Oral bioaccessibility of metal(loid)s in dust materials from mining areas of northern Namibia

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41210%2F19%3A79238" target="_blank" >RIV/60460709:41210/19:79238 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61388980:_____/19:00501494 RIV/00216208:11310/19:10397045

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S0160412018323560?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0160412018323560?via%3Dihub</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.envint.2018.12.027" target="_blank" >10.1016/j.envint.2018.12.027</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Oral bioaccessibility of metal(loid)s in dust materials from mining areas of northern Namibia

Popis výsledku v původním jazyce

Ore mining and processing in semi-arid areas is responsible for the generation of metalloid containing dust, which is easily transported by wind to the surrounding environment. To assess the human exposure to dustderived metalloids As, Cd, Cu, Pb, Sb, Zn, as well as the potential risks related to incidental dust ingestion, we studied mine tailing dust , slag dust and smelter dust from old mining and smelting sites in northern Namibia Kombat, Berg Aukas, Tsumeb. In vitro bioaccessibility testing using extraction in simulated gastric fluid SGF was combined with determination of grain size distributions, chemical and mineralogical characterizations and leaching tests conducted on original dust samples and separated PM10 fractions. Extremely high As and Pb bioaccessibilities in the smelter dusts were caused by the presence of highly soluble phases such as arsenolite and various metal arsenates unstable under the acidic conditions of SGF. The exposure estimates calculated for an adult person of 70 kg

Název v anglickém jazyce

Oral bioaccessibility of metal(loid)s in dust materials from mining areas of northern Namibia

Popis výsledku anglicky

Ore mining and processing in semi-arid areas is responsible for the generation of metalloid containing dust, which is easily transported by wind to the surrounding environment. To assess the human exposure to dustderived metalloids As, Cd, Cu, Pb, Sb, Zn, as well as the potential risks related to incidental dust ingestion, we studied mine tailing dust , slag dust and smelter dust from old mining and smelting sites in northern Namibia Kombat, Berg Aukas, Tsumeb. In vitro bioaccessibility testing using extraction in simulated gastric fluid SGF was combined with determination of grain size distributions, chemical and mineralogical characterizations and leaching tests conducted on original dust samples and separated PM10 fractions. Extremely high As and Pb bioaccessibilities in the smelter dusts were caused by the presence of highly soluble phases such as arsenolite and various metal arsenates unstable under the acidic conditions of SGF. The exposure estimates calculated for an adult person of 70 kg

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

40104 - Soil science

Projekt

<a href="/cs/project/GA16-13142S" target="_blank" >GA16-13142S: Těžba a zpracování Cu, Pb, Zn a Co rud v subsaharské Africe – přírodní geochemická laboratoř pro studium chování polutantů</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2019

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Environment International

ISSN

0160-4120

e-ISSN

1873-6750

Svazek periodika

124

Číslo periodika v rámci svazku

MAR

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

11

Strana od-do

205-215

Kód UT WoS článku

000457122700021

EID výsledku v databázi Scopus

2-s2.0-85059839483