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Determination of beta-lactam residues in milk by high performance liquid chromatography


Determination of beta-lactam residues in milk by high performance liquid chromatography



Brazilian Archives of Biology and Technology 49(Sp. Iss. SI): 41-46



ISSN/ISBN: 1516-8913

DOI: 10.1590/s1516-89132006000200007

A high performance liquid chromatographic method to assay beta-lactam residues in milk was developed and validated. Milk samples were spiked with standard solutions and deproteinated. The extract was cleaned-up on C18 SPE cartridge, the antibiotics eluted with acetonitrile:water (50:50 v/v) and derivatized with acetic anhydride and 1-methyl-imidazole solution containing HgCl2.

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Accession: 011939169

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