Indicator: 0.2 to 3.0 ppm
Measuring Range:
+ 0.1 to 0.2 ppm, Number of Pump Strokes 2
+ 0.2 to 3.0 ppm, Number of Pump Strokes 1
+ 3.0 to 9.0 ppm, Number of Pump Strokes 1/2
Sampling Time: 1.5 minute per pump stroke
Colour Change: Yellow → Purple
Reaction Principle: Cl2C:CCl2 + PbO2 + H2SO4 → HCl, HCl + Base → Chloride
Coefficient of Variation: 10% (for 0.2 to 1 ppm), 5% (for 1 to 3 ppm)
Nr. of tests: 10
Pump: GV-100S/110S
Catalog
Manual
Manual tube
Performance
| Measuring Range |
| 0.1 to 0.2 ppm |
0.2 to 3.0 ppm |
3.0 to 9.0 ppm |
|
| Number of Pump Strokes |
|
| Correction Factor |
|
| Sampling Time |
1.5 minute per pump stroke |
| Detecting Limit |
0.05 ppm (n=2) |
| Colour Change |
Yellow → Purple |
| Reaction Principle |
Cl2C:CCl2 + PbO2 + H2SO4 → HCl
HCl + Base → Chloride |
| Coefficient of Variation |
10% (for 0.2 to 1 ppm), 5% (for 1 to 3 ppm) |
| Shelf Life |
2 Years |
| Corrections for temperature & humidity |
Temperature correction is necessary |
| Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below. |
Possible coexisting substances and their interferences
(NOTE)
| Substance |
Concentration |
Interference |
Change colour by itself to |
| Hydrogen chloride, Chlorine |
≧ 1/2 time |
+ |
Purple |
| 1,2 Dichloroethylene |
|
+ |
Purple |
| 1,1,1-Trichloroethane |
≦ 80 ppm |
No |
No (≦ 80 ppm) |
| Toluene, Xylene |
|
No |
No |
| Calibration gas generation |
Diffusion tube method |
| TLV-TWA |
TLV-STEL |
Explosive range |
| 25 ppm |
100 ppm |
- |
