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Statistically coherent calibration of X Ray Fluorescence Spectrometry for major elements in rocks in minerals

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Figure 1: Linear correlation coefficient (r) values for the ordinary least-squares linear regression (OLR) and uncertainty-based weighted least-squares linear regression (UWLR) models for the XRF calibration of major elements (SiO 2 to P 2 O 5 ) in rocks and
Figure 3: New parameters δu b (for the intercept) and δu m (for the

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