N-aryl-3-aminopropionic acids as selective reagents for the determination of copper in metallurgical products / Neudachina LK,Osintseva EV,Skorik YA,Vshivkov AA // JOURNAL OF ANALYTICAL CHEMISTRY. - 2005. - V. 60, l. 3. - P. 240-246.

ISSN/EISSN:

1061-9348 / нет данных

Type:

Article

Abstract:

Analytical characteristics of N,N-di(2-carboxyethyl)aniline (1), N,N-di(2-carboxyethyl)-3,4-xylidine (H), N-(2-carboxyethyl)anthranilic acid (111), N,N-di(2-carboxyethyl)-4,5-dimethylaminoazobenzene-4'-sulfonic acid (IV), and N-(2-carbamoylethyl)anthranilic acid (V) were studied. The factors affecting the selectivity of I-V for Cu(H) ions (basicity of the amino group, nature and positions of substituents in the benzene ring, and geometry of chelate cycles) were analyzed. The optimum conditions were found and procedures were developed for the spectrophotometric determination of copper in metallurgical products. The high selectivity of I-V for Cu(II) ions allows the determination without preliminary separation of concomitant components in aqueous solutions without organic solvents. Compound II exhibits the best analytical characteristics: the analytical range of copper 3-20 mg/L, detection limit 0.7 mg/L, epsilon (lambda = 252 nm) = 3290 L mol(-1) cm(-1), and pH 6.0 (anunonia-acetate buffer solution).

Author keywords:

CRYSTAL-STRUCTURE; SPECTROPHOTOMETRIC DETERMINATION; DIHYDRATE

DOI:

10.1007/s10809-005-0078-x

Web of Science ID:

ISI:000227843700005

Соавторы в МНС:

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Другие поля

Поле	Значение
Month	MAR
Publisher	MAIK NAUKA/INTERPERIODICA
Address	C/O KLUWER ACADEMIC-PLENUM PUBLISHERS, 233 SPRING ST, NEW YORK, NY 10013-1578 USA
Language	English
Keywords-Plus	CRYSTAL-STRUCTURE; SPECTROPHOTOMETRIC DETERMINATION; DIHYDRATE
Research-Areas	Chemistry
Web-of-Science-Categories	Chemistry, Analytical
ResearcherID-Numbers	Skorik, Yury/A-8128-2008
ORCID-Numbers	Osintseva, Elena/0000-0002-0229-6517
Number-of-Cited-References	24
Usage-Count-Since-2013	1
Journal-ISO	J. Anal. Chem.
Doc-Delivery-Number	909ES