Entrapped copper(II) carbonate for indirect determination of glycine by flow injection atomic absorption spectrometry

Copper(II) carbonate was physically entrapped in a polyester during polymerization. The resulting solid resin was used as a rector for glycine determination by means of a flow injection manifold and applied to pharmaceutical formulations; the glycine complexed with and thus dissolved some of the imm...

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Bibliographic Details
Published in:Analytica chimica acta 1993-03, Vol.274 (2), p.275-281
Main Authors: Garcia Mateo, J.V., Calatayud, J.Martínez
Format: Article
Language:English
Subjects:
Atomic absorption spectrometry
Copper carbonate
Flow injection
Glycine
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Summary:Copper(II) carbonate was physically entrapped in a polyester during polymerization. The resulting solid resin was used as a rector for glycine determination by means of a flow injection manifold and applied to pharmaceutical formulations; the glycine complexed with and thus dissolved some of the immobilized Cu(II), which was monitored by an atomic absorption spectrometer. The calibration graph is linear in the range 1.2–35 μg ml −1 glycine, the detection limits is 1.2 μg ml −1, the relative standard deviation at 20 μg ml −1 is 1.1% ( n = 20) and the sample throughput is 180 h −1.
ISSN:0003-2670
1873-4324
DOI:10.1016/0003-2670(93)80476-2