Application Range
Standard Measuring Range: 100 to 4,000 ppm
Number of Strokes n: 10
Time for Measurement: approx. 3 min
Standard Deviation: ± 15 to 20%
Color Change: orange -› green brown
Ambient Operating Conditions
Temperature: 15 to 40°C
Absolute Humidity: 3 to 15 mg H2O / L
Reaction Principle
C2H5-O-C2H5 + CrVI -> CrIII + various oxidation products
Cross Sensitivity
Many petroleum hydrocarbons, alcohols, aromatics and esters are indicated as well, but with different sensitivities. It is not possible to differentiate between them.
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