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二甲苯C6H4(CH3)2氣體測毒管143SB XYLENE 5-200ppm,事故現(xiàn)場勘察箱(突發(fā)性事故氣體快速檢測箱) 事故氣體快速監(jiān)測儀,便攜式不明氣體污染事故監(jiān)測儀,便攜式固液應(yīng)急檢測儀,便攜式氣體污染事故應(yīng)急監(jiān)測儀,突發(fā)事件應(yīng)急檢測儀,應(yīng)急檢測氣體分析儀,氣體應(yīng)急檢測儀,應(yīng)急氣體監(jiān)測,介紹氣體快速定性技術(shù)在氣態(tài)污染物突發(fā)性污染事故應(yīng)急監(jiān)測中的應(yīng)用。
更新時間:2024-12-19
在線留言二甲苯C6H4(CH3)2氣體測毒管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
上一篇:143SA二甲苯C6H4(CH3)2氣體檢測管143SA XYLENE 5-1000ppm
下一篇:190U1,1,2,2-四溴乙烷CHBr2CHBr2氣體檢測管190U 4-100ppm
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