Phenol Detection Tubes (0.4 to 187 ppm)
Gastec Detection Tube No. 60 measures Phenol with a Range of 0.4 to 187 ppm.
- Measuring Range:
- 0.4 to 1 ppm
- 1 to 25 ppm
- 25 to 62.5 ppm
- 2.5 to 187 ppm
- Number of Pump Strokes: 4, 2, 1, 1/2
- Correction Factor: 0.4, 1, 2.5, 7.5
- Sampling Time: 1.5 minutes per pump stroke
- Detecting Limit: 0.1 ppm (4 pump strokes)
- Changes from Pale Yellow to Gray
- Corrections for temperature & humidity: Temperature correction is necessary
- Reaction Principle: C6H5OH + Ce(NO3)62- → C6H5OCe(NO3)5N
- Relative Standard Deviation: 15% (for 1 to 5 ppm), 10% (for 5 to 25 ppm)
- 2 Year Shelf Life (in the refrigerator)
- Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below.
Possible coexisting substances and their interferences:
| Substance |
Concentration |
Interference |
Changes color by itself to |
| Cresol |
|
+ |
Gray |
| Amines |
≧ 2000 ppm |
+ (Unclear Demarcation) |
White |
| Ammonia |
≧ 2000 ppm |
+ (Unclear Demarcation) |
White |
Other substance measurable with this detector tube:
| Substance |
Correction Factor |
No. of pump strokes |
Measuring Range |
| Naphthalene |
by Scale |
2 |
0.5 to 14 ppm |
Phenol Detection Tubes (0.4 to 187 ppm)
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