"Determination of furfural. "; "Duncan, Ira Jeriah, 1906-"; "Furfural.", "Plants--Analysis."; "Duncan, Ira Jeriah, 1906-"; "1943"; "Journal article reprint from: Industrial and Engineering Chemistry (Analytical edition), v.15 (1943:Mar. 15). "; ""; "P16955"; "pec"; "Furfural.", "Plants--Analysis."; "14256"; .