Method of analyzing washing for metal and apparatus for same

Details Method of analyzing washing for metal and apparatus for same Method of analyzing washing for metal and apparatus for same

G - Physics

01

N

150/23, 324/26

G01N 25/48 (2006.01) G01N 27/06 (2006.01) G01N 27/10 (2006.01) G01N 31/16 (2006.01) G01N 33/20 (2006.01)

Patent

CA 2010698

A method of analyzing a solution eluted from a metal pickled and an apparatus for the same are provided. A reagent is added to the solution to analyze a temperature titration and a change of ionic dissociations of reaction products. A temperature and an electrical conductibilitY of the solution during the reaction are measured to obtain a differential temperature curve and an electrical conductibility curve. The pseudoequivalent points of the reactions of the respective dissolved substances are determined from the differential temperature curve and kinds of the substances are identified from peak values of measured values on the electrical conductibility curve.

L'invention porte sur l'analyse d'une solution éluée, provenant d'un métal décapé, et sur un appareil utile à cette fin. Un réactif est ajouté à la solution pour l'analyse par dosage en fonction de la température et de la variation de la dissociation ionique des produits de réaction. La température et la conductivité électrique de la solution sont mesurées pendant la réaction pour obtenir une courbe de variation de la température et une courbe de conductivité électrique. Les points de pseudoéquivalence des réactions des substances dissoutes respectives sont déterminés à partir de la courbe de variation de température, et le type de substance est caractérisé d'après les valeurs pics mesurées sur la courbe de conductivité électrique.

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