Сибирский федеральный университет

Тип публикации: статья из журнала

Год издания: 2000

Идентификатор DOI: 10.1007/BF02757483

Аннотация: A simple and rapid procedure for the potentiometric determination of polyethylene glycol with a molecular mass of 20000 (PEG-20000) was proposed. The procedure: is based on the empirically found stoichiometry of the reaction of PEG-20000 precipitation with iodine. Titration was performed to a constant potential of the I-3/3I(-) redox couple measured with a platinum electrode. The relative standard deviation for PEG-20000 concentrations from 6.0 to 19.9 g/L was less than or equal to 5%.

Журнал: JOURNAL OF ANALYTICAL CHEMISTRY

Выпуск журнала: Vol. 55, Is. 5

Номера страниц: 454-456

ISSN журнала: 10619348

Место издания: NEW YORK

Издатель: MAIK NAUKA/INTERPERIODICA

• Golovnev N.N. (Department of Chemistry,Krasnoyarsk State University)
• Andreev A.I. (Department of Chemistry,Krasnoyarsk State University)
• Romanova O.S. (Department of Chemistry,Krasnoyarsk State University)
• Andronova O.N. (Department of Chemistry,Krasnoyarsk State University)

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