ionic strength


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ionic strength

[ī′än·ik ′streŋkth]
(physical chemistry)
A measure of the average electrostatic interactions among ions in an electrolyte; it is equal to one-half the sum of the terms obtained by multiplying the molality of each ion by its valence squared.
References in periodicals archive ?
forward and reverse typing card in technical: 33859 thinner and low ionic strength (liss).
The researchers examined the influence of pH, ionic strength and temperature on the physical stability of the beta-carotene-enriched emulsions.
Hydrogels undergo a volume phase transition in response to a change in their environment such as temperature, pH, ionic strength, solvent and electric fields, and so on.
Increasing the ionic strength of the interaction buffer inhibited the binding, thereby implicating charged residues; however, no role was found for the charged amino acid lysine.
The composition comprises a water-soluble film encapsulating a liquid treatment composition and a pre-crystallized organic pearlescent dispersion that is comprised of a pearlescent agent, a surfactant selected from the group consisting of linear or branched C12-C14 alkyl sulfate, alkyl ether sulfate, and mixtures thereof; water and adjuncts selected from the group consisting of buffers, pH modifiers, viscosity modifiers, ionic strength modifiers, fatty alcohols, amphoteric surfactants, and mixtures thereof; a carrier; a co-crystallizing agent and optionally, a laundry adjunct.
Many factors influence the functional properties of proteins such as moisture, temperature, pH, reaction time, chemical additives, mechanical processing and ionic strength and amount [9].
In contrast, reagent strips measure ionic strength and are not affected by protein, glucose, or contrast agents.
3+] activity values from the subsurface soil were about twice as high as those from the surface soil layer (Table 3), which is mainly due to the higher values of pH, DOC content, and ionic strength in the surface layer.
In both types of protocols the choice of pH and ionic strength of the buffer solution and TBA concentration is highly variable in different studies (Table 1).