8 showed that the 238 U concentration in soil across varying pH ranges showed a clear trend: mean 238 U concentrations increased with pH, ranged from 74.12 ppb in strongly acidic soils (pH < 5.0) to 119.86 ppb in alkaline soils (pH > 8.0), with an overall mean of 94.87 ppb.
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Predictive modelling of Uranium (<sup>238</sup>U) and Thorium (<sup>232</sup>Th) in soils of Central India: integrating ICP-MS/MS, spectroscopic, and machine learning models.
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