free ion

free ion

[¦frē ′ī‚än]
(physical chemistry)
An ion, such as found in an ionized gas, whose properties, such as spectrum and magnetic moment, are not significantly affected by other atoms, ions, or molecules nearby.
References in periodicals archive ?
Commonly used models to predict metal bioavailability consider the free ion as the major bioavailable species.
Consumers use the free ION Rewards app for iOS and Android for in-store checkouts.
Here one side of the junction was chosen as Sample 1 in Table 1 and the other side as Sample 1 in Table 2 so as to keep the free ion concentration equal on each side.
The free ion activities of Cd, Cu, Ni, and Zn were calculated from soil solution parameters described above, using WHAM (Windermere Humic Aqueous Model) version 6.
This variation is due to the difference in the concentration of free ion due to the presence of industry waste, which contain free ions like K+ Cl-.
Key Words: Spider species; Hemolymph; Biochemical; Free ion
Although substantial proportions of solution Pb were complexed by soluble organic matter, free ion ([Pb.
The difference between the voltage readings at the two positions is indicative of differences in free ion concentrations at the two locations.
Free ion activity of trace metals is considered a good indicator of bioavailability (McBride 2001; Hough et al.