Zinc

and, Svetlana Peganova; Eder, Klaus

doi:10.1002/9783527619634.ch50

Cited by 7 publications

(2 citation statements)

References 179 publications

(103 reference statements)

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“…Both missy setups equipped with the self-manufactured probes were found to be suitable for a direct micro sampling of sediment pore water. The distributions of Mn and Fe, Co, Zn, and Sb were generally congruent to those reported for freshwater systems demonstrating the direct applicability of the missy for analyses in standard concentration ranges of close to natural sediment pore waters (μg/L to mg/L). Nevertheless, for both setups, some aspects were identified that have to be taken into account: in the case of setup 1, the higher dead volume of 121 μL caused a stronger shift of the sampling depth in relation to the microprofiling measurements (Tables SI8 and SI9, Supporting Information).…”

Section: Resultssupporting

confidence: 72%

New Microprofiling and Micro Sampling System for Water Saturated Environmental Boundary Layers

Fabricius

Duester

Ecker

et al. 2014

Environ. Sci. Technol.

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The spatial high resolution of a microprofiling system was combined with the multi element capability of ICP-MS to enable a better understanding of element distributions and related processes across environmental boundary layers. A combination of a microprofiling system with a new micro filtration probe head connected to a pump and a fraction collector (microprofiling and micro sampling system, missy) is presented. This enables for the first time a direct, dynamic, and high resolution automatic sampling of small water volumes (<500 μL) from depth profiles of water saturated matrices (e.g., sediments, soils, biofilms). Different membrane cut-offs are available, and resolutions of a few (matrices with a high physical resistance) to a submillimeter scale (matrices with low physical resistance) can be achieved. In this Article, (i) the modular setups of two missys are presented; (ii) it is demonstrated how the micro probe heads are manufactured; (iii) background concentrations and recoveries of the system as well as (iv) exemplary results of a sediment water interface are delivered. On the basis of this, potentials, possible sources of errors, and future applications of the new missy are discussed.

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Section: Resultssupporting

confidence: 72%

New Microprofiling and Micro Sampling System for Water Saturated Environmental Boundary Layers

Fabricius

Duester

Ecker

et al. 2014

Environ. Sci. Technol.

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“…Then, when in cationic form, heavy metals can be adsorbed by clay minerals and carbonates, or complexed by humic substances, especially at sub-alkaline pH (e.g. Chuan et al, 1996;Peganova & Edler, 2004), so slowing down their availability. However, the amount of extractable Cu, Ni, Pb, and Zn of our soils gave not significant tendency lines when related to total carbonates, active carbonate, TOC, and clay minerals (2:1 clay minerals plus kaolinite) content (Fig.…”

Section: Recreational Areasmentioning

confidence: 99%

Heavy metal load and effects on biochemical properties in urban soils of a medium-sized city, Ancona, Italy

Serrani

Ajmone-Marsan

Corti

et al. 2021

Environ Geochem Health

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Urban soils are often mixed with extraneous materials and show a high spatial variability that determine great differences from their agricultural or natural counterparts. The soils of 18 localities of a medium-sized city (Ancona, Italy) were analysed for their main physicochemical and biological properties, and for chromium (Cr), copper (Cu), cobalt (Co), lead (Pb), nickel (Ni), zinc (Zn), and mercury (Hg) total content, distribution among particle-size fractions, and extractability. Because of the absence of thresholds defining a hot spot for heavy metal pollution in urban soils, we defined a “threshold of attention” (ToA) for each heavy metal aiming to bring out hot spot soils where it is more impellent to intervene to mitigate or avoid potential environmental concerns. In several city locations, the soil displayed sub-alkaline pH, large contents of clay-size particles, and higher TOC, total N, and available P with respect to the surrounding rural areas, joined with high contents of total heavy metals, but low availability. The C biomass, basal respiration, qCO2, and enzyme activities were compared to that detected in the near rural soils, and results suggested that heavy metals content has not substantially compromised the soil ecological services. We conclude that ToA can be considered as a valuable tool to highlight soil hot spots especially for cities with a long material history and, for a proper risk assessment in urban soils, we suggest considering the content of available heavy metals (rather than the total content) and soil functions.

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Soil versus plant as indicators of agroecosystem pollution by potentially toxic elements

Agrelli

Adamo

Cirillo

et al. 2017

J. Plant Nutr. Soil Sci.

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The major route of potentially toxic elements (PTEs) to humans is the intake through food. They enter the food chain principally by plants uptake from the soil and, to a less extent, through foliar deposition. The soil‐to‐plant transfer as part of the biogeochemical cycle of these elements is a complex and hardly predictable process. In this study, we investigated the capability of soils and plants to indicate PTEs inputs in an intermingled urban‐rural landscape of south Italy affected by legal and illegal waste disposal and dumping. For this aim, 172 agricultural soil and plant (edible part) samples were collected in pairs from 47 municipalities and analyzed for 12 PTEs (As, Be, Cd, Co, Cu, Cr, Ni, Pb, Se, Tl, V, Zn). Soil extractions with 1 M NH4NO3 and 0.05 M EDTA pH 7 were applied to assess PTEs bioavailability. Results were examined according to plant species and main soil chemical properties. For Pb and Cd, the soil‐to‐plant transfer factors (TF) and the corresponding soil benchmark concentrations were also investigated. Zinc, Cu, Cd, and Pb were the only PTEs of anthropic origin severely polluting from 10 to 16% of the soils, but only in a very few cases exceeded physiological or EU legal critical values in the edible part of the plants. An evaluation of human risk due to the ingestion of these elements was tried; no risk for consumers for Zn, Cu, and Pb, while for Cd three values slightly exceeded the tolerable daily intake. Therefore, we conclude that crops cultivated in the studied area could represent only a moderate risk for human health. No correlation was found between soil and plant data, which likely highlights different pollution inputs. A large variability characterized the Pb and Cd TF, making it difficult to establish a unique benchmark concentration for the studied agricultural soils.

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Zinc

Cited by 7 publications

References 179 publications

New Microprofiling and Micro Sampling System for Water Saturated Environmental Boundary Layers

New Microprofiling and Micro Sampling System for Water Saturated Environmental Boundary Layers

Heavy metal load and effects on biochemical properties in urban soils of a medium-sized city, Ancona, Italy

Soil versus plant as indicators of agroecosystem pollution by potentially toxic elements

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