol Tafhfeec atecdc.uracy of readings is not 1% 〃
Hexane Pale brown stain is produced. 0.1% The top of discoloured layer becomes
unclear and higher readings are given.

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