Ethylene Oxide 25/a, 25 - 500 PPM, Part # 6728241, 10 Tests

Application Range

Standard Measuring Range: 25 to 500 ppm

Number of Strokes n: 30

Time for Measurement: approx. 6 min

Standard Deviation: ± 20 to 30 %

Color Change: pale yellow š turquoise green

Ambient Operating Conditions

Temperature: 15 to 30 °C

Absolute Humidity: 3 to 15 mg H2O / L

Reaction Principle

Ethylene oxide + CrVI š CrIII + various oxidation products

Cross Sensitivity

Alcohols, esters and aldehydes are also indicated, but with different sensitivities. It is impossible to differentiate between them. Propylene oxide is also indicated, but with a different sensitivity. Ethylene, ketones and toluene in the TLV range do not interfere.