نتایج جستجو برای: lead ion
تعداد نتایج: 537355 فیلتر نتایج به سال:
Research on compact, flexible optical sensors for water quality monitoring, specifically targeting heavy metal ion has become extremely important due to the increasing number of pollution incidents seen worldwide where such metals are involved. Optical fiber-based provide an excellent basis creating new sensing solutions across a wide area, including energy, healthcare, structural defense and i...
This paper describes the effects of pH, dissolved oxygen (DO), redox conditions, and mixing ratio of different rocks on the leaching behaviors of As and Pb from hydrothermally altered rock as well as the functional groups incorporating As and Pb in the rock. Most of As and Pb were incorporated in the residual or crystalline phase although significant amounts were also determined to be exchangea...
We coupled the diffusive gradients in thin-films (DGT) technique with two sequential extraction methods to investigate the influence of aging on As and Pb fractionation and availability in three soils spiked with As (40 or 400mgkg(-1)), Pb (150 or 1500mgkg(-1)) or As+Pb (40mgkg(-1) As and 150mgkg(-1) Pb). During aging, As moved from the more available (non-specifically and specifically sorbed) ...
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