Methyl Ethyl Ketone (MEK) Detection Tubes (10 to 384 ppm)
Gastec Detection Tube No. 152L measures Methyl Ethyl Ketone with a Range of 10 to 384 ppm.
- Measuring Range: 10 to 120 ppm, 120 to 384 ppm
- Number of Pump Strokes: 1, 1/2
- Correction Factor: 1, 3.2
- Sampling Time: 2 minutes per pump stroke
- Detecting Limit: 3 ppm (1 pump stroke)
- Changes from Yellow to Reddish Purple
- Corrections for temperature & humidity: Temperature correction is necessary
- Reaction Principle: 3CH3COC2H5 + (NH2OH)3H3PO4 → H3PO4
- Relative Standard Deviation: 5% (for 10 to 120 ppm)
- 2 Year Shelf Life (in the refrigerator)
- Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below.
- Comes in a Box of of 5 pre tubes and 5 detector tubes
Possible coexisting substances and their interferences:
| Substance |
Concentration |
Interference |
Changes color by itself to |
| Acetaldehyde |
|
+ |
Reddish purple |
| Acetone |
|
+ |
Reddish purple |
| Acetic acid |
|
No |
No |
| Ethyl acetate |
|
+ |
No |
| Diethyl ether |
≧ 20 ppm |
+ |
No |
| Trichloroethylene |
|
No |
No |
| Toluene |
|
No |
No |
| Hexane |
|
No |
No |
| Methanol |
≧ 50 ppm |
+ |
No |
Methyl Ethyl Ketone (MEK) Detection Tubes (10 to 384 ppm)
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