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.
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Thus, the ionic strength of 50% I was observed efficiency maximum of mineral elements with operations in photosynthesis, since the nitrogen, which is essential for the biochemical composition of several non-protein compounds such as coenzymes, secondary metabolites, polyamines, photosynthetic pigments (BENLLOCH-GONZALEZ et al., 2010) and fundamental role in the activity or quantity of Rubisco (URBAN, 2012).
The formation of boronate is dependent on pH, ionic strength, and temperature.
The potentiometric method facilitates fluoride detection in the concentration range 0.1 to 10 ppm; this method also requires a total ionic strength adjustment buffer solution (TISAB) to control pH, adjust the total ionic strength, and maintain the fluoride ion in a freely dissolved form in solution (Standard Methods 1998) [16].
As stated by Bockris and Reddy (1972), the reduced cation concentration was associated with reduced ionic strength, which was consequently associated with enhanced 13.
Thermodynamic quantities have been derived from overall stability constants: Stability constant and Themodynamic parameters for M(II)-Thymidine complexes in aqueous media at ionic strength 0.1m LiCl[O.sub.4]
The composition has an ionic strength of less than 0.75 mole/kg and a viscosity of from about 9 Pa-s to about 16 Pa*s.
Additionally, as the solution ionic strength increases, these instruments can "cook" the samples onto the electrodes and cause electrolysis of the mobile phase with the resultant gas bubbles.
The inner-sphere and outer-sphere complexes can be distinguished by studying the effect of ionic strength on anion partitioning (Hayes et al.
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).
These materials can be synthesized to respond to a number of physiological stimuli present in the body, such as pH, ionic strength and temperature.
To study the influence of ionic strength, experiments were performed at 400 rpm with incremental concentrations of NaCl.
Because composition of the assay buffer may play a vital role in controlling the physicochemical processes of immunological recognition and agglutination (13,24-25), we sought to optimize the composition of the reaction medium for the immunoagglutination assays within required ranges of pH, ionic strength, and surfactants.