Formation and stability of Ni− Al hydroxide phases in soils

E Peltier, D Lelie, DL Sparks - Environmental science & …, 2010 - ACS Publications
The formation of mixed metal− aluminum hydroxide surface precipitates is a potentially
significant uptake route for trace metals (including Co, Ni, and Zn) in environmental systems …

Kinetics of mixed Ni− Al precipitate formation on a soil clay fraction

DR Roberts, AM Scheidegger… - Environmental science & …, 1999 - ACS Publications
The kinetics of mixed Ni− Al layered double hydroxide (LDH) precipitate formation on a soil
clay fraction was monitored using X-ray absorption fine structure (XAFS) spectroscopy. The …

Surface‐induced nickel hydroxide precipitation in the presence of citrate and salicylate

NU Yamaguchi, AC Scheinost… - Soil Science Society of …, 2001 - Wiley Online Library
Formation of surface‐induced precipitates may play an important role in the immobilization
of Ni and other metals in nonacidic soils. To investigate the influence of commonly present …

Nickel sequestration in a kaolinite-humic acid complex

M Nachtegaal, DL Sparks - Environmental science & technology, 2003 - ACS Publications
Incorporation of first row transition metals into stable surface precipitates can play an
important role in reducing the bioavailability of these metals in neutral and alkaline soils …

Kinetics of Ni sorption in soils: roles of soil organic matter and Ni precipitation

Z Shi, E Peltier, DL Sparks - Environmental science & technology, 2012 - ACS Publications
The kinetics of Ni sorption to two Delaware agricultural soils were studied to quantitatively
assess the relative importance of Ni adsorption on soil organic matter (SOM) and the …

The link between clay mineral weathering and the stabilization of Ni surface precipitates

RG Ford, AC Scheinost, KG Scheckel… - … science & technology, 1999 - ACS Publications
The formation of transition-metal surface precipitates may occur during sorption to clay
minerals under ambient soil conditions. This process may lead to significant long-term …

[HTML][HTML] Competitive sorption of Ni and Zn at the aluminum oxide/water interface: an XAFS study

W Gou, MG Siebecker, Z Wang, W Li - Geochemical transactions, 2018 - Springer
Abstract Trace metals (eg Ni, Zn) leached from industrial and agricultural processes are
often simultaneously present in contaminated soils and sediments. Their mobility …

Spectroscopic evidence for the formation of mixed-cation hydroxide phases upon metal sorption on clays and aluminum oxides

AM Scheidegger, GM Lamble, DL Sparks - Journal of Colloid and Interface …, 1997 - Elsevier
Retention of heavy metal ions on soil mineral surfaces is an important process for
maintaining environmental quality. A thorough understanding of the kinetics and …

Ni adsorption and Ni–Al LDH precipitation in a sandy aquifer: An experimental and mechanistic modeling study

IC Regelink, EJM Temminghoff - Environmental Pollution, 2011 - Elsevier
Mining activities and industries have created nickel (Ni) contaminations in many parts of the
world. The objective of this study is to increase our understanding of Ni adsorption and …

Stability of layered Ni hydroxide surface precipitates—a dissolution kinetics study

KG Scheckel, AC Scheinost, RG Ford… - … et Cosmochimica Acta, 2000 - Elsevier
In recent years, studies have shown that sorption of metals onto natural materials results in
the formation of new mineral-like precipitate phases. However, the stability of the …