Publications matching your search query
Results 1 to 16 of 16
For Emperor penguins (Aptenodytes forsteri), huddling is the key to survival during the Antarctic winter. Penguins in a … huddle are packed so tightly that individual movements become impossible, reminiscent of a jamming transition in … compacted colloids. It is crucial, however…
Selenium is an essential micronutrient but its role in oceanic biology is relatively unknown. Whilst this essentiality has been shown in laboratory work for some marine phytoplankton … species, the concentration, chemical species and incorporation methods are unknown.
Modern methods of preconcentration are investigated with … regard to the determination of selenium species in natural … (especially ocean) waters. The low concentration of selenium … in surface waters means that it is often present at levels below the limits of detection (LODs)…
Distribution of the arsenic species total inorganic arsenic [As(V+III)], arsenite [As(III)], monomethyl arsenic (MMA), and dimethyl arsenic (DMA) was studied in the Subantarctic Zone (SAZ) of the Southern Ocean, south of Australia, during the austral autumn (March 1998). As(V)…
For a copy of this Abstract, please contact author.
The development of a semi-automated batch HG-AFS method for the shipboard determination of As(III), As(V), MMA and DMA is described. Procedures in the analytical sequence including addition of NaBH4 to samples, cooling and heating the U-trap used for preconcentration and separation of the arsines…