Gastec 151D Passive Dosl Tubes Acetone CH3COCH3 (5 ~ 1500 ppm )
Manufacturer: Gastec Model: 151D - Contact
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Indicator: 5 ~ 1500 ppm
Measuring Range: 5 ~ 1500 ppm
Sampling Hours: 1 to 10 hours
Colour Change: Yellow → Reddish Brown
Reaction Principle: CH3COCH3 + (NH2OH)3H3PO4 → H3PO4, H3PO4 + Base → Phosphate
Coefficient of Variation: 10% (for 50 to 1500 ppm-hr)
Nr. of tests: 10
Details
Performance
| Measuring Range | 5 to 1500 ppm |
| Sampling Hours | 1 to 10 hours |
| Detecting Limit | 5 ppm (10 hours) |
| Colour Change | Yellow → Reddish Brown |
| Reaction Principle | CH3COCH3 + (NH2OH)3H3PO4 → H3PO4 H3PO4 + Base → Phosphate |
| Coefficient of Variation | 10% (for 50 to 1500 ppm-hr) |
| Shelf Life | 2 Years |
| Corrections for temperature & humidity | Temperature correction is necessary |
| Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below. | |
Possible coexisting substances and their interferences (NOTE)
| Substance | Concentration | Interference | Change colour by itself to |
| Aldehydes,Ketones | + | Reddish brown | |
| Acid gases | + | Reddish brown (Unclear demarcation) |
Other substance measurable with this detector tube
| Substance | Correction Factor | Measuring Range |
| Methyl ethyl ketone | 1.3 | 6.5 to 1950 ppm |
| Methyl isobutyl ketone | 2.3 | 11.5 to 3450 ppm |
| Acetaldehyde | 0.8 | 4 to 1200 ppm |
| Calibration gas generation | Diffusion tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 500 ppm (2014) | 750 ppm (2014) | 2.1 to 13% |
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