Reichert-Meissl number

Reichert-Meissl number
Rei·chert-Meissl num·ber 'rī-kərt-'mī-səl-.nəm-bər n a Reichert value expressed as the milliliters of tenth-normal alkali required to neutralize the acids obtained from five grams of fat by a specified method of saponification and distillation called also Reichert-Meissl value
Rei·chert 'rī-kert Emil (1838-1894)
German food scientist. In 1879 Reichert introduced a method for determining the proportion of volatile water-soluble fatty acids present in butter, fats, and oils.
Meissl Emerich (fl 1879-1882)
German chemist. Meissl is known to have written an article on the testing of yeast.

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the number of milliliters of tenth normal potassium hydroxide (KOH) required to neutralize the soluble volatile fatty acids distilled from 5 g of fat after it has been saponified with KOH and then made acid with orthophosphoric acid or sulfuric acid.

Medical dictionary. 2011.

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  • reichert-meissl number — noun or reichert meissl value ˈrīkə(r)t, ˈmīsəl Usage: usually capitalized R&M Etymology: after Karl Reichert and E. Meissl, 19th century German chemists : a Reichert value expressed as the milliliters of tenth normal alkali required to… …   Useful english dictionary

  • reichert-meissl value — noun see reichert meissl number …   Useful english dictionary

  • Reichert value — n a value that indicates the content in fat (as butter) of water soluble volatile fatty acids (as butyric acid or caproic acid) esp REICHERT MEISSL NUMBER …   Medical dictionary

  • Reichert value — The Reichert value (or more fully, the Reichert Meissl Wollny value or Reichert Meissl Wollny number) is a value determined when examining fat. The Reichert value is an indicator of how much volatile fatty acid can be extracted from fat through… …   Wikipedia

  • reichert value — noun or reichert number Usage: usually capitalized R Etymology: after Karl Reichert, 19th century German chemist : a value that indicates the content in butter or other fat of the water soluble volatile fatty acids (as butyric acid, caproic acid …   Useful english dictionary

  • number — 1. A symbol expressive of a certain value or of a specific quantity determined by count. 2. The place of any unit in a series. atomic n. (Z) the n. of protons in the nucleus of an atom; it indicates the position of the …   Medical dictionary

  • Reichert — Karl B., German anatomist, 1811–1883. See R. cartilage, R. cochlear recess, R. Meissl number …   Medical dictionary

  • butterfat — /but euhr fat /, n. butter; milk fat; a mixture of glycerides, mainly butyrin, olein, and palmitin. [1885 90; BUTTER + FAT] * * * ▪ food also called  Milk Fat,         natural fatty constituent of cows milk and the chief component of butter.… …   Universalium

  • Fettkennzahl — Allgemeine chemische Struktur von Fetten und Ölen (R1, R2 und R3 sind Alkyl , Alkenyl und Dialkenylreste mit einer ungeraden Anzahl von Kohlenstoffatomen. Fettkennzahlen, auch Fettkennziffern genannt, dienen der Qualitätskontrolle und… …   Deutsch Wikipedia

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