scholarly journals Direct determination of free metal concentration by implementing stripping chronopotentiometry as the second stage of AGNES

The Analyst ◽  
2011 ◽  
Vol 136 (20) ◽  
pp. 4337 ◽  
Author(s):  
C. Parat ◽  
L. Authier ◽  
D. Aguilar ◽  
E. Companys ◽  
J. Puy ◽  
...  
Keyword(s):  
Metal Concentration ◽  
Direct Determination ◽  
Second Stage ◽  
Stripping Chronopotentiometry ◽  
Free Metal

On An Extension of the Use of pH-Titrations for Determination of Free Metal and Free Ligand Concentrations During Metal Complex Formation

1973 ◽  
Vol 51 (21) ◽  
pp. 3572-3576 ◽  
Author(s):  
W. A. E. McBryde
Keyword(s):  
Complex Formation ◽  
Metal Complex ◽  
Metal Complexes ◽  
Metal Concentration ◽  
Free Ligand ◽  
Ligand Concentration ◽  
Theoretical Treatment ◽  
Free Metal

A method introduced by R. Osterberg for the measurement of free ligand concentration during the formation of metal complexes has recently been extended by Sarkar and Kruck to include measurement of free metal concentration. The method is based on suitable manipulation of the data from sets of pH titrations. This paper gives a new theoretical treatment of the method and its extension, and shows how the functions developed are related to other parameters of complex formation. A special advantage of Osterberg's method as extended is its capability of being applied when protonated or deprotonated complexes form.

The Direct Determination of I131 in Heterogeneous Fecal Specimens

1961 ◽  
Vol 41 (4) ◽  
pp. 380-384 ◽  
Author(s):  
Arthur F. Dratz ◽  
James C. Coberly
Keyword(s):  
Direct Determination

A New Method for Direct Determination of the Recoilless Fraction with Application to Magnetic Nanoparticles

2002 ◽  
Vol 721 ◽  
Author(s):  
Monica Sorescu
Keyword(s):  
Room Temperature ◽  
Average Particle Size ◽  
Direct Determination ◽  
Average Particle ◽  
Lattice Method ◽  
Recoilless Fraction ◽  
Single Room ◽  
Magnetite Particles ◽  
Physical Mixtures

AbstractWe propose a two-lattice method for direct determination of the recoilless fraction using a single room-temperature transmission Mössbauer measurement. The method is first demonstrated for the case of iron and metallic glass two-foil system and is next generalized for the case of physical mixtures of two powders. We further apply this method to determine the recoilless fraction of hematite and magnetite particles. Finally, we provide direct measurement of the recoilless fraction in nanohematite and nanomagnetite with an average particle size of 19 nm.

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