Indicator: 1 to 10 ppm
Measuring Range:
+ 0.5 to 10 ppm, Number of Pump Strokes 3
+ 10 to 43 ppm, Number of Pump Strokes 1
Sampling Time: 1.5 minute per pump stroke
Colour Change: Yellow → Pale bluish purple
Reaction Principle: C6H5Cl+ PbO2 + H2SO4 → HCl, HCl + Base → Chloride
Coefficient of Variation: 10% (for 0.5 to 2 ppm), 5% (for 2 to 10 ppm)
Nr. of tests: 10
Pump: GV-100S/110S
Catalog
Manual
Performance
| Measuring Range |
| 0.5 to 10 ppm |
10 to 43 ppm |
|
| Number of Pump Strokes |
|
| Correction Factor |
|
| Sampling Time |
1.5 minutes per pump stroke |
| Detecting Limit |
0.2 ppm (n=3) |
| Colour Change |
Yellow → Pale bluish purple |
| Reaction Principle |
C6H5Cl+ PbO2 + H2SO4 → HCl
HCl + Base → Chloride |
| Coefficient of Variation |
10% (for 0.5 to 2 ppm), 5% (for 2 to 10 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 |
| Chlorine, Hydrogen chloride, Trichloroethylene, Tetrachloroethylene |
|
+ |
Pale bluish purple |
| Calibration gas generation |
Diffusion tube method |
| TLV-TWA |
TLV-STEL |
Explosive range |
| 10 ppm (2014) |
- |
1.3 to 9.6% |
