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Molecular Characterization

Scope of FTIR (Fourier Transform Infrared Spectroscopy)

DISCIPLINE:

Molecular Spectroscopy / Material Characterization

INSTRUMENT:

Shimadzu IRSpirit FTIR Spectrophotometer

MEASUREMENT MODE:

Transmission / ATR (Attenuated Total Reflectance)

SPECTRAL RANGE:

4000 - 400 cm?¹

Materials / Products Tested:

  • Polymers and plastics
  • Pharmaceuticals and chemicals
  • Food and agricultural products
  • Coatings, adhesives, and resins
  • Fibers, textiles, and papers

Main Applications of FTIR

  • Identification and characterization of organic and inorganic compounds.
  • Verification of raw materials, intermediates, and finished products.
  • Determination of functional groups and chemical bonding.
  • Detection of impurities, degradation, and contamination in materials.
  • Study of polymer composition, additives, and oxidation behaviour.
  • Comparison and matching of unknown samples with reference spectra.

Scope of UV–Vis (Ultraviolet–Visible) Spectrophotometry

DISCIPLINE:

Molecular Spectroscopy / Optical Analysis

INSTRUMENT:

Shimadzu UV-1900i UV-Vis Spectrophotometer

Wavelength Range:

200-800 nm

Measurement Mode:

Absorbance / Transmittance

Materials / Products Tested

  • Pharmaceuticals and chemicals
  • Food and beverages
  • Water and environmental samples
  • Biological and clinical samples
  • Polymers and dyes
  • Nanomaterials and optical materials

Main Applications of UV–Vis Spectrophotometry

  1. Quantitative determination of analytes based on absorbance (Beer–Lambert Law).
  2. Measurement of concentration, purity, and degradation of compounds.
  3. Analysis of colour, dye content, and optical properties of materials.
  4. Detection of contaminants and impurities in water and chemical samples.
  5. Determination of metal ions using colorimetric complex formation.
  6. Routine analysis in pharmaceutical, environmental, and industrial applications.