| Hydrogen chloride | HCl | NO.14L |
|
|
||
| Performance |
|
Measuring Range |
0.2 to 1 ppm |
1 to 20 ppm |
20 to 76 ppm |
|
Number of Pump Strokes |
2 to 5 |
1 |
1/2 |
|
Correction Factor |
1/2 to 1/5 |
1 |
3.8 |
|
Sampling Time |
1 minute per pump stroke |
||
|
Detecting Limit |
0.05 ppm (n=5) |
||
|
Color Change |
Yellow |
||
|
Reaction Principle |
Hydrogen chloride reacts with indicator to produce pink stain. |
||
| Coefficient of Variation | 10% (for 1 to 5 ppm), 5% (for 5 to 20 ppm) | ||
| Shelf Life | 3 Years | ||
| Corrections for temperature & humidity |
Unnecessary | ||
| Store the tubes at cool and dark place. | |||
| Possible coexisting substances and their interferences | (NOTE) |
|
Substance |
Concentration |
Interference |
Change color by itself |
|
Chlorine |
1/2 |
Plus error |
Produces pink stain |
|
Nitric Acid |
1/10 |
Plus error |
Produces pink stain |
|
Sulfur dioxide |
10 times |
Plus error |
Produces pink stain |
|
Nitrogen dioxide |
5 times |
Plus error |
Produces pink stain |
| Calibration gas generation | High pressure gas cylinder method | |
| TLV-TWA | TLV-STEL | Explosive range |
| - | C 5ppm | - |
|
|
| Copyright(c) 2001 GASTEC CORPORATION. All rights reserved. |
Pink
Chemical reaction compound