| Measuring Range |
| 7 to 20 ppm |
20 to 300 ppm |
300 to 900 ppm |
|
| Number of Pump Strokes |
|
| Correction Factor |
|
| Sampling Time |
45 seconds per pump stroke |
| Detecting Limit |
0.5 ppm (n=2) |
| Colour Change |
Yellow → Reddish purple |
| Reaction Principle |
Cl2C:CCl2 + PbO2 + H2SO4 → HCl
HCl + Base → Chloride |
| Coefficient of Variation |
10% (for 20 to 100 ppm), 5% (for 100 to 300 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. |
