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醋酸芐基气体检测管147 Amtyl acetate，醋酸芐基气体检测管147气体检测管 Amtyl acetate CH3CO2(CH2)4CH3(CH3CO2C5H11，Measuring Range 10 to 200 ppm Number of Pump Strokes 2 Correction Factor 1 Sampling Time 4 minutes，醋酸芐基气体检测管价格
详情介绍：
醋酸芐基气体检测管147 Amtyl acetate
Amtyl acetate No.147
CH3CO2(CH2)4CH3(CH3CO2C5H11)
| Performance |
MeasuringRange | 10 to 200 ppm |
Number of PumpStrokes | 2 |
CorrectionFactor | 1 |
SamplingTime | 4 minutes per pumpstroke |
DetectingLimit | 2 ppm (n=2) |
ColorChange | Yellow → Paleblue |
ReactionPrinciple | CH3CO2(CH2)4CH3 + Cr6+ + H2SO4 → Cr3+ |
| Coefficient ofVariation | 15% (for 10 to 50ppm), 10% (for 50 to 200 ppm) |
| ShelfLife | 2 Years |
| 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 paleblue |
Ketones | - | Plus error | Produce paleblue |
Esters | - | Plus error | Produce paleblue |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 100ppm | - | 1.1 to 7.5% |