ECH Elektrochemie Halle GmbH

ECH Elektrochemie Halle GmbH

Model H2S - Analysator



The H2S-Analysator creates the opportunity for analysis of hydrogen sulfide in gases and liquids in only one device.

The determination of total volatile sulfides in aqueous solutions and oils works through high efficient gas extraction linked with a selective detection method. Thereby, interferences from the sample matrix will be minimized.

The analysis is performed fast and with high efficiency. Sample preparation is not required, therefore the reproducibility and the accuracy enhance additionally. The dosing of the sample can either happen manually using syringe or optionally using an automated autosampler.

  • Dosing of the sample via syringe or autosamplern the gas extracting vessel
  • Fast release of the gas out of the sample after automatic addition of the acid
  • Automatic transfer of the gas onto the electrochemical sensor
  • Automatic integration of the measurement graph
  • Results in parts per million (ppm), milligrams (mg) or, if requested, in customer specific units by using a formula creator

  • Measuring range:0,01 – 10.000 ppm
  • Resolution:0,1 μg abs., output signal linear
  • Typical duration:1 – 15 min (depending on the sample)
  • Sample volume:0,01 – 20 ml
  • Oven temperature:max. 150 °C, optional, individually adjustable
  • Gas flow:up to 50 l/h
  • Power supply:115 – 230 V, 50 – 60 Hz
  • Power input:100 W
  • Dimensions:430 x 350 x 140 mm (width x depth x height)
  • Weight:2 kg

  • Sewage analysis
  • Monitoring of landfill-leachate
  • H2S in hydrocarbon mixtures e.g. mineral oil, transformer oil
  • Environmental applications
  • Gas analysis
  • Investigation of technical and pharmaceutical products (e. g. storage stability)
  • Quality management

  • Electrochemical sensor for precise, reproducible and  sensitive micro-analysis
  • Complete separation of H2S from the sample
  • Fully automated analytical procedure
  • Analysis of the original sample
  • No sample preparation
  • Definition of own methods for device control
  • Simple calibration
  • Dosing manually or optional fully automatic
  • Minimized cross sensitivity through the indirect method
  • Gas extracting technique for a fast release and separation of H2S from the sample
  • Robust and fast analysis (up to 40 measurements per hour)
  • Software: simple, clear, intuitive

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