Performance |
Measuring Range | 2 to 600 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 20 to 600 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 | + | Reddish brown |
Ketones | + | Reddish brown |
Acid gases | + | Reddish brown |
Othersubstance measurable with this detectortube |
Substance | CorrectionFactor |
| MeasuringRange |
Acetone | 0.7 |
| 1.4 to 420 ppm |
Methyl isobutylketone | 2.0 | 4 to 1200 ppm | |
Acetaldehyde | 0.6 | 1.2 to 360ppm |