Petrovich Marina Viktorovna RussiaSaratovSaratov State University , 83, Astrakhanskaya str., Saratov, 410012, Russia Magister, Institute of Chemistryvarigini@mail.ru Author's articles Definition of Arginine in the Mixed Solutions Monoaminooksidasy α-aminoacids Simultaneous Determination of Synthetic Food Dyes E102 and E110