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7854120 
Journal Article 
SUBSTOICHIOMETRIC EXTRACTION SYSTEM MIBK-APDC AND ITS APPLICATION TO DIRECT DETERMINATION OF PB AND CD IN WINE 
Anders, U; Hailer, G 
1976 
0 
Fresenius' Zeitschrift für Analytische Chemie
ISSN: 0016-1152 
278 
3 
203-206 
English 
WOS:A1976BE51400004 
The insolubility of sugars and fruit acids in MIBK allows the direct extraction of heavy metals by APDC from wine and similar products. With special precautions an accuracy of /+-5% can be obtained for Pb and Cd in the concentration range from 0.1-1 ppm and 1-10 ppb, respectively. Together with our experiences a brief survey of the most recent literature is also presented. © 1976 Springer-Verlag.