نتایج جستجو برای: absorption of lead

تعداد نتایج: 21185480  

2015

In this study, the concentrations of some essential (Ca, Cu, Fe, Mg, Mn, Ni, and Zn) and non-essential metals (Cd and Pb) were determined in blood of pregnant women aged between 15 – 45 years and enrolled at the Obafemi Awolowo University Teaching Hospitals Complex, Ile – Ife, Nigeria, for antenatal care. Fifty samples of whole blood were collected from the pregnant women and twenty five sample...

Journal: :journal of occupational health and epidemiology 0
mr rezaei assistant professor of environmental sciences, natural resource and environment school, university of birjand, birjand, iran mh sayadi assistant professor of environmental sciences, natural resource and environment school, university of birjand, birjand, iran

background: composition of dust in the air due to contact with human via inhalation, ingestion and skin absorption will have a large impact on public health. in the learning environments such as universities, many people spend most of their day in contact with the dust. the purpose of this study was to evaluate the concentration of heavy metals lead, chromium and copper in the training space of...

Journal: :Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2017
Nil Ozbek Gulcin Torunoglu Turan Bahire Filiz Senkal Suleyman Akman

In this study, at first the synthesis of 3-chloro-2-hydroxypropyl methacrylate-ethylene glycole dimethacrylate co-polymer beads and its modification with tris(2-aminoethyl) amine is described. Characterization of the polymer was done by FTIR and SEM. The functional co-polymer was filled in a disposable pipet tip and tightly connected to a 50-mL syringe for the separation and the enrichment of l...

Journal: :Analytical and bioanalytical chemistry 2003
Jamal A Sweileh

Human hair shavings were characterized as a sorbent for trace metals. At pH 7.0 metal sorption follows the order Pb(II)>Cd(II)>Cr(VI)>Fe(III)>Cu(II)>Ni(II)>Mn(VI). Metal recovery is quantitative for Pb and Cd after 30 min of equilibration. Recovery of other metals is less quantitative and varies with pH. For example, while Cu is best recovered at pH 5, Ni and Mn are sorbed optimally in the basi...

Journal: :Nippon Eiseigaku Zasshi (Japanese Journal of Hygiene) 1965

Journal: :Journal of the Ceramic Association, Japan 1980

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