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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>143SB二甲苯C6H4(CH3)2气体测毒管143SB XYLENE 5-200ppm

二甲苯C6H4(CH3)2气体测毒管143SB XYLENE 5-200ppm

简要描述:

二甲苯C6H4(CH3)2气体测毒管143SB XYLENE 5-200ppm,事故现场勘察箱(突发性事故气体快速检测箱) 事故气体快速监测仪,便携式不明气体污染事故监测仪,便携式固液应急检测仪,便携式气体污染事故应急监测仪,突发事件应急检测仪,应急检测气体分析仪,气体应急检测仪,应急气体监测,介绍气体快速定性技术在气态污染物突发性污染事故应急监测中的应用。

更新时间:2017-08-19

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二甲苯C6H4(CH3)2气体测毒管143SB XYLENE 5-200ppm

二甲苯C6H4(CH3)2气体测毒管143SB XYLENE 5-200ppm

1. PERFORMANCE
1) Measuring range :5-200 ppm
Number of pump strokes 2(200mL)
2) Sampling time :3 minutes/2 pump strokes
3) Detectable limit :1 ppm
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 2 pump strokes
8) 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
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
- 80
100
200
- 60
- 40
- 30
- 20
- 10
- 5
ppm
(White)
DEHUMIDIFIER
C6H4 (CH3)2
Tube No.
143SB XYLENE
Substance ppm Interference Coexistence
Toluene Xylene conc.1/5 Same stain is produced. Higher reading are given.
Ethyl acetate The accuracy of readings is
not affected.
Methyl isobutyl ketone 〃
Isobutyl alcohol 〃
TEMPERATURE CORRECTION TABLE
Tube Corrected Concentration (ppm)
Readings 20℃ 30℃ 40℃
(ppm) (68°F) (86°F) (104°F)
200 200 300 -
150 150 190 400
100 100 125 150
80 80 100 120
60 60 70 80
40 40 45 50
30 30 30 30

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