Search Results - "Vassileva, Emilia"

Simultaneous speciation analysis of mercury in marine origin samples by high performance liquid chromatography and species - specific isotope dilution inductively coupled plasma mass spectrometry by Krata, Agnieszka Anna, Vassileva, Emilia

“…Species-specific isotope dilution inductively coupled plasma quadrupole mass spectrometry reference method and high-performance liquid chromatography were…”
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Determination of methylmercury in marine biota samples: Method validation by Carrasco, Luis, Vassileva, Emilia

“…Regulatory authorities are expected to measure concentration of contaminants in foodstuffs, but the simple determination of total amount cannot be sufficient…”
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Determination of ultra-trace level of 232Th in seawater by ICP-SFMS after matrix separation and preconcentration by Wysocka, Irena, Vassileva, Emilia

“…This article describes the development and validation of an analytical procedure for the matrix separation, preconcentration and determination of sub-ng kg−1…”
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Reference measurements for total mercury and methyl mercury content in marine biota samples using direct or species-specific isotope dilution inductively coupled plasma mass spectrometry by Krata, Agnieszka, Vassileva, Emilia, Bulska, Ewa

“…The analytical procedures for reference measurements of the total Hg and methyl mercury (MeHg) mass fractions at various concentration levels in marine biota…”
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Off-line preconcentration and inductively coupled plasma sector field mass spectrometry simultaneous determination of Cd, Co, Cu, Mn, Ni, Pb and Zn mass fractions in seawater: Procedure validation by Vassileva, Emilia, Wysocka, Irena, Orani, Anna Maria, Quétel, Christophe

“…Despite the ongoing reduction of emissions of contaminants into the environment, the ocean still represents the most anthropogenically impacted ecosystem…”
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Reference Measurements for Priority and Essential Trace Elements and Methyl Mercury with Isotope Dilution Inductively Coupled Plasma-Mass Spectrometry for Seafood Safety Assessment and CRM Production by García, Miriam, Vassileva, Emilia, Azemard, Sabine, Canals, Antonio

“…The continuous release of anthropogenic pollutants into marine environment increases the needs for the development of analytical procedures for their accurate…”
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Determination of low-level plutonium in seawater by sector field inductively coupled plasma mass spectrometry: method validation by Vassileva, Emilia, Han, Eunmi, Levy, Isabelle

“…Sources of plutonium isotopes to the marine environment are well defined, both spatially and temporally which makes plutonium (Pu) a potential tracer for…”
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Reference measurements for cadmium, copper, mercury, lead, zinc and methyl mercury mass fractions in scallop sample by isotope dilution inductively coupled plasma mass spectrometry by Vassileva, Emilia, Wysocka, Irena, Betti, Maria

“…A marine certified reference material (CRM), IAEA 452, prepared with scallop (Pecten maximus) sample was recently produced by the Environment Laboratories of…”
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Chemical Forms of Mercury in Blue Marlin Billfish: Implications for Human Exposure by Manceau, Alain, Azemard, Sabine, Hédouin, Laetitia, Vassileva, Emilia, Lecchini, David, Fauvelot, Cécile, Swarzenski, Peter W, Glatzel, Pieter, Bustamante, Paco, Metian, Marc

“…Although fish is an important source of nutrients, including some of the healthiest proteins, long-chain fatty acids, and essential selenium, species at the…”
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Determination of ultra-trace level 241Am in marine sediment and seawater by combining TK200-TK221 tandem-column extraction chromatography and SF ICP-MS by Zhang, Ling, Vassileva, Emilia

“…Sound strategies for marine chemical monitoring call for measurement systems capable of producing comparable analytical results with demonstrated quality. This…”
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Rapid determination of femtomolar methylmercury in seawater using automated GC-AFS method: Optimisation of the extraction step and method validation by Azemard, Sabine, Vassileva, Emilia

“…Among ionic mercury species methyl mercury (MMHg) is the most toxic form present in the environment, which is known to be bio-accumulative neurotoxin in the…”
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Influence of the correction for moisture/water content on the quality of the certification of cadmium, copper and lead mass fractions in rice by Vassileva, Emilia, Quétel, Christophe R.

“…The moisture/water content of rice sample was determined by means of three different methods: oven drying, Karl Fischer titration and thermogravimetry. These…”
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Method validation for high resolution sector field inductively coupled plasma mass spectrometry determination of the emerging contaminants in the open ocean: Rare earth elements as a case study by Wysocka, Irena, Vassileva, Emilia

“…Analytical procedure for the determination of fourteen rare earth elements (REEs) in the seawater samples has been developed and validated. The elements (La,…”
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Certification measurement of the cadmium, copper and lead contents in rice using isotope dilution inductively coupled plasma mass spectrometry by Vassileva, Emilia, Quétel, Christophe.R

“…This paper describes the certification of the Cd, Cu and Pb amount contents in a rice material, that were used as reference values for round 19 of the…”
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Determination of cadmium, copper, mercury, lead and zinc mass fractions in marine sediment by isotope dilution inductively coupled plasma mass spectrometry applied as a reference method by Wysocka, Irena, Vassileva, Emilia

“…Isotope Dilution Inductively Coupled Plasma Mass Spectrometry (ID ICP-MS) has been applied for the determination of the total mass fractions of five trace…”
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Determination of methylmercury in marine sediment samples: Method validation and occurrence data by Carrasco, Luis, Vassileva, Emilia

“…[Display omitted] •A method for MeHg determination at trace level in marine sediments is completely validated.•Validation is performed according to ISO-17025…”
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Determination of methylmercury in marine biota samples with advanced mercury analyzer: Method validation by Azemard, Sabine, Vassileva, Emilia

“…•A method for determination of MeHg at trace level in marine biota is validated.•Validation was performed according to the ISO-17025 and Eurachem…”
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Determination of ultra-trace level 241 Am in marine sediment and seawater by combining TK200-TK221 tandem-column extraction chromatography and SF ICP-MS by Zhang, Ling, Vassileva, Emilia

“…Sound strategies for marine chemical monitoring call for measurement systems capable of producing comparable analytical results with demonstrated quality. This…”
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Determination of ultra-trace level of ^sup 232^Th in seawater by ICP-SFMS after matrix separation and preconcentration by Wysocka, Irena, Vassileva, Emilia

“…This article describes the development and validation of an analytical procedure for the matrix separation, preconcentration and determination of sub-ng kg-1…”
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Development of procedure for measurement of Pb isotope ratios in seawater by application of seaFAST sample pre-treatment system and Sector Field Inductively Coupled Plasma Mass Spectrometry by Vassileva, Emilia, Wysocka, Irena

“…Anthropogenic Pb in the oceans, derived from high-temperature industrial processes, fuel combustion and incineration can have an isotopic signature distinct…”
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