Journal
TALANTA
Volume 223, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.talanta.2020.121865
Keywords
Handheld spectroscopy; Chemical identification; Water contamination; Calibration; Process analytics
Categories
Funding
- Netherlands Organization for Scientific Research (NWO) through the PTA-COAST3 project Outfitting the Factory of the Future with On-Line Analysis (OFF/On) [053.21.114]
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A handheld near-infrared spectroscopy method has been successfully developed for rapid and low-cost testing of organic solvents, achieving 100% accuracy in solvent classification and precise water quantification in methyl ethyl ketone within the range of 0-0.25 wt%. The accessory developed for the NIR sensor enables the development of a broad range of sensing applications on organic liquid systems.
Quality control of liquid raw materials arriving on an industrial manufacturing site is typically performed in a dedicated laboratory using timeand chemicals-consuming analytical methods. Herein, we report the successful development of a handheld near-infrared spectroscopy method for the rapid, low-cost testing of organic solvents. Our methodology enables the classification of organic solvents with 100% accuracy and the quantification of water in methyl ethyl ketone with a precision of similar to 0.01 wt% in the 0-0.25 wt% range. The accessory that we have developed for the NIR sensor enables the development of a broad range of sensing applications on organic liquid systems.
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