Analyses were performed using the FTIR (Perkin Elmer Frontier FTIR NIR and FIR Spectroscopy) device. This device allows direct analysis from the solid and allows analysis without the pellet preparation step. FTIR plots of raw and heat-treated O. umbellatum samples were drawn with the Spectra manager program. FTIR analysis was carried out by Yozgat Bozok University-Chemistry Deparment.
Frontier ftir nir
Manufactured by PerkinElmer
The Frontier FTIR NIR is a versatile analytical instrument designed for near-infrared (NIR) spectroscopy. It is capable of performing Fourier-transform infrared (FTIR) spectroscopy to analyze a wide range of samples. The core function of the Frontier FTIR NIR is to provide accurate and reliable data for various applications, including material identification, quality control, and process monitoring.
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2 protocols using frontier ftir nir
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FTIR Analysis of O. umbellatum Samples
2
Dearomatisation and Peroxide Tracking
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Functional group transformation was also tracked via PerkinElmer's Frontier FT-IR/NIR interfaced with the MIR-TGS detector and UATR accessories. The nano cell isolates were dried and analysed in triplicate. Dearomatisation, referencing the cleavage of the benzene ring due to electron localisation in the presence of dioxydanyl radical, was detected by examining the 1000-1500 cm−1 region.
Peroxide consumption, tracking dioxydanyl-radical reaction with lignin, was determined by detecting the colour of the peroxo-molybdic acid complex (PMAC) via Shimadzu UV-Visible 1601 PC Spectrophotometer. PMAC's yellow colour formed from 2.4 molybdate binding to peroxide to form the peroxo-molybdic acid complex. 2.4 molybdate was prepared by dissolving 0.10 g of (NH4)6Mo7O24.4H2O in 250 ml 0.5 M sulfuric acid. Calibration standards containing 2, 4, 8, 12, 16, and 20 μl hydrogen peroxide solution (30%) in 5 ml of the molybdate solution were prepared using distilled water. In duplicate, 500 μl spent liquor was added to 5 ml 2.4 molybdate agent and homogenised by manual shaking before filtration.
Peroxide consumption, tracking dioxydanyl-radical reaction with lignin, was determined by detecting the colour of the peroxo-molybdic acid complex (PMAC) via Shimadzu UV-Visible 1601 PC Spectrophotometer. PMAC's yellow colour formed from 2.4 molybdate binding to peroxide to form the peroxo-molybdic acid complex. 2.4 molybdate was prepared by dissolving 0.10 g of (NH4)6Mo7O24.4H2O in 250 ml 0.5 M sulfuric acid. Calibration standards containing 2, 4, 8, 12, 16, and 20 μl hydrogen peroxide solution (30%) in 5 ml of the molybdate solution were prepared using distilled water. In duplicate, 500 μl spent liquor was added to 5 ml 2.4 molybdate agent and homogenised by manual shaking before filtration.
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