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Automated Method to Determine Magnesium in Water and Wastewater
In the past, the determination of magnesium in water and waste discharges required a rather cumbersome and tedious analytic procedure. The usual procedure for magnesium involves the EDTA titration of total hardness and calcium, with magnesium calculated by differences, as described in Standard Methods. This article describes an automated method using an autoanalyzer. The procedure is based on the development of a blue complex between magnesium hydroxide and magnesium blue added to raise the pH to 11 to produce maximum color development. The intensity of the blue color is directly proportional to the concentration of magnesium in the sample.
Automated Method to Determine Magnesium in Water and Wastewater
In the past, the determination of magnesium in water and waste discharges required a rather cumbersome and tedious analytic procedure. The usual procedure for magnesium involves the EDTA titration of total hardness and calcium, with magnesium calculated by differences, as described in Standard Methods. This article describes an automated method using an autoanalyzer. The procedure is based on the development of a blue complex between magnesium hydroxide and magnesium blue added to raise the pH to 11 to produce maximum color development. The intensity of the blue color is directly proportional to the concentration of magnesium in the sample.
Automated Method to Determine Magnesium in Water and Wastewater
Kelley, Preston W. (author) / Fuller, Frederic D. (author)
Journal ‐ American Water Works Association ; 59 ; 745-751
1967-06-01
7 pages
Article (Journal)
Electronic Resource
English
Color , Calcium , Magnesium , Standard Methods , Hardness , Wastewater , pH