Hydrogen Chloride (HCL) Detection Tubes (10 to 1000 ppm)
Gastec Detection Tube No. 14M measures Hydrogen Chloride with a Range of 10 to 1000 ppm.
- Measuring Range:
- 10 to 20 ppm
- 20 to 500 ppm
- 500 to 1000 ppm
- Number of Pump Strokes: 2, 1, 1/2
- Correction Factor: 1/2, 1, 2
- Sampling Time: 45 seconds per pump stroke
- Detecting Limit: 2.5 ppm (2 pump strokes)
- Changes from Yellow to Red
- Corrections for temperature & humidity: Unnecessary
- Reaction Principle: HCl + Base → Chloride
- Relative Standard Deviation: 10% (for 20 to 100 ppm), 5% (for 100 to 500 ppm)
- 3 Year Shelf Life
- Store the tubes at cool and dark place.
Possible coexisting substances and their interferences:
| Substance |
Concentration |
Interference |
Changes color by itself to |
| Hydrogen fluoride |
≦ 600 ppm |
No |
Red (≧ 600 ppm) |
| Nitric acid |
≧ 1/10 |
+ |
Red |
| Nitrogen dioxide |
≦ 1/2 |
No |
Red (≧ 500 ppm) |
Hydrogen Chloride (HCL) Detection Tubes (10 to 1000 ppm)
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