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2. https://www.perkinelmer.com/product/frt-sp3-nira-rot-sample-holder-l1280314. Consulted on 15th April 2021.
3. https://www.fossanalytics.com/en/products/nirs-ds2500-l. Consulted on 15th April 2021.
4. https://new.abb.com/products/measurement-products/analytical/ft-ir-and-ft-nir-analyzers/laboratory-spectrometers/mb3600-ch40. Consulted on 15th April 2021.
5. https://www.bruker.com/en/products-and-solutions/infrared-and-raman/ft-nir-spectrometers/tango-ft-nir-spectrometer.html. Consulted on 15th April 2021.