TOXIC TRACE-METALS IN FOOD .2. COMPARATIVE-STUDY OF THE LEVELS OF TOXIC TRACE-METALS IN WINE BY DIFFERENTIAL PULSE ANODIC-STRIPPING VOLTAMMETRY AND ELECTRO-THERMAL ATOMIC-ABSORPTION SPECTROMETRY

被引:31
作者
GOLIMOWSKI, J
VALENTA, P
STOEPPLER, M
NURNBERG, HW
机构
[1] NUCL RES CTR,INST CHEM,D-5170 JUELICH 1,FED REP GER
[2] NUCL RES CTR,INST APPL PHYS CHEM 4,D-5170 JUELICH 1,FED REP GER
来源
ZEITSCHRIFT FUR LEBENSMITTEL-UNTERSUCHUNG UND-FORSCHUNG | 1979年 / 168卷 / 06期
关键词
D O I
10.1007/BF01479257
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
A new high-performance analytical procedure for the determination of the toxic trace metals cadmium, lead and copper in wines by differential pulse anodic-stripping voltammetry (DPASV) subsequent to UV irradiation of the sample is compared with the hitherto more common application of electrothermal atomic absorption spectrometry (AAS). In this manner also mutually the accuracy attainable with both alternatives has been established. The particularly favourable potentialities of the new voltammery approach for toxic metal control of wines are demonstrated by the investigation of a typical selection of 36 wines from recent vintages and common vine types of the German and some European wine cultivating regions. © 1979 J. F. Bergmann Verlag.
引用
收藏
页码:439 / 443
页数:5
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