Separation of phenylurea pesticides by ion-interaction reversed-phase high-performance liquid chromatography Diuron determination in lagoon water

Distribution and Potential Effects of Novel Antifouling Herbicide Diuron on Coral Reefs

“…The level of contamination of diuron in the waters around the Ryukyu Archipelago is not as high in comparison to western Japan and other bodies of water around the world. For example, concentrations of up to 3,050 ng L -1 were detected in the Seto Inland Sea, (Okamura et al, 2003); 42,000 ng L -1 in lagoon water in Italy (Gennaro et al, 1995); 768 ng L -1 in the marina UK, (Boxall et al, 2000); 6,742 ng L -1 estuaries UK, (Thomas et al, 2001), 2,000 ng L -1 in Mediterranean coast, Spain, (Martinez et al, 2000), and 1,130 ng L -1 in Marinas Netherlands, (Lamoree et al, 2002). However, the maximum level detected in this study has exceeded the permitted maximum levels of 430 ng L -1 as set by the Dutch National Institute of Public Health and the Environment (Giacomazzi and Cochet, 2004).…”

Electrocatalysis of asulam on cobalt phthalocyanine modified multi-walled carbon nanotubes immobilized on a basal plane pyrolytic graphite electrode

“…Several chromatographic [23][24][25], fluorescence [26] and photochemiluminometric [27] techniques have been reported for its detection. Surprisingly, despite the various advantages associated with electrochemical sensors over chromatographic techniques (such as portability, low cost, ease of fabrication and sensitivity) electrochemical detection of asulam has rarely been reported.…”

IL-USA-DLLME Method to Simultaneously Extract and Determine Four Phenylurea Herbicides in Water Samples

“…Generally, liquid-liquid extraction (LLE) [4] and solidphase extraction (SPE) [5] are used to extract phenylurea herbicides from environmental samples; LLE and SPE are time-consuming methods that require large amounts of toxic organic solvents and complex equipment. In recent years, efficient and economic preparation methods utilising smaller samples have become more popular.…”