2017-8-12 · In this paper, a new extraction method based on countercurrent liquid–liquid microextraction (CLLME) has been developed for the extraction and preconcentration of inorganic arsenic (iAs) in plasma and urine samples prior to their analysis by electrothermal atomic absorption spectrometry (ETAAS). In this method, firstly, 5 ml of water is added to the extraction vessel.
Read MoreSimultaneous speciation of inorganic selenium and tellurium in environmental water samples by polyaniline functionalized magnetic solid phase extraction coupled with ICP-MS detection Talanta . 2020 Jan 15;207:120314. doi: 10.1016/j.talanta.2019.120314.
Read More2021-1-10 · PubMed:Speciation of inorganic tellurium from seawater by ICP-MS following magnetic SPE separation and preconcentration. PubMed: Ni(II) removal from aqueous effluents by silylated clays. PubMed: MPTS-silica coated capillary microextraction on line hyphenated with inductively coupled plasma atomic emission spectrometry for the determination of ...
Read More8. Liqin Duan, Jinming Song, Xuegang Li, Huamao Yuan, Sisi Xu, Dissolved inorganic tin sources and its coupling with eco-environments in Bohai Bay, Environmental Monitoring and Assessment, 2012, 184:1335-1349 9.
Read More2019-9-11 · The main dissolved inorganic forms of Ga and In in seawater are the hydroxylated species Me(OH) 3 0 and Me(OH) 4 –, as derived from thermodynamic calculations (Byrne et al., 1988).The hydrolysis products of trivalent metals display a significant particle-reactivity in the oceans, thus leading to short residence times (Alibo et al., 1999; Obata et al., 2007).
Read More2018-5-13 · Although tellurite is highly toxic to organisms, elemental tellurium nanomaterials (TeNMs) have many uses. The microbe-mediated reduction of tellurite to Te(0) has been shown to be a green and cost-effective approach for turning waste into wealth. However, it is difficult to tune the morphology of biogenic nanomaterials. In this study, a series of experiments was conducted to investigate the ...
Read MoreChemical vapor generation (CVG) is an important sample introduction technique, and is widely used for atomic spectrometry for its enhanced sensitivity and selectivity. In the past 30 years, inductively coupled plasma mass spectrometry (ICP-MS) has become a widely used and the most sensitive instrument for (ultra-)trace element determination and elemental speciation.
Read More2001-3-10 · Speciation of Small Molecules and Inorganic Ions in Salmon Egg Cell Cytoplasm by Surfactant-Mediated HPLC/ICP-MS Major-to-Ultratrace Elements in Bone-Marrow Fluid as Determined by ICP-AES and ICP-MS Determination and Size-Fractional Distribution of the Elements in Garlic
Read More2008-2-28 · Man He, Shaowei Su, Beibei Chen, Bin Hu, Simultaneous speciation of inorganic selenium and tellurium in environmental water samples by polyaniline functionalized magnetic solid phase extraction coupled with ICP-MS detection, Talanta, 10.1016/j.talanta.2019.120314, (120314), (2019).
Read More2021-5-1 · The application of hyphenated techniques such as HPLC-ICP-MS or IC-ICP-MS al-lows for speciation analysis and simultaneous determination of several ionic forms of elements [27,28]. So far, this combined technique has not been applied to research on tellurium speciation in soils. Direct determination of tellurium in geological samples by
Read MoreContact Info. Stuart Chalk, Ph.D. Department of Chemistry University of North Florida Phone: 1-904-620-1938 Fax: 1-904-620-3535 Email: [email protected] Website: @unf
Read More2016-8-21 · 2016-08-21-,, 2016-07-01-,, 2015-07-01-2020-07-01,, 2014-07-01-2019-07-01,《》, 2012-12-31-2017-12-31,, 2012-01-01-2017-12-31,《》,
Read MoreSpeciation of inorganic tellurium fr om seawater by ICP-MS . following magnetic SPE separation and Preconcentration. J. Sep. Sci. 31: 760–767. ... In tellurium speciation studies, pre ...
Read MoreAn analytical technique is proposed to determine ultratrace concentrations of Mo, V, and W found in seawater using mass spectrometry with inductively coupled plasma (ICP MS) after preliminary concentration by solid-phase extraction of metal complexes with 8-hydroxyquinoline (8-HQ) on C18 octadecyl silica. The technique utilizes 150 mL of a ...
Read More2009-7-2 · Determination of selenium and tellurium in basalt rock reference materials by isotope dilution hydride generation-ICP-MS Overview A new isotope dilution-hydride generation-inductively coupled plasma-mass spectrometry method for the simultaneous determination of Se and Te has been applied to basalts and compared to previous work.
Read MoreA new type of cross-linked chitosan was synthesized with Diethylene Triamine (DCCTS). The adsorption of Se (VI) on DCCTS was studied. The effect factors on adsorption and the adsorption mechanism were considered. The results indicated that the DCCTS could concentrate and separate Se (IV) at pH = 3.6; the maximum adsorption efficiency was 94%, the adsorption equilibrium time was 30 min; the ...
Read More2014-10-15 · Speciation analytical methods using FI-ICP-MS Shizhong Chen, Shengping Zhu, Yuanyuan He, Dengbo Lu, Speciation of chromium and its distribution in tea leaves and tea infusion using titanium dioxide nanotubes packed microcolumn coupled with inductively coupled plasma mass spectrometry, Food Chemistry, 150 (2014) 254–259.doi: 10.1016/j.foodchem.2013.10.150
Read More2003-1-10 · PE-034 Negative Impact of Cardio-renal Anemia Syndrome on Beta-blocker Tolerance and Subsequent Major Adverse Cardiac Events in Chronic Heart Failure(PE006,Kidney/Renal Circulation/CKD 1 (H),Poster Session (English),The 73rd Annual
Read MoreTellurium Distribution and Speciation in Contaminated Soils from Abandoned Mine Tailings: Comparison with Selenium Environmental Science ＆ Technology 2017,51,11,6027-6035
Read More2008-4-1 · A new method was developed for the speciation of inorganic tellurium species in seawater by inductively coupled plasma-MS (ICP-MS) following selective magnetic SPE (MSPE) separation.
Read More2002-5-1 · A review of non-chromatographic methods for speciation analysis. Analytica Chimica Acta 2009, 636 (2), 129-157. DOI: 10.1016/j.aca.2009.01.065. Chaozhang Huang, Bin Hu. Speciation of inorganic tellurium from seawater by ICP-MS following magnetic SPE separation and preconcentration.
Read More2008-3-1 · A new method was developed for the speciation of inorganic tellurium species in seawater by inductively coupled plasma‐MS (ICP‐MS) following selective magnetic SPE (MSPE) separation. Within the pH range of 2–9, tellurite (Te(IV)) could be quantitatively adsorbed on γ‐mercaptopropyltrimethoxysilane (γ‐MPTMS) modified silica‐coated magnetic nanoparticles (MNPs), …
Read More2012-12-17 · MSPE has been used for the separation and enrichment of trace metals1315 and elemental species.16 Huang and Hu16 prepared g-mercaptopropyltrimethoxysilane-modied silica-coated MNPs as sorbents, and developed a method of MSPE-ICP-MS for inorganic tellurium speciation in seawater.
Read More2021-5-1 · The optimization and validation of a methodology for determining and extracting inorganic ionic Te(VI) and Te(IV) forms in easily-leached fractions of soil by Ion Chromatography-Inductively Coupled Plasma-Mass Spectrometry (IC-ICP-MS) were …
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Read MoreExtraction procedures for speciation analysis of inorganic antimonyDuring the development of analytical methods for speciation analysis of antimony the detection step of the species is well established and consolidated, considering the spectroanalytical techniques: HG AAS, HG AFS, HG ETAAS, HG ICP-MS and HG ICP OES besides the couples of these ...
Read MoreDue to the fact that metals and metalloids have a strong impact on the environment, the methods of their determination and speciation have received special attention in recent years. Arsenic, antimony, and thallium are important examples of such toxic elements. Their speciation is especially important in the environmental and biomedical fields because of their toxicity, bioavailability, and ...
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