Ethylene 50/a, 50 - 2,500 PPM, (6728051)
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Ethylene 50/a, 50 - 2,500 PPM, Part # 6728051, 10 Tests
Standard Measuring Range: 50 to 2,500 ppm
Number of Strokes n: 3
Time for Measurement: approx. 6 min
Standard Deviation: ± 20 to 30 %
Color Change: yellow blue
Ambient Operating Conditions
Temperature: 15 to 40 °C
Absolute Humidity: < 30 mg H2O / L
CH2=CH2 + Pd-Molybdate complex blue reaction product
Organic compounds with C=C double bonds are indicated, but with different sensitivities. It is impossible to differentiate between them. In the presence of CO, the indicating layer is colored blue depending upon the CO concentration and its exposure time. H2S is indicated by a black color, but with considerably lower sensitivity.