Hydrogen Sulfide 2 %/a, 2 - 40 Vol.-%, Part # 8101211, 10 Tests 

Application Range

Standard Measuring Range: 2 to 40 vol. %

Number of Strokes n: 1

Time for Measurement: approx. 1 min

Standard Deviation: ± 5 to 10 %

Color Change: pale blue š black

Ambient Operating Conditions

Temperature: 0 to 40 °C

Absolute Humidity: 3 to 20 mg H2O / L

Reaction Principle

H2S + Cu2+ š CuS + 2 H+

Cross Sensitivity

No interference by:

5,000 ppm sulfur dioxide

1,000 ppm hydrochloric acid

1,000 ppm ethyl mercaptan