Three calibration techniques combined with sample-effective design of experiment based on Latin hypercube sampling for direct detection of lanthanides in REE-rich ores using TXRF and WDXRF
Timur F. Akhmetzhanov, Galina V. Pashkova, В. М. Чубаров, Timur A. Labutin, А. М. Попов
Abstract
We compared multivariate and univariate models for simultaneous detection of Ce, La, Nd, Pr, Sm in ores and nodules using TXRF and WDXRF. DoE based on Latin hypercube sampling provided a low correlation between the content of REEs in calibration set.
Topics & Concepts
Latin hypercube samplingLanthanideCalibrationSampling (signal processing)UnivariateSample (material)Multivariate statisticsSet (abstract data type)Analytical Chemistry (journal)ChemistryContent (measure theory)HypercubeMathematicsComputer scienceStatisticsMonte Carlo methodEnvironmental chemistryChromatographyCombinatoricsMathematical analysisComputer visionIonFilter (signal processing)Programming languageOrganic chemistryGeochemistry and Geologic MappingAnalytical chemistry methods developmentSpectroscopy and Chemometric Analyses