Separation and Determination of Fe(III) and Fe(II) in Natural and Waste Waters Using Silica Gel Sequentially Modified with Polyhexamethylene Guanidine and Tiron

by Svetlana Didukh, Vladimir Losev, Elena Borodina, Nikolay Maksimov, Anatoly Trofimchuk, Olga Zaporogets
Published 2017-01-01

Silicas Chemically Modified with Sulfur-Containing Groups for Separation and Preconcentration of Precious Metals Followed by Spectrometric Determination

by Vladimir Losev, Evgeney Elsuf’ev, Elena Borodina, Olga Buyko, Natalya Maznyak, Anatoliy Trofimchuk
Published 2021-04-01