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简单介绍：
异丙醇检测管113 Isopropyl alcohol，Measuring Range 0.02 to 0.04% 0.04 to 2.5% 2.5 to 5.0%，CO/CO2检测仪，氧气检测仪，硫化氢检测仪，VOC检测仪，多气体检测仪，甲醛检测仪，可燃气体检测，氨气检测仪，氯化氢检测仪，苯检测仪，环氧乙烷检测，测氡仪，臭氧检测仪，氯气检测仪
详情介绍：
异丙醇检测管113 Isopropyl alcohol
Isopropyl alcohol No.113
CH3CH(OH)CH3
(i-C3H7OH)
| Performance |
Measuring Range | 0.02 to 0.04% | 0.04 to 2.5% | 2.5 to 5.0% |
Number of Pump Strokes | 2 | 1 | 1/2 |
Correction Factor | 1/2 | 1 | 2 |
Sampling Time | 3 minutes per pumpstroke | ||
Detecting Limit | 0.004% (n=2) | ||
Color Change | Pink → PaleBlue | ||
Reaction Principle | (CH3)2CHOH + Cr6+ + H2SO4 →Cr3+ | ||
| Coefficient ofVariation | 15% (for 0.04 to 0.5%), 10% (for 0.5 to 2.5 %) | ||
| 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 byitself |
Otheralcohols | - | Plus error | Produce similar stainby themselves |
Carbondioxide | - | No effect | Nodiscoloration |
Carbonmonoxide | - | No effect | Nodiscoloration |
| Othersubstance measurable with this detector tube |
Substance | CorrectionFactor | No. of pump stroke | MeasuringRange |
Propyl alcohol | 1 | 1 | 0.04 to 2.5ppm |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 400ppm | 500ppm | 2 to12.7% |