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甲基苯乙烯CH3C6H4CH=CH2气体检测管193S METHYL STYRENE 10-500ppm
Tube 93S
1. PERFORMANCE
1) Measuring range :10-500 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :1 ppm
4) Shelf life :3 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 :White→Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:15% RSD-high:15%
3. CHEMICAL REACTION
A polymer of Styrene is produced by Sulphuric acid.
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
10
30
50
100
200
300
400
500
ppm
GAS To pump
193S METHYL STYRENE
Substance Interference Coexistence
Alcohols The accracy of readings is not The accracy of readings is not
affected. affected.
Esters 〃〃
Aromatic hydrocarbons 〃〃
Halogenated hydrocarbons 〃〃
Aliphatic hydrocarbons 〃〃
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
500 300 380 500 680 850
400 270 320 400 560 730
300 210 250 300 390 500
200 140 160 200 250 300
100 70 80 100 130 150
50 30 40 50 70 80
30 17 24 30 40 54
10 4 60 10 12 18