Simultaneous polarographic determination of lead (II) and tin (II) by multivariate calibration

Authors
Ni, YN Wang, L
Citation
Yn. Ni et L. Wang, Simultaneous polarographic determination of lead (II) and tin (II) by multivariate calibration, ANAL LETTER, 32(10), 1999, pp. 2081-2089
Citations number
16
Categorie Soggetti
Chemistry & Analysis","Spectroscopy /Instrumentation/Analytical Sciences
Journal title
ANALYTICAL LETTERS
ISSN journal
00032719 → ACNP
Volume
32
Issue
10
Year of publication
1999
Pages
2081 - 2089
Database
ISI
SICI code
0003-2719(1999)32:10<2081:SPDOL(>2.0.ZU;2-C
Abstract
The polarographic waves of lead (II) and tin (II) overlap due to their simi lar reductive potentials and it is difficult to determine these two compone nts simultaneously without a pre-separation. In this paper, differential pu lse polarography (DPP) combined with multivariate calibration approaches, s uch as classical least squares (CLS), principal component regression (PCR) and partial least squares (PLS), were successfully applied to the resolutio n of overlapping polarographic waves of these two components in the concent ration range of 0.05-3.50 mg l(-1). Satisfactory quantitative results were obtained.