chemical affinity


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chemical affinity

Etymology: Gk, chemeia, alchemy; L, affinis, related
1 an attraction that results in the formation of molecules from atoms.
2 an attraction between chemicals caused by polarity, as used in affinity chromatography.

chemical affinity

The force causing certain atoms to combine with others to form molecules.
See: chemoreceptor
See also: affinity
References in periodicals archive ?
The observed results can be explained in terms of chemical affinity between CNE and CLAY-B, between CNE and PN, and between CNE and PN-LSN, although it is not clear which is the most favored pair among them.
Berthollet's ideas on chemical affinity, equilibrium, and the effects of mass changes on chemical reactions were presented in his two books printed at the beginning of the 19th century.
Nearly all elements and minerals have a much greater chemical affinity for calcium than they have for aluminum or iron, and once it is added, they go into chemical compound with it, in which form they are highly available to crops of almost every kind.
This is achieved by use of small chemical affinity ligands designed to bind a target biomolecule specifically and reversibly.
These polymers show a certain chemical affinity for the original molecule and can be used to fabricate sensors.
Many EPDM materials have excellent physical properties but their chemical affinity for metal makes them difficult to process," states Bill Burnham, Axel technical service representative.
Many EPDM (ethylene-propylene-diene-monomer) materials have desirable physical properties, but their chemical affinity for metal makes them difficult to process.
Prolinx released SPM-HC High-Capacity Beads and Protein Releasing Reagent as part of its Versalinx Chemical Affinity Tools .
Getters are characterized by their chemical affinity for different gases and by the diffusivity of each chemisorbed species into the bulk of the getter material.

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