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首頁>產(chǎn)品中心>日本光明北川式氣體檢測管>氣體快速檢測管>143SA二甲苯C6H4(CH3)2氣體檢測管143SA XYLENE 5-1000ppm

二甲苯C6H4(CH3)2氣體檢測管143SA XYLENE 5-1000ppm

簡要描述:

二甲苯C6H4(CH3)2氣體檢測管143SA XYLENE 5-1000ppm,本發(fā)明的快速環(huán)境空氣檢測儀,包括采樣器。密封管體兩端去掉封熔點(diǎn)后的一端與采樣器的檢測管插口連接。采樣器可以采用真空吸入式手動采樣器,也可采用多通道氣體采樣器。本發(fā)明能夠?qū)Νh(huán)境中多種低濃度氣體進(jìn)行檢測,適合于*、*、廠礦處理突發(fā)事件時,對環(huán)境空氣進(jìn)行快速檢測。*軍事醫(yī)學(xué)科學(xué)院衛(wèi)生學(xué)環(huán)境醫(yī)學(xué)研究所監(jiān)制

更新時間:2024-12-19

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二甲苯C6H4(CH3)2氣體檢測管143SA XYLENE 5-1000ppm

二甲苯C6H4(CH3)2氣體檢測管143SA XYLENE 5-1000ppm

Tube 43SA
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+I(xiàn)2O5+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.