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简单介绍：
异丙醇检测管113L Isopropyl alcoholMeasuring Range 25 to 50 ppm 50 to 800 ppm Number of Pump Strokes 2 1 Correction Factor 1/2 1 Sampling Time 3 minutes，异丙醇检测管113L Isopropyl alcohol
详情介绍：
异丙醇检测管113L Isopropyl alcohol
Isopropyl alcohol No.113L
CH3CH(OH)CH3(i-C3H7OH)
| Performance |
MeasuringRange | 25 to 50 ppm | 50 to 800 ppm |
Number of PumpStrokes | 2 | 1 |
CorrectionFactor | 1/2 | 1 |
SamplingTime | 3 minutes per pumpstroke | |
DetectingLimit | 5 ppm (n=2) | |
Color Change | Pink → Paleblue | |
Reaction Principle | C2H5OH + Cr6++ H2SO4 →Cr3+ | |
| Coefficient ofVariation | 15% (for50 to 200 ppm), 10% (for 200 to 800 ppm) | |
| ShelfLife | 3Years | |
| Correctionsfor temperature & humidity | Temperature correction is necessary | |
| Store the tubes at cool and darkplace. | ||
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Alcohols | - | Plus error | Produce similar stainby themselves. |
| Othersubstance measurable with this detector tube |
Substance | Correction Factor | Pump Strokes | Measuring Range |
Divinylmethoxysilane | 0.05 | 2 | 2.5 to 40 ppm |
Ethylene glycolMEE | 1.25 | 2 | 62.5 to 1000ppm |
Ethylene glycolMEEAc | 0.12 | 3 | 6 to 96 ppm |
1-Methoxy-2-propanol | 1.0 | 4 | 50 to 800 ppm |
Propylalcohol | 1.3 | 1 | 65 to 1040 ppm |
Vinyltrimethoxysilane | 0.05 | 2 | 2.5 to 40 ppm |
| Ethylene glycol MBE | by scale | 2 | 30 to 1000ppm |
| Ethylene glycol MME | by scale | 2 | 15 to 900 ppm |
Ethylene glycolMMEAc | by scale | 2,4 | 20 to1300ppm |
| Calibration gasgeneration | Diffusion tube method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 400ppm | 500ppm | 2 to12.7% |