甲基環己烷C6H11CH3氣體檢測管113SB METHYL CYCLOHEXANE 100-1600ppm

Tube 13SB

1. PERFORMANCE
1） Measuring range ：50-1,400 ppm
Number of pump strokes 1（100ml）
2） Sampling time ：1.5 minutes/1 pump stroke
3） Detectable limit ：5 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 1 pump stroke
8） Colour change ：Orange→Yellowish green
2. RELATIVE STANDARD DEVIATION
RSD-low：10％　RSD-mid.：5％　RSD-high：5％
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3（CH2）4CH3＋Cr6＋＋H2SO4→Cr3＋
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
1400
1200
1000
800
600
400
200
100
50
ppm
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113SB n-HEXANE
Substance Interference Coexistence
Aromatic hydrocarbons FIG.1,2 Black stain is produced. Higher readings are given.
Paraffin （morefi nth haynd Cro3c）arbons Similar stain is produced. 〃
In presence of Alcohols, Ketones or Esters less than 6％, the accuracy of readings is not affected.
0
500
　Benzene〔ppm〕?
FIG.1 Influence of Benzene
n-Hexane indicating value 〔ppm〕
50 100 0
500
　Toluene〔ppm〕?
FIG.2 Influence of Toluene
n-Hexane indicating value 〔ppm〕 100 150 50
TEMPERATURE CORRECTION TABLE
Scale True Concentration （ppm）
Readings 0℃ 10℃ 20℃ 30℃ 40℃
（ppm） （32°F） （50°F） （68°F） （86°F） （104°F）
1,400 1,730 1,530 1,400 1,270 1,180
1,200 1,470 1,320 1,200 1,090 1,010
1,000 1,230 1,100 1,000 910 840
800 980 870 800 720 670
600 740 660 600 550 500
400 470 430 400 360 330
200 220 210 200 180 170
100 100 100 100 100 100