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Ein vollautomatisches Pipettiergerät fär die Korngrößenbestimmung nach Köhn
Author(s) -
Werner H.
Publication year - 1973
Publication title -
zeitschrift für pflanzenernährung und bodenkunde
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.644
H-Index - 87
eISSN - 1522-2624
pISSN - 0044-3263
DOI - 10.1002/jpln.19731340107
Subject(s) - pipette , die (integrated circuit) , rationalization (economics) , materials science , analytical chemistry (journal) , chemistry , computer science , physics , nanotechnology , chromatography , philosophy , epistemology
A full automatic apparatus for grainsize analysis of soil according to Köhn . For the purpose of rationalization of the mechanical analysis of soil according to Köhn a new pipette apparatus was constructed. The different fractions are taken by automatic pipettes, controlled by electric time switches. The construction and function is described.