Vinyl Acetate Detection Tubes (5 to 250 ppm)
Gastec Detection Tube No. 143 measures Vinyl Acetate with a Range of 5 to 250 ppm.
- Measuring Range:
- 5 to 10 ppm
- 10 to 100 ppm
- 100 to 250 ppm
- Number of Pump Strokes: 4, 2, 1
- Correction Factor: 1/2, 1, 2.5
- Sampling Time: 30 seconds per pump stroke
- Detecting Limit: 1 ppm (4 pump strokes)
- Changes from White to Brown
- Corrections for temperature & humidity: Unnecessary
- 3 Year Shelf Life
- Reaction Principle: CH3CO2CH:CH2 + C6H3(CH3)3 + H2S2O7 → Condensation Polymer
- Relative Standard Deviation: 15% (for 10 to 20 ppm), 10% (for 20 to 100 ppm)
- Store the tubes at cool and dark place.
Possible coexisting substances and their interferences:
| Substance |
Concentration |
Interference |
Changes color by itself to |
| Aldehydes, Ketones |
|
+ |
Brown |
| Etylene |
≧ 1000 ppm |
+ |
Yellow |
| Vinyl chloride |
≧ 500 ppm |
+ |
Yellow |
Vinyl Acetate Detection Tubes (5 to 250 ppm)
There are no reviews yet.