Natural Environment Biogeochemistry
Laboratory of Biogas Analysis

Equipment


 

    Gas chromatograph


    The study of the composition of gas mixtures in a wide range of concentrations (CO2, O2, CH4, C2H2, C2H4, H2S, H2)

    Specifications:

    • Detektors:
      • FPD (flame - photometric)
      • FID (flame - ionization)
      • TCD (thermo conductive)
    • Packed column for CO2, O2, CH4, C2H2, C2H4, H2 determination
    • Capillary column for sulfur compounds determination
    • Adapter for headspace analysis
    • Thermostatic control of samples and transfer line in the range of 35°C to 210°C
    • Injection of air pressure compensation method - use of a syringe or a gas injector loop not required (the possibility of manual injection)
    • Operating temperature range: from 4°C above ambient to 450°C programmed at 1°C
    • Ability to work with temperature consisting of a minimum of 9 of the accretions and 10 of the plateau
    • Maximum heating: 140°C / min.
    • The rate of cooling from 450°C to 50°C for no longer than 2 minutes

    Set for nitrogen determination with Kjeldahl method


    Determination of total nitrogen

    Specifications:

    • Digestion
      • Equipped with infrared radiant heater
      • Stand for 12 reaction vessels with a capacity of 250 ml with vapor extraction kit
      • A set of reaction vessels with a capacity 250 ml
    • Steam distillation with water vapor:
      • Automatic generation of steam,
      • Adjustable output of evaporation
      • Automatic removal of sample residue
      • Pressure switch control,
      • Automatic control of filling tanks

    TOC analyzer


    Determination of organic, inorganic and total carbon in liquid and solid samples, and total nitrogen in liquid samples

    Specifications:

    • TOC analyzer, IC, TC, NPOC:
      • Measuring range: 4 ppb - 25,000 ppm
      • Infrared detection - NDIR
      • Catalytic combustion on a platinum catalyst, temperatures up to 720°C;
      • Analysis time: up to 3 min
      • Injection volume from 10 to 2000 µl
      • Automatic dilution of samples from 2 to 50 times the dosing syringe
      • Washing of the line with clean water or analytical sample;
      • Autosampler for 72 samples of 40 ml, the standard needle dispensing washing inside and out
      • Adapter for the determination of carbon in solid samples: the overall temperature of the determination of carbon: organic - 900°C, 200°C - inorganic., measuring the overall carbon to 30 mg C in the sample
      • Adapter for the determination of total nitrogen: 0-4000 ppm chemiluminescence