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What is EDTA Titration for Ca-Mg Analysis about?

This document describes a procedure to determine the calcium and magnesium concentrations in a brine sample through EDTA titration. First, a total hardness titration is performed under basic conditions to titrate both Ca and Mg. Then, Mg is precipitated as Mg(OH)2 by increasing the pH, and a second titration determines just the remaining Ca concentration. The difference between the total hardness and Ca concentrations gives the Mg concentration. The procedure provides skills in quantitative metal analysis a

Author

nisscri

Language

EN