Styrene Detection Tubes (10 to 1500 ppm)
Gastec Detection Tube No. 124 measures Styrene with a Range of 10 to 1500 ppm.
- Measuring Range:
- 10 to 20 ppm
- 20 to 500 ppm
- 500 to 1500 ppm
- Number of Pump Strokes: 2, 1, 1/2
- Correction Factor: 1/2, 1, 3
- Sampling Time: 30 seconds per pump stroke
- Detecting Limit: 1 ppm (2 pump strokes)
- Changes from White to Yellow
- Corrections for temperature & humidity: Unnecessary
- Reaction Principle: C6H5CH:CH2 + H2S2O7 → Condensation Polymer
- Coefficient of Variation: 15% (for 20 to 100 ppm), 10% (for 100 to 500 ppm)
- 3 Year Shelf Life
- Store the tubes in a cool and dark place.
Possible coexisting substances and their interferences:
| Substance |
Concentration |
Interference |
Changes color by itself to |
| Alcohols |
≧ 0.5 % |
+ (Bleaching) |
No |
| Esters |
≧ 0.5 % |
+ (Bleaching) |
No |
| Ketones |
≧ 0.5 % |
+ (Bleaching) |
No |
Styrene Detection Tubes (10 to 1500 ppm)
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