单词	copper sulfate
释义	copper sulfate noun : a sulfate of copper especially : the normal sulfate that is white in the anhydrous form but blue in the crystalline hydrous form CuSO4·5H2O and that is often used as an algicide and fungicide Example Sentences Recent Examples on the Web The Division of Forestry, Fire and State Lands, which manages the contracts to mitigate algal blooms in the state’s public lands, primarily uses copper sulfate as an algaecide, the division’s interim director, Jamie Barnes, said. The Salt Lake Tribune, 2 Aug. 2021 In the study, researchers from the U and the U.S. Geological Survey applied a copper sulfate solution to the water in St. Alban's Bay near Excelsior. Katy Read, Star Tribune, 4 Nov. 2020 In the 1950s, scientists tried using copper sulfate. Jenny Howard, National Geographic, 5 July 2019 The European Union determined that copper sulfate may cause cancer and intended to ban it, but backed off because organic farmers don’t have any viable alternative. Henry I. Miller, WSJ, 5 Aug. 2018 One that organic gardeners all over the world know is the fungicide Bordeaux mix, with copper sulfate as the main ingredient. Jo Ellen Meyers Sharp, Indianapolis Star, 13 July 2018 Word History First Known Use 1869, in the meaning defined above Medical Definition copper sulfate noun : a sulfate of bivalent copper that is best known as the blue crystalline hydrate CuSO4·5H2O, is used as an algicide and fungicide, and has been used medicinally in solution as an emetic but is not now recommended for such use because of its potential toxicity called also cupric sulfate
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