What type of study is this?

This is a Quantitative Study study (also classified as: Validation Study).

What question did this study set out to answer?

To develop a method for the quantitative analysis of acetic acid and ethanol in fermentation products using FTIR spectroscopy.

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To develop a method for the quantitative analysis of acetic acid and ethanol in fermentation products using FTIR spectroscopy.
Utilized attenuated total reflection fourier transform infrared (ATR FTIR) spectroscopy for analysis.
Prepared acetic acid and ethanol solutions in the range of 0.5 to 30% w/w.
Constructed calibration curves based on absorbance measurements at specific wavelengths.
Validated method proved to be accurate, precise, linear, and selective.
Established equations for determining mass percentage of acetic acid and ethanol based on absorbance ratios.

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Quantitative analysis determines ethanol and acetic acid in fermentation solutions, indicating FTIR as a rapid and precise method.

Alkhatib et al. (2026) studied this question.

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