| Measuring Range |
0.2 to 7 ppm |
| Number of Pump Strokes |
2 |
| Correction Factor |
1 |
| Sampling Time |
2 minutes per pump stroke |
| Detecting Limit |
0.05 ppm (n=2) |
| Colour Change |
Yellow → Pink |
| Reaction Principle |
2HCN + HgCl2 → Hg(CN)2 + 2HCl
HCl + Base → Chloride product |
| Coefficient of Variation |
10% (for 0.2 to 2 ppm), 5% (for 2 to 7 ppm) |
| Shelf Life |
2 Years |
| Corrections for temperature & humidity |
Humidity correction is necessary |
| Store the tubes at cool and dark place. |
Gastec Tubes and
Sampling Pump
