Abstract
The analysis of the rare earth elements by inductively coupled plasmamass spectrometry is complicated by spectral overlap problems involving M+, MO*, and MOH+ ions. Two correction schemes are compared in this study. One correction scheme is the classical algebraic approach (Gauss elimination) and the other is a method based on principal components analysis, also known as factor analysis. Both schemes work well, but the principal components analysis approach is considerably more flexible, is easier to expand to more elements, and can tolerate missing data.
Keywords
Get full access to this article
View all access options for this article.
References
1.
Vaughan
M. A.
and
Horlick
G
, Appl. Spectrosc. 40 , 434 (1986 ).
2.
Roaldset
E.
, Talanta 17 , 593 (1970 ).
3.
Bacon
J. R.
and
Ure
A. M
, Anal. Chim. Acta 105 , 163 (1979 ).
4.
Zachmann
D. W.
, Anal. Chem. 60 , 420 (1988 ).
5.
Tremblay
M. E.
Smith
B. W.
and
Winefordner
J. D
, Anal. Chim. Acta 99 , 111 (1987 ).
6.
Date
A. R.
and
Hutchison
D
, J. Anal. Atom. Spectrom. 2 , 269 (1987 ).
7.
Hirata
T.
Shimizu
H.
Akagi
T.
Sawatari
H.
and
Masuda
A
, Analyt. Sci. 4 , 637 (1988 ).
8.
Longerich
H. P.
Fryer
B. J.
Strong
D. F.
and
Kantipuly
C. J
, Spectrochim. Acta 42B , 79 (1987 ).
9.
Lichte
F. E.
Meier
A. L.
and
Crock
J. C
, Anal. Chem. 59 , 1150 (1987 ).
10.
Wirsz
D. F.
and
Blades
M. W
, Anal. Chem. 58 , (1986 ).
11.
Otto
M.
and
Wegscheider
W
, Anal. Chem. 57 , 63 (1985 ).
12.
Cahn
F.
and
Compton
S
, Appl. Spectrosc. 42 , 865 (1988 ).
13.
Fuller
M. P.
Ritter
G. L.
and
Draper
C. S
, Appl. Spectrosc. 42 , 228 (1988 ).
14.
Vandeginste
B. G. M.
Derks
W.
and
Kateman
G
, Anal. Chim. Acta 173 , 253 (1985 ).
15.
Devaux
M. F.
Bertrand
D.
Robert
P.
and
Qannan
M
, Appl. Spectrosc. 42 , 1020 (1988 ).
16.
Malinowski
E. R.
and
Howery
D. G
, Factor Analysis in Chemistry (John Wiley and Sons , New York , 1980 ).
17.
Geladi
P.
and
Kowalski
B. R
, Anal. Chim. Acta 185 , 1 (1986 ).