Jiafeng Wang
Abstract
A method is developed to determine the total rare earths as well as the cerium group in phosphates by spectrophotometry using TBA as chromo-genic reagent. The cerium group rare earths can be determined in a HAc-NaAe buffer (pH 3.2-3.4)using Mn-CyDTA to mask the yttrium group. The results are satisfactory.
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A method is developed to determine the total rare earths as well as the cerium group in phosphates by spectrophotometry using TBA as chromo-genic reagent. The cerium group rare earths can be determined in a HAc-NaAe buffer (pH 3.2-3.4)using Mn-CyDTA to mask the yttrium group. The results are satisfactory.
Key concepts: Cerium, Yttrium, Reagent, Chemistry, Rare earth, Spectrophotometry, Group (periodic table), Inorganic chemistry