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RESEARCH

Equipment

Thermogravimetry-Gas Chromatography-Mass Spectrometry

  • Purpose of Apparatus

    • Thermogravimetry, TG

      • - Mass Change Analysis
      • - Phase Transition, Decomposition, Adsorption, Desorption Analysis
      • - DTA, DSC (Heat Capacity, Melting Point, Enthalpy)
    • Mass Spectrometry, MS

    • Gas Chromatography, GC

      • - Decomposition Gas Phase Identification
      • - Evaporation Gas Analysis
  • Specification of Apparatus

    • Temperature Range: RT – 1600oC

    • Heating Rate: 0.001 – 50 K/min

    • Vacuum : Max 10-2 mbar

    • Temperature Resolution : 0.001 K

    • TG Sensitivity: 0.1 microgram

    • DSC Sensitivity: < 5 microgram/hr

    • Mass Range: 35 g (including crucible)

    • Sample volume: Max. 5 cm3

    • Mass Spectrometer: 1.5 – 1022 u

    • Sampling rate : 22.2 u/s

Laboratory based X-ray Absorption Spectroscopy (XANES & EXAFS)

  • Purpose of Apparatus

    • X-ray Absorption Near Edge Structure (XANES) :

      • Oxidation state
      • Site symmetry
    • Extended X-ray Absorption Fine Structure (EXAFS):

      • local structure
      • binding distance
      • Coordination number
      • Ligand type
  • Specification of Apparatus

    • X ray source: 1.2 kW XRD-type tube

    • Energy: 5-12 keV (Standard operation)

    • ~ 24 keV (High energy mode)

    • Space: 2 m x 1 m x 1 m

    • Resolution: 1-2 eV

    • Brilliance: 106 photons/s

    • Detector: Hybrid photon counting detector