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Ultrasensitive determination of heavy metals at the sub-picogram per gram level in ultraclean Antarctic snow samples by inductively coupled plasma sector field mass spectrometry by Frédéric A.M. Planchon; Claude F. Boutron; Carlo Barbante; Eric W. Wolff; Giulio Cozzi; Vania Gaspari; Christophe P. Ferrari; Paolo Cescon is a Chemistry article available to read on EtoBox.
What is Ultrasensitive determination of heavy metals at the sub-picogram per gram level in ultraclean Antarctic snow samples by inductively coupled plasma sector field mass spectrometry about?
Assessing changes in heavy metals concentrations in Antarctic snow dated from the last century is of high interest to determine to which extent the most remote regions of our planet are contaminated for these metals, and to have a better understanding into their long-range transport from the different natural and anthropogenic source areas to the Antarctic continent. Such investigations are unfortunately very difficult because the concentrations to be measured are exceedingly low, down to the sub-picogram per gram level. They require a strict control of contamination problems from field sampling to laboratory analysis, and the use of ultrasensitive analytical techniques. We present here important advances in the analytical protocols for obtaining reliable data on the occurrence of heavy metals in Antarctic snow. Utmost precautions were taken to obtain a series of large size ultraclean snow blocks from the wall of a 8.3 m clean hand-dug pit at a remote site in Coats Land, Antarctica. These blocks were then sub-sampled inside a laminar flow clean bench in a cold room, using ultraclean protocols, to provide high-resolution heavy metal times series. V, Cr, Mn, Cu, Ag, Ba, Pb, Bi and U
Who reads Ultrasensitive determination of heavy metals at the sub-picogram per gram level in ultraclean Antarctic snow samples by inductively coupled plasma sector field mass spectrometry?
It is typically read by researchers, students, and practitioners in Chemistry.
- Author
- Frédéric A.M. Planchon; Claude F. Boutron; Carlo Barbante; Eric W. Wolff; Giulio Cozzi; Vania Gaspari; Christophe P. Ferrari; Paolo Cescon
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0003-2670)
- Published
- 2001
- Language
- EN
- Field
- Chemistry (Physical Sciences)