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- W4300717312 abstract "In biomass acetylation, the degree of substitution is important information that has traditionally been measured via titration. In this study, infrared (IR) spectroscopy was conducted to simplify the degree of substitution measurement. Principal component analysis (PCA) was performed using the information obtained from the IR spectrum to confirm the classification characteristics of the sample according to the degree of acetylation. It was confirmed that the main components affecting the classification were peaks at 1740, 1365, and 1220 cmSUP-1/SUP. Therefore, as a result of creating a formula for calculating the degree of substitution based on these peaks, the formula based on the hydroxyl group showed higher accuracy than that based on the methylene group, and the peaks derived from acetyl groups at 1365 and 1220 cmSUP-1/SUP showed higher accuracy. Therefore, substitution degree analysis using IR in acetylation of wood powder is possible and yields high accuracy." @default.
- W4300717312 created "2022-10-04" @default.
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- W4300717312 date "2022-08-31" @default.
- W4300717312 modified "2023-09-29" @default.
- W4300717312 title "Application of Infrared Spectroscopy to Analyze the Degree of Substitution in Acetylated Wood Powder" @default.
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- W4300717312 doi "https://doi.org/10.7584/jktappi.2022.08.54.4.19" @default.
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