Isaicheva Lyudmila Anatol'evna RussiaSaratov The Saratov State Agricultural University of N. I. Vavilov, 1, Teatralnaya Square, Saratov, 410012associate professorCandidate of Chemistry Sciencesisaichevala@yandex.ru Author's articles Corrosion and Еlectrochemical Behaviour of Magnesium and Magnesium-Lithium Alloys in Phosphoric Acid Media