1935
DOI: 10.1002/ange.19350481303
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Beiträge zum Arsennachweis nach Marsh‐Liebig

Abstract: Lockemann : Beitrage zum Arsennachweis nach Marsh-Liebig 199 Angewandte Chemie 48. Jahrg. 1935. Nr. 131 den Aziditatsgrad verleiht. Kappen hat in seinen ersten Arbeiten auch diese Ansicht eindeutig vertreten und den Aluminiumaustausch als einen primaren Vorgang gedeutet . In seinen spateren Arbeiten vertritt aber Kappen den Standpunkt, da13 das Kalium gegen die Wasserstoffionen des Komplexes ausgetauscht wird und erst sekundare Losung von Aluminium auftritt. Unsere noch nicht veroffentlichten Arbeiten weisen d… Show more

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Cited by 9 publications
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“…At this concentration, ordinary c. p. zinc dissolves rapidly, but there is a fairly long lag before the reaction becomes visually perceptible. To avoid this period, various methods of sensitizing the zinc have been used (2, 14, IS,22,44,46,47,53,55). Immersion in 0.5 per cent copper sulfate solution, in 1 to 3 hydrochloric acid containing 0.5 per cent of stannous chloride, and in 1 to 3 hydrochloric acid was tried in this laboratory.…”
Section: Methodsmentioning
confidence: 99%
“…At this concentration, ordinary c. p. zinc dissolves rapidly, but there is a fairly long lag before the reaction becomes visually perceptible. To avoid this period, various methods of sensitizing the zinc have been used (2, 14, IS,22,44,46,47,53,55). Immersion in 0.5 per cent copper sulfate solution, in 1 to 3 hydrochloric acid containing 0.5 per cent of stannous chloride, and in 1 to 3 hydrochloric acid was tried in this laboratory.…”
Section: Methodsmentioning
confidence: 99%