Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Chemical speciation of trace metals in atmospheric deposition and impacts on soil geochemistry and vegetable bioaccumulation near a large copper smelter in China

Hailong Liu, Jun Zhou, Min Li, Daniel Obrist, Xiaozhi Wang, Jing Zhou

Journal of Hazardous Materials · 2021

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Summary

This 2021 study examined chemical speciation of trace metals in atmospheric deposition near a large copper smelter in China, and quantified how these metals accumulate in agricultural soils and subsequently bioaccumulate in vegetables. The work integrates atmospheric geochemistry with soil and crop contamination pathways, as suggested by the title and journal scope. The findings contribute to understanding how industrial emissions contaminate food crops through soil-plant transfer mechanisms.

UK applicability

UK smelting operations are now limited and subject to stricter atmospheric emissions controls than historical Chinese facilities, reducing direct applicability. However, the methodology for assessing trace metal speciation in soils and crop bioaccumulation could inform UK contaminated land assessment protocols and food safety monitoring near legacy industrial sites.

Key measures

Chemical speciation of trace metals in atmospheric deposition, soil metal concentrations and speciation, vegetable tissue metal concentrations and bioaccumulation factors

Outcomes reported

The study characterised the chemical speciation of trace metals (particularly copper) in atmospheric deposition near a copper smelter and quantified their bioaccumulation in vegetables grown in contaminated soils. It examined how atmospheric metal inputs alter soil geochemistry and subsequently transfer to edible crops.

Theme
Nutrition & health
Subject
Pesticides, contaminants & food safety
Study type
Research
Study design
Field study with environmental sampling and analysis
Source type
Peer-reviewed study
Status
Published
Geography
China
System type
Horticulture
DOI
10.1016/j.jhazmat.2021.125346
Catalogue ID
SNmov5ix44-am664y

Topic tags

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