Dimethyl Sulphide Detection Tubes (0.25 to 10 ppm)
Gastec Detection Tube No. 53 measures Dimethyl Sulfide with a Range of 0.15 to 10 ppm.
- Measuring Range: 0.15 to 0.5 ppm, (0.5) to 10 ppm
- Number of Pump Strokes: 5 (500 ml), 3 (300 ml)
- Correction Factor: 0.3, 1
- Sampling Time: 7.5 minutes, 4.5 minutes
- Detecting Limit: 0.15 ppm (5 pump strokes)
- Changes from Bluish Purple to White
- Corrections for temperature & humidity: Temperature correction is necessary
- 2 Year Shelf Life
- Comes in a Box of 5 detector tubes and 5 pre tubes
- Reaction Principle:
- Pyrotec: (CH3)2S → SO2
- Pyrotube: SO2 + I2 + 2H2O → 2Hl + H2SO4
Possible coexisting substances and their interferences:
| Substance |
Concentration |
Interference |
Changes color by itself to |
| Hydrogen sulfide |
≧ 70 ppm |
+ |
White |
| Methyl mercaptan |
≧ 40 ppm |
+ |
White |
| Sulfur dioxide |
|
+ |
White |
Substance measurable with this Pyrotube:
| Substance |
Number of Pump Strokes |
Correction Factor |
Measuring Range
(ppm) |
| Dimethyl disulfide |
3 |
0.6 |
0.3 to 6 |
Dimethyl Sulphide Detection Tubes (0.25 to 10 ppm)
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