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产品名称:
汽油检测管101 CnHm Gasoline
产品型号:
101
产品展商:
GASTEC
简单介绍
汽油检测管101 CnHm Gasoline Measuring Range 0.015 to 0.03% 0.03 to 0.6% 0.6 to 1.2% Number of Pump Strokes 2 1 1/2 Correction Factor汽油检测管价格
汽油检测管101 CnHm Gasoline的详细介绍
汽油检测管101 CnHm Gasoline Gasoline No.101 CnHm
Measuring Range | 0.015 to 0.03% | 0.03 to 0.6% | 0.6 to 1.2% | Number of Pump Strokes | 2 | 1 | 1/2 | Correction Factor | 1/2 | 1 | 2 | Sampling Time | 1 minute per pump stroke | Detecting Limit | 0.003% (n = 2) | Color Change | Orange → Dark green | Reaction Principle | CnHm + Cr6++ H2SO4 → Cr3+ | | Coefficient of Variation | 10% (for 0.03 to 0.1 %), 5% (for 0.1 to 0.6 %) | | Shelf Life | 3 Years | Corrections for
temperature & humidity | Unnecessary | | Store the tubes at cool and dark place. |
| Possible coexisting substances and their interferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself | Acetylene | 3% | Yes | Produce dark brown to whole layer | Propane | 0.2% | Yes | Produce dark brown to whole layer
( 2%) | Aromatic HCs | 500 ppm | Plus error | Produce dark green
(5000ppm) | Alcohols, Esters, Ethers | - | Plus error | Produce dark green | Halogenated HCs. | 5000 ppm | Plus error | Produce dark green
(5000ppm) | Hydrogen sulfide | 500 ppm | Plus error | Produce dark green
(5000ppm) | Sulfur dioxide | 500 ppm | Plus error | Produce green
(5000ppm) |
| Other substance measurable with this detector tube |
Substance | Correction | No. of Pump Strokes | Measuring Range | Heptane | Factor: 1.0 | 1/2, 1 or 2 | 0.015 to 1.2% | Isooctane | Factor: 0.9 | 1 | 0.027 to 0.54% | Octane | Factor: 1.2 | 1 | 0.036 to 0.72% |
| Calibration gas generation | Static gas dilution method |
| TLV-TWA | TLV-STEL | Explosive range | | 300ppm | 500ppm | 1.4 to 7.6% |
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