Hydrogen Sulfide 2 %/a, 2 - 40 Vol.-%, (8101211) Horiba a) H2 + 1 /2

a) H2 + 1 /2 O2 š H20

level surface for equipment such as the Solinst Model 410 Peristaltic Pump or the 464 Electronic Pump Control Unit

*ORP Probe Optional*

The Geosub 2 Controller is designed specifically for use with Geotech's Geosub 2 Pump

Hydrogen Sulfide 2 %/a, 2 - 40 Vol.-%, (8101211) Horiba a) H2 + 1 /2Hydrogen 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 black Ambient Operating Conditions Temperature: 0 to 40 C Absolute Humidity: 3 to 20 mg H2O L Reaction Principle H2S + Cu2+ CuS + 2 H+ Cross Sensitivity No interference by: 5,000 ppm sulfur dioxide 1,000 ppm hydrochloric