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Fritz Feigl

Researcher at Ministry of Agriculture

Publications -  89
Citations -  716

Fritz Feigl is an academic researcher from Ministry of Agriculture. The author has contributed to research in topics: Spot analysis & Cyanide. The author has an hindex of 11, co-authored 89 publications receiving 704 citations.

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Spot test detection of phenylhydrazine and arsonic acids

TL;DR: In this article, the indophenol reaction with 2:6-dichloroquinone-4-chloroimine was used as a characteristic test for phenylhydrazine.
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Nachweis und Unterscheidung von Saccharin, Kristallose und Sucaryl durch Methoden der Tüpfelanalyse

TL;DR: In this paper, the authors danken dem Conselho National de Perquisa fur materielle Unterstutzung, denkbar den Tupfel analyzes an Sucaryl einwandfrei zu unterscheiden.
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Nachweis von Kupfer in Lösungen von Alkalicyaniden

TL;DR: In Losungen von komplexen Alkalicuprocyaniden ist Kupfer empfindlich nachweisbar mittels Natrium-diathyldithiocarbamat oder Kaliummercapto-phenyl-thiothiodiazol nach Demaskierung mit Formaldehyd as discussed by the authors.
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Beitrge zur organischen Tpfelanalyse

TL;DR: In this paper, a number of new tests are described for detecting strong and intermediate strong organic acids based on the release of nitric acid when warmed with potassium nitrate to 100°.