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Speciation News



High levels of mercury found in mountain lions linked to coastal fog
( 06.12.2019 )
Coastal fog, bioaccumulation and biomagnification contributes to mercury levels that approach toxic thresholds in pumas ...

Half of Piedmont drinking wells may exceed NC's hexavalent chromium standards
( 17.11.2019 )
A new study which combines measurements from nearly 1,400 drinking water wells across North Carolina estimates that more than half of the wells in the state’s central region contain levels of cancer-c...

Determination of Thallium Speciation in Water Samples by HPLC-ICP-MS
( 17.11.2019 )
Chinese scientists have optimized a method for the determination of Tl(I) and Tl(III) in water samples....

HPLC-ICPMS/MS as a versatile tool for the speciation of non-metals: Sulfur species in wine
( 14.11.2019 )
Researchers from the University of Graz have explored the sulfur speciation in wine by HPLC-ICPMS/MS....

Accurate determination of arsenic and its species by internal standardization for quantification by ICP-MS
( 15.10.2019 )
Researcher from the Czech Republic propose to use selenium as an internal standard to correct ionization interferences degrading the determination of arsenic and its species. ...

Fast speciation analysis of inorganic arsenic by using frontal chromatography for separation
( 09.10.2019 )
Researchers from Italy propose to use frontal chromatography for fast separation of inorganic arsenic species. The principle advantage of the technique is the simple instrumental setup providing high ...

Chemical Speciation Modeling
( 20.09.2019 )
Chemical speciation modeling tries to predict the compositition of a system using thermodynamic data, reaction kinetics and transport phenomena....

Mercury contaminated freshwater fish from the NE United States: Where comes the mercury from ?
( 17.09.2019 )
By using a multivariable approach accounting for watershed characteristics and stream chemistry, USGS researchers were able to link the Hg isotope composition in fish to Hg sources in the northeastern...

Climate change and overfishing are increasing toxic mercury levels in fish
( 14.08.2019 )
Mercury levels in the seafood supply are on the rise, and climate change and overfishing are partially to blame, according to a new study. ...

EU wide human monitoring study on occupational exposure to hexavalent chromium
( 13.08.2019 )
The EU human biomonitoring initiative has published its study design for human biomonitoring of occupational exposure to hexavalent chromium....



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