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1. Ein AAS-Verfahren zur Analyse von Cadmium in Zellstoff und Papier nach dem Druckaufschluß mit Salpetersäure

Author

Töppel, O., Knezevic, G., and Publica

Subjects
analysis, cadmium, pulp, paper, Papier, method, Zellstoff, digestion, Analyse, Verfahren, Aufschluß, AAS
Abstract

A method is described for the determination of cadmium in pulp and paper and the results of an interlaboratory test are also given. The test solutions are prepared by pressurized digestion with conc. nitric acid in a PTFE crucible. The traces of cadmium are determined by AAS. With this method, and using 1 g samples, it is possible routinely to prove the presence of cadmium with a limit of 10 myg Cd/kg sample.

Published
1991