fraktionierter

Fraktionierter is an attributive form of the German verb fraktionieren, meaning that a substance has been separated into fractions by a fractionation process. The term is used primarily in chemistry, process engineering and related fields to describe materials that have been deliberately divided into distinct portions with different properties.

The concept relies on the idea of fractionation, where a heterogeneous mixture is partitioned according to differences in physical or chemical characteristics such as boiling point, polarity, or molecular weight. In practice, techniques such as fractional distillation, chromatography, or solvent partitioning produce fraktionierte Substanzen or fraktionierte Extrakte, each fraction enriched for certain components.

Common contexts include fraktionierte Destillation, where a mixture is heated to separate components with incremental boiling points, yielding a series of fractions like light and heavy fractions. In natural products chemistry and pharmacognosy, fraktionierte Extrakte refer to plant extracts that have been separated into fractions to simplify isolation of active compounds. In materials science, fractionation methods may be used to refine polymers or minerals into components with targeted properties.

Outside scientific usage, the term can appear in political contexts as a descriptor for members associated with a parliamentary fractio n (Fraktion); however, such usage is uncommon, and phrases like Abgeordneter der Fraktion or Fraktionsmitglied are typically preferred.

In summary, fraktionierter denotes substances or materials that have undergone deliberate fractionation, resulting in discrete fractions with distinct characteristics, and is most common in chemistry and related disciplines. See also fraktionieren, fractionale Destillation, and fractionation techniques.