Abstract
RECENTLY, a new colorimetric reagent was introduced for the spectrophotometric determination of magnesium1. This reagent (LaMotte Chemical Products Co., Chestertown, Md.), 1-azo-2-hydroxy-3-(2.4-dimethylcarboxanilido)-naphthalene-1′-(2-hydroxybenzene), given the trivial name ‘magon’, has now been found to be useful as an indicator in the direct titrimetric determination of small amounts of magnesium.
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MAIER, R. A New Sensitive Indicator for Semi-Micro Chelometric Titrations. Nature 183, 461–462 (1959). https://doi.org/10.1038/183461a0
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DOI: https://doi.org/10.1038/183461a0
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