← Ideas & learning Ideas & learning · Advanced English

Leo Ubbelohde

German chemist (1877–1964)

1 min
estimated reading 2
complete sections 15.02
algorithmic grade estimate

Before you read

Use the article and the local dictionary together

The complexity label is calculated from sentence length and syllable estimates; it is guidance, not an assessment of you. Open any highlighted word below for its full local dictionary page.

Words
75
Native text
683 characters
Dictionary match
52%
Revision
1228823943 · 2024-06-13T11:26:16Z
Key vocabulary

Words to check before reading

viscometer2 uses in this article viscosity2 uses in this article known2 uses in this article determining1 uses in this article catalysis1 uses in this article professor1 uses in this article inventor1 uses in this article research1 uses in this article Analyse1 uses in this article chemist1 uses in this article mineral1 uses in this article Berlin1 uses in this article career1 uses in this article During1 uses in this article German1 uses in this article today1 uses in this article

Overview

Leo Ubbelohde (4 January 1877, Hanover – 28 February 1964, Düsseldorf) was a German chemist. During his career he served as a professor in Karlsruhe and Berlin. He is known for his research on mineral oils, fuels, catalysis and viscosity. He was the inventor of a suspended-level viscometer used for determining kinetic viscosity, known today as a "Ubbelohde viscometer".

Publications

* Über Kondensationen der Isatinsäure und des o-Amidobenzaldehyds mit Isonitrosoaceton, (1903) * Handbuch der Chemie und Technologie der Öle und Fette : Chemie, Analyse, Gewinnung und Verarbeitung der Öle, Fette, Wachse und Harze. * Zur Viskosimetrie. Anhang : Umwandlungs-tabellen für Viskositätszahlen, (1940).

Ideas & learning

Continue with related local reading

Deputy Speaker of the Grand National AssemblyAdvanced Keisen UniversityAdvanced Symbols of the European UnionAdvanced RhinophymaAdvanced American Academy of ActuariesAdvanced Holographic optical elementAdvanced