丙酮?dú)怏w檢測(cè)管151D CH3COCH3,Measuring Range 5 to 1500 ppm Sampling Hours 1 to 10 hours Detecting Limit 5 ppm (10 hours)丙酮?dú)怏w檢測(cè)管價(jià)格
丙酮?dú)怏w檢測(cè)管151D CH3COCH3
Acetone 51D
Performance |
Measuring Range | 5 to 1500 ppm |
Sampling Hours | 1 to 10 hours |
Detecting Limit | 5 ppm (10hours) |
Color Change | Yellow → ReddishBrown |
Reaction Principle | CH3COCH3 + (NH2OH)3H3PO4 → H3PO4 |
Coefficient ofVariation | 10%(for 50 to 1500 ppm-hr) |
ShelfLife | 2 Year |
Correctionsfor temperature & humidity | Temperature correction isnecessary |
Store the tubes inthe refrigerator to keep at 10ºC (50ºF) orbelow. |
Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Interference | Change colour byitself to |
Aldehydes,Ketones | + | Reddish brown |
Acid gases | + | Reddish brown |
Othersubstance measurable with this detectortube |
Substance | CorrectionFactor |
| MeasuringRange |
Methyl ethylketone | 1.3 |
| 0.5 to 1950ppm |
Methyl isobutylketone | 2.3 | 11.5 to 3450ppm | |
Acetaldehyde | 0.8 | 4 to 1200ppm |
Calibration gasgeneration | Diffusion tubemethod |
TLV-TWA | TLV-S | Explosive range |
500 ppm | 750ppm | 2.1to 13% |