A review of the source, behaviour and distribution of arsenic in natural waters

PL Smedley, DG Kinniburgh - Applied geochemistry, 2002‏ - Elsevier
The range of As concentrations found in natural waters is large, ranging from less than 0.5
μg l− 1 to more than 5000 μg l− 1. Typical concentrations in freshwater are less than 10 μg l …

Chemical sequential extraction for metal partitioning in environmental solid samples.

AV Filgueiras, I Lavilla, C Bendicho - Journal of Environmental …, 2002‏ - pubs.rsc.org
A comprehensive review of the sequential extraction schemes for metal fractionation in
environmental samples (ie, sediment, soil, sewage sludge, fly ash, etc.) is presented. The …

Arsenic mobility and groundwater extraction in Bangladesh

CF Harvey, CH Swartz, ABM Badruzzaman… - Science, 2002‏ - science.org
High levels of arsenic in well water are causing widespread poisoning in Bangladesh. In a
typical aquifer in southern Bangladesh, chemical data imply that arsenic mobilization is …

Molecular evidence of arsenic mobility linked to biodegradable organic matter

W Qiao, H Guo, C He, Q Shi, W **u… - Environmental Science & …, 2020‏ - ACS Publications
Molecular characteristics of natural organic matter (NOM) and their potential connections to
arsenic enrichment processes remain poorly understood. Here, we examine dissolved …

Impact of iron and sulfur cycling on the bioavailability of cadmium and arsenic in co-contaminated paddy soil

Y Yin, Y Wang, C Ding, Z Zhou, X Tang, L He… - Journal of Hazardous …, 2024‏ - Elsevier
The biogeochemical cycling of iron (Fe) or sulfur (S) in paddy soil influences the cadmium
(Cd) and arsenic (As) migration. However, the influence of coupled reduction effects and …

The removal of arsenic from water using natural iron oxide minerals

S Aredes, B Klein, M Pawlik - Journal of Cleaner Production, 2013‏ - Elsevier
The contamination of groundwater with arsenic is a serious health issue in many parts of the
world. Although iron has been shown to be effective at removal of arsenic from water, there …

Arsenic (V) adsorption from aqueous solution onto goethite, hematite, magnetite and zero-valent iron: Effects of pH, concentration and reversibility

Y Mamindy-Pajany, C Hurel, N Marmier, M Roméo - Desalination, 2011‏ - Elsevier
In this paper, adsorption of arsenic (V) was studied under different physico-chemical
conditions onto four commercial adsorbents: hematite, goethite, magnetite and zero-valent …

Arsenic removal with iron (II) and iron (III) in waters with high silicate and phosphate concentrations

LC Roberts, SJ Hug, T Ruettimann… - Environmental …, 2004‏ - ACS Publications
Arsenic removal by passive treatment, in which naturally present Fe (II) is oxidized by
aeration and the forming iron (III)(hydr) oxides precipitate with adsorbed arsenic, is the …

Effects of denitrification on speciation and redistribution of arsenic in estuarine sediments

Y Ding, Y Li, T You, S Liu, S Wang, X Zeng, Y Jia - Water research, 2024‏ - Elsevier
Microbially-mediated redox processes involving arsenic (As) and its host minerals
significantly contribute to the mobilization of As in estuarine sediments. Despite its …

The influence of sulfur and iron on dissolved arsenic concentrations in the shallow subsurface under changing redox conditions

PA O'Day, D Vlassopoulos, R Root, N Rivera - Proceedings of the …, 2004‏ - pnas.org
The chemical speciation of arsenic in sediments and porewaters of aquifers is the critical
factor that determines whether dissolved arsenic accumulates to potentially toxic levels …