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简单介绍：
苯酚检测管60 Phenol C6H5OHMeasuring Range 0.4 to 1 ppm 1 to 25 ppm 25 to 62.5 ppm 62.5 to 187ppm，氯乙烯检测管131LB Vinyl chloride，醋酸乙烯酯检测管143 Vinyl acetate，三氯乙烯检测管132M Trichloroethylene，甲苯气体检测管122 Toluene
详情介绍：
苯酚检测管60 Phenol C6H5OH
Phenol No.60
Phenol No.60
C6H5OH
| Performance |
Measuring Range | 0.4 to 1 ppm | 1 to 25 ppm | 25 to 62.5 ppm | 62.5 to 187ppm |
Number of PumpStrokes | 4 | 2 | 1 | 1/2 |
Correction Factor | 0.4 | 1 | 2.5 | 7.5 |
Sampling Time | 1.5 minutes per pumpstroke | |||
Detecting Limit | 0.1 ppm (n =4) | |||
Color Change | Pale yellow →Gray | |||
Reaction Principle | C6H5OH + Ce(NO3)62- → C6H5OCe(NO3)5N | |||
| Coefficient ofVariation | 15% (for1 to 5 ppm), 10% (for 5 to 25 ppm) | |||
| ShelfLife | 2Years | |||
| Correctionsfor temperature & humidity | Temperature correction is necessary | |||
| Store the tubes inthe refrigerator to keep at 10oC (50oF) orbelow. | ||||
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Ammonia | 2000 ppm | Pluserror | Produce whitestain |
Amines | 2000 ppm | ||
Cresol | - | Plus error | Produce graystain |
| Othersubstance measurable with this detector tube |
Substance | Correction Factor | Pump Strokes | Measuring Range |
Naphthalene | by Scale | 2 | 0.5 to 14ppm |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 5ppm | - | 3 to 10 % |