Autor:	L. Dunsch, J. Morgenstern, U. Feist
Rok vydání:	1983
Předmět:	chemistry.chemical_classification Polarography Polymers and Plastics Molecular mass General Chemical Engineering chemistry.chemical_element Polymer Oxygen Ion chemistry.chemical_compound chemistry Acrylamide Polymer chemistry Copolymer Nuclear chemistry Acrylic acid
Zdroj:	Acta Polymerica. 34:73-75
ISSN:	1521-4044 0323-7648
DOI:	10.1002/actp.1983.010340203
Popis:	The suppression of the polarographic oxygen maximum was found to be a sensitive and simple method for the determination of poly(acrylic acid), poly(acrylamide) and the corresponding copolymers if the solution contains Ca2+ ions. In mixtures of these polymers with molecular weights of the same range the total polymer content can be determined at concentrations between 10 and 80 mg l−1 Interferences of the method, the relative standard deviation of which was found to be 4.2%, are shown.
Databáze:	OpenAIRE
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