Multiparameter food analysis within one minute using NIRS

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Determination of Iodine value, FFA, refractive index, and fatty acid composition in edible oils.

All edible oil quality parameters can be analyzed with the Metrohm NIRS DS2500 Liquid Analyzer. Analysis via near-infrared spectroscopy (NIRS) helps to increase productivity and reduce costs, providing quick results without any sample preparation.

DS2500 Liquid Analyzer
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Results obtained Vis-NIR spectra Editable Oil Sample

The measured Vis-NIR spectra (Figure 2) were used to create a prediction model for quantification of all eight parameters: iodine value, FFA, refractive index, palmitic acid (C16:0), stearic acid (C18:0), oleic acid (C18:1), linoleic acid (C18:2), and alpha-linolenic acid (C18:3).

Results obtained Vis-NIR spectra Editable Oil Sample

Highlights of Metrohm NIRS DS2500

The DS2500 Analyzers are compact near-infrared (NIR) spectrometers for use in the lab as well as in production. These instruments combine efficiency and intuitive operation with flexibility and robustness.

  •  Available product versions for analyzing liquids (DS2500 Liquid Analyzer) or solids (DS2500 Solid Analyzer)
  • Samples from the petrochemical, polymer, polyol, palm oil, chemical, pharmaceutical, personal care, and pulp and paper industry are analyzed according to ASTM E1655, ASTM D6122, USP 856, USP 1856, and ASTM D6342
  • Dedicated pre-calibrated systems for the polymer, petrochemical, and polyol industries available
  •  Benefit from all the advantages of near-infrared spectroscopy
  • Peace-of-mind – the DS2500 Analyzers have a IP65/IP54 rating so they withstand harsher conditions
  • Data integrity as well as convenient access and review of data is guaranteed with the user-friendly and GMP/FDA-compliant Vision Air software
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Key Advantages

  • Quantitative and qualitative routine analysis in the shortest time. 
  • Single- run to get multiple parameters. 
  • Complaint with regulatory requirements. 
  • Minimal or no sample preparation required. 
  • Different food samples for multiple parameters analysis possible. 
  • Extended application range thanks to combined visual and near-infrared spectroscopy. 

DS2500 Analyzer

Liquid Analyzer – Near-infrared spectroscopy system for liquid samples

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