Colorimetric determination of furfural and its precursors with azulene; application to air pollution.
D000397:Air Pollution; D002241:Carbohydrates / Q000032:analysis*; D003124:Colorimetry; D003516:Cycloparaffins; D005662:Furaldehyde / Q000032:analysis*; D013053:Spectrophotometry
D002241:Carbohydrates; D003516:Cycloparaffins; D005662:Furaldehyde