Spectroscopic evidence for the formation of layered Ni--Al double hydroxides in cement

Article Abstract:

The study examines the solubility-limiting phase of Ni in cement by means of X-ray absorption fine structure (XAFS) spectroscopy and diffuse reflectance spectroscopy.

Cement industry, Radioactive waste disposal, Hazardous wastes

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Glass transition behavior in a peat humic acid and an aquatic fulvic acid

Article Abstract:

This study of natural organic matter (NOM) uses the theory of glass transition behavior to further the knowledge of contaminant interactions. Evidence of glass transition behavior in humic materials from soil and streams is presented.

Bioremediation, Humic acid, Fulvic acids, Humic acids

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Sorption mechanisms of zinc to calcium silicate hydrate: X-ray absorption fine structure (XAFS) investigation

Article Abstract:

X-ray absorption fine structure spectroscopy (XAFS) is used to help explain the binding mechanisms of Zn(II) to calcium silicate hydrate (C-S-H). The information is important because it is essential for the evaluation of the long-term behavior of cement-stabilized waste materials.

Switzerland, Primary nonferrous metals, not elsewhere classified, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Zinc, Solid Waste Landfill, Usage, Environmental aspects, Refuse disposal industry, Waste management industry, Zinc products, Sanitary landfills, Cement, Cements (Building materials), Heavy metals

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