A uniform nonlinearity criterion for rational functions applied to calibration curve and standard addition methods.
Talanta
; 130: 307-14, 2014 Dec.
Article
en En
| MEDLINE
| ID: mdl-25159414
ABSTRACT
Rational functions of the Padé type are used for the calibration curve (CCM), and standard addition (SAM) methods purposes. In this paper, the related functions were applied to results obtained from the analyses of (a) nickel with use of FAAS method, (b) potassium according to FAES method, and (c) salicylic acid according to HPLC-MS/MS method. A uniform, integral criterion of nonlinearity of the curves, obtained according to CCM and SAM, is suggested. This uniformity is based on normalization of the approximating functions within the frames of a unit area.
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1
Bases de datos:
MEDLINE
Tipo de estudio:
Prognostic_studies
Idioma:
En
Revista:
Talanta
Año:
2014
Tipo del documento:
Article
País de afiliación:
Polonia