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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 15, Number 1
BKCSDE 15(1)
January 20, 1994

Title	A Quantitative Determination of Overlapped Chromatographic Peaks of Dysprosium and Yttrium Using Target Transformation Factor Analysis
Author	Joon Myong Song, Chul Lee*, Koo Soon Chung
Keywords
Abstract	Rare earth elements (REE) were individual separated by applying the gradient elution via HPLC using α-hydroxyisobutyric acid (HIBA) as an eluent. However, the overlap of Y and Dy peaks was too severe to obtain the resolution of these two peaks. The target transformation factor analysis (TTFA) was applied to resolve the elution peaks of Y and Dy. [A]raw formed from the absorbances of mixed solution was factor analyzed. The abstract factor analysis(AFA) was used to determine the number of components that contributed to the poorly resolved peaks. The error theory in the AFA showed that the number of components was 2. The test vectors which correspond to pure component were selected from the standard solutions of Y and Dy. TTFA was accomplished by target testing. The results showed that the resolution of two peaks as well as the determination of Y and Dy were possible by the factor analysis.
Page	74 - 78
Full Text	PDF

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