Hydrogen cyanide |
NO.12TP |
| HCN |  |
 |
This detector tube is only to be used with automatic gas sampler GSP-300FT-2 |
Specifications
| Calibration Range | 0.3 - 4.5 ppm |
| Measuring range | 0.3 - 9.0 ppm |
| Sampling (flow) Rate | 100mL/min , 50mL/min |
| Sampling Volume | 1000mL , 500mL |
| Sampling Time | 10min |
| Detecting Limit | 0.05ppm (1000mL) |
| Colour Change | Yellow → Pink |
| Corrections for temperature/humidity | Unnecessary for 5 to 40ºC Unnecessary for R.H.0 to 90% |
| Shelf life | 1 years |
Possibly coexisting substances and their interferences (NOTE)
| Substance(s) | Interference | Colour change by itself |
| Ammonia |  1ppm |
 |
No |
| Hydrogen Chloride | 1ppm |
+ | Pink |
| Nitric Acid | 2ppm |
+ | Pink |
| Sulphur Dioxide | + | Pink | |
| Nitrogen Dioxide | 3ppm |
+ | Pale Pink |
| Hydrogen Fluoride | 2ppm |
+ | Pink |
| Hydrogen Sulphide | + | Pink | |
| Carbon Monoxide | No | No | |
| Carbon Dioxide | No | No |
| Calibration gas generation | Permeation tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| -- | C4.7 ppm |
5.6 to 40% |
