Styrene Detection Tubes (2 to 100 ppm)
Gastec Detection Tube No. 124L measures Styrene with a Range of 2-100 ppm.
- Measuring Range: 2 to 25 ppm, 25 to 100 ppm
- Number of Pump Strokes: 4, 1
- Correction Factor: 1, 4
- Sampling Time: 30 seconds per pump stroke
- Changes from White to Yellow
- Corrections for temperature & humidity: Unnecessary
- Reaction Principle: C6H5CH:CH2 + H2S2O7 → Condensation Polymer
- Relative Standard Deviation: 10% (for 2 to 5 ppm), 5% (for 5 to 25 ppm)
- 3 Year Shelf Life
- Store the tubes at cool and dark place.
Possible coexisting substances and their interferences:
| Substance |
Concentration |
Interference |
Changes color by itself to |
| Butadiene |
≧ 5 ppm |
+ (Bleaching) |
Blackish brown |
| Alcohols |
≧ 10 times |
+ (Bleaching) |
No |
| Aldehydes |
≧ 10 times |
+ (Bleaching) |
No |
| Esters |
≧ 10 times |
+ (Bleaching) |
No |
| Ketones |
≧ 10 times |
+ (Bleaching) |
No |
Other substance measurable with this detector tube:
| Substance |
Correction Factor |
No. of Pump Strokes |
Measuring Range
(ppm) |
| Divinyl benzene |
0.6 |
3 |
1 to 15 |
Styrene Detection Tubes (2 to 100 ppm)
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