POTENTIOMETRIC TITRATION OF SODIUM AND POTASSIUM FERROCYANIDE
نویسندگان
چکیده
منابع مشابه
Direct potentiometric measurement of sodium and potassium in whole blood.
I compared results for sodium and potassium in whole blood and plasma as measured with a newly available potentiometric analyzer, the "Orion SS-30". No significant difference was found for either sodium or potassium in 207 such comparisons. With use of the flowing, high mixing-velocity liquid junction of the Orion SS-30, the residual liquid junction potential due to blood cells was found to be ...
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Results obtained with a potentiometric analyzer, NOVA 1, specific for sodium and potassium, were compared with those by flame photometry. Both instruments showed linearity within a physiological range of sodium and potassium concentrations and had similar precisions. Volume displacements from addition of albumin or Intralipid to aqueous samples yielded the predicted lower flame-photometric resu...
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Potentiometric titrations of pepsinogen as functions of ionic strength and temperature were studied. It was found that the ionic strength has a minor effect on the titration behavior of the protein. The maximum values of the buffering capacity in the pH range of 6.0 to 9.0 were found at pH values corresponding to those at which a conformational change of the protein occurs as determined by opti...
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Accurate measurement and analysis are very important tasks for many applications ranging from industrial operations, analytical laboratories to biological processes. In modern analytical chemistry, automatic titrators have more prominence than manual interpretations. Various instruments have been developed and proposed in the past to carry out potentiometric titrations. Also there are suppliers...
متن کاملDirect potentiometric determination of potassium and sodium in blood, plasma, and serum.
A potentiometric analyzer, developed to directly measure potassium and sodium concentrations, was evaluated on aqueous solutions, whole blood, serum, and plasma. The analyzer consists of three electrodes-sodium, potassium, and reference-mounted in a fIowcell configuration, and a modified digital pH meter, which displays the ion concentrations directly. Volume of the cell is about 100 l. The ele...
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ژورنال
عنوان ژورنال: Bulletin of the Chemical Society of Japan
سال: 1932
ISSN: 0009-2673,1348-0634
DOI: 10.1246/bcsj.7.188