产品分类
PRODUCT CENTER
联系我们
销售电话:时经理
18121126516
021-64835787
产品详情
简单介绍:
醋酸异丁酯检测管144 Isoamyl acetate,Measuring Range 10 to 300 ppm Number of Pump Strokes 2 Correction Factor 1 Sampling Time 4 minutes per pump stroke Detecting Limit 2 ppm (n=2) Color Change
详情介绍:
醋酸异丁酯检测管144 Isoamyl acetate
Isoamyl acetate No.144
CH3CO2(CH2)2CH(CH3)2(i-CH3CO2C5H11)
Performance |
MeasuringRange | 10 to 300 ppm |
Number of PumpStrokes | 2 |
CorrectionFactor | 1 |
SamplingTime | 4 minutes per pumpstroke |
DetectingLimit | 2 ppm (n=2) |
ColorChange | Yellow → Blackishbrown → Pale blue after few minutes |
ReactionPrinciple | CH3CO2CH2CH(CH3)2 + Cr6+ + H2SO4 → Cr3+ |
Coefficient ofVariation | 15% (for 10 to 100ppm), 10% (for 100 to 300 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 blackishbrown |
Ketones | - | Plus error | Produce blackishbrown |
Esters | - | Plus error | Produce blackishbrown |
Othersubstance measurable with this detector tube |
Calibration gasgeneration | Diffusion tubemethod |
TLV-TWA | TLV-STEL | Explosive range |
150ppm | - | 1.3 to 10.5% |