61 research outputs found

    Direktbestimmung von Nickel in Margarine

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    Schwermetallbestimmung in Papieren - ein Methodenvergleich: Feststoff- und Aufschlussanalyse mit Graphitrohr-AAS

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    It could be shown that cadmium, lead, mercury, copper and chromium in paper can be very well determined by means of solid sampling with direct Zeeman-AAS as also with graphite tube AAS after chemical digestion. The results of different papers were in good agreement. The specific advantages of the different methods are discussed
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