APPLICATION OF CHEMOMETRICS FOR THE SELECTION OF MICROWAVE DIGESTION PROCEDURES

被引：18
|
作者：
KOKOT, S
KING, G
KELLER, HR
MASSART, DL
机构：
[1] GOVT CHEM LABS,BRISBANE,AUSTRALIA
[2] VRIJE UNIV BRUSSELS,INST FARMACEUT,B-1050 BRUSSELS,BELGIUM
来源：
ANALYTICA CHIMICA ACTA | 1992年 / 268卷 / 01期
关键词：
CHEMOMETRICS; FUZZY CLUSTERING; MICROWAVE DIGESTION;
D O I：
10.1016/0003-2670(92)85251-Z
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The application of four chemometrics procedures viz., principal components analysis, SIMCA, multicriteria decision-making routines PROMETHEE and GAIA, and fuzzy clustering, was investigated for the selection of a suitable microwave digestion method for sediment and rock samples. The NBS 2704 SRM and a secondary rock standard were acid digested by 15 different methods and the digests analysed for six metals, Cu, Pb, Ni, Cr, Co and Zn. The four chemometrics approaches produced consistent results and provided similar information about the data structure (outliers, groupings, trends). Only the PROMETHEE procedure gave the ranking information necessary for the selection of a suitable digestion method. This method was based on the HF-HNO3 acid composition of the digest mixture.
引用
收藏
页码：81 / 94
页数：14
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