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Type: Artigo de periódico
Title: Determination Of Calcium And Magnesium In Limestone And Dolomite By Enthalpimetric Flow-injection Analysis.
Author: de Oliveira, W A
Mendes, A S
Abstract: A flow-enthalpimetric method for the determination of calcium and magnesium in limestone and dolomite is described. Calcium is determined by measuring the heat evolved from the substitution reaction with Mg-EDTA. The amount of magnesium is calculated from the calcium content and the enthalpimetric signal for the reaction of the sample solution with disodium-EDTA, which gives the total concentration of calcium and magnesium. Analysis of reference materials and other samples indicates an error not exceeding 0.3% of CaO and MgO, and a sampling rate of 100 samples per hour.
Rights: fechado
Identifier DOI: 
Date Issue: 1987
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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