Beauchamp, K W Determination of carbofuran and its metabolites in rice paddy water by using solid phase extraction and liquid chromatography. [electronic resource] - Journal - Association of Official Analytical Chemists - 845-7 p. digital Publication Type: Journal Article ISSN: 0004-5756 Subjects--Topical Terms: Carbofuran--analogs & derivativesChromatography, LiquidFresh Water--analysisIndicators and ReagentsInsecticides--analysisSpectrophotometry, UltravioletWater--analysis