Fourier Transform Infrared (FTIR) Analysis

Fourier Transform Infrared (FTIR) Analysis

Fourier Transform Infrared (FTIR) analysis gives rapid quantitative analysis of broad mineral groups, including total clays. Analysis may be completed with minimal sample preparation and requiring a small sample size. Some calibration with XRD results of known samples from the well may be required.

X-ray diffraction analysis (XRD) is the gold standard for mineral quantification in the industry. XRD offers great accuracy and ability to speciate a wide range of minerals, including clays. Analysis turnaround for XRD with the Terra portable unit is 1 day or less, with around the clock interpretation capabilities.

Ellington Oil Yield Fluorescence Curve How well FTIR fits XRD calibration

Fourier Transform Infrared (FTIR) analysis

Bruker Alpha FT-IR with ATR accessory

  • Fourier transform infrared spectroscopy
  • Near-real time bulk mineralogy and TOC proxy
  • Minimal sample preparation required
  • XRD, TOC values of known cores and cuttings calibrated with FTIR to estimate mineralogy, organics of unknown samples
  • Infrared absorption


Spectra peaks/regions of real samples



Contact Ellington and Associates, Inc. today for more information about Fourier Transform Infrared (FTIR) Analysis 713-956-2838.

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