Discrimination of Organic Solvents Using an Infrared-Emitting Diode-Based Analyzer. Part II: Practical Demonstration

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Abstract:

It is demonstrated that a short-wave near-infrared analyzer equipped with a small number of discrete infrared-emitting diode sources can provide the spectral information required to discriminate organic solvents. Discrimination models were developed and validated for a large variety of compounds with the use of as few as six data points, and were, in most cases, quite successful. Additionally, the effect of added impurities on the discrimination model for methanol was investigated. As expected, the model developed for pure methanol was relatively insensitive to the presence of impurities at levels below about 5%.

Keywords: Analyzer; Discrimination; Near-infrared; Solvents

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/0003702953965777

Affiliations: 1: Department of Chemistry, University of Idaho, Moscow, Idaho 83843; present address: Advanced Fuel Research, 87 Church St., East Hartford, CT 06108 2: Department of Chemistry, University of Idaho, Moscow, Idaho 83843

Publication date: November 1, 1995

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