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甲乙酮检测管152
点击次数:186发布时间:2012/3/20 10:41:46
更新日期:2012/9/21 14:20:44
所 在 地:其它
产品型号:152
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详细内容
甲乙酮检测管152 Methyl ethyl ketone
的详细介绍甲乙酮检测管152 Methyl ethyl ketone
CH3COC2H5
Performance |
Measuring Range | 0.02 to 0.6% |
Number of PumpStrokes | 2 |
CorrectionFactor | 1 |
Sampling Time | 2 minutes per pumpstroke |
Detecting Limit | 0.002% (n=2) |
Color Change | Orange → Darkgreen |
Reaction Principle | CH3COC2H5 + Cr6+ + H2SO4 + → Cr3+ |
Coefficient ofVariation | 10% (for 0.02 to 0.2%), 5% (for 0.2 to 0.6 %) |
ShelfLife | 3 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 |
Sulfurdioxide | 500ppm | Plus error | Produce greenstain |
Hydrogensulfide | 500ppm | Plus error | Produce darkgreen |
Alcohols, Esters,Ketones | - | Plus error | Produce darkgreen |
Propane | 2000ppm | Yes | Produce darkgreen for whole layer |
Aromatic HCs. | 500ppm | Plus error | Produce darkgreen |
Othersubstance measurable with this detector tube |
Calibration gasgeneration | Static gas dilutionmethod |
TLV-TWA | TLV-STEL | Explosive range |
200ppm | 300ppm | 1.7to 11.4% |