Zobrazeno 1 - 10
of 222
pro vyhledávání: '"J. G. Crock"'
Publikováno v:
The Auk. 118:1057-1062
Birds are unique among vertebrates in that they protect their eggs with rigid, calcium-rich shells. Thus, for a short period of time during the annual reproductive cycle, birds experience extraordinarily high demands for calcium. Two strategies appea
Publikováno v:
Open-File Report.
Publikováno v:
Impacts of Global Climate Change.
Publikováno v:
Open-File Report.
Publikováno v:
Nature. 406(6792)
Cadmium is known to be both extremely toxic and ubiquitous in natural environments. It occurs in almost all soils, surface waters and plants, and it is readily mobilized by human activities such as mining. As a result, cadmium has been named as a pot
Autor:
Zhang, Jing1 (AUTHOR) jing.zhang9723@gmail.com, Japashov, Nursultan1 (AUTHOR) nursultanjapashov34@protonmail.com
Publikováno v:
Reviews in Inorganic Chemistry. Mar2024, Vol. 44 Issue 1, p65-72. 8p.
Autor:
P. H. Briggs, V. P. Afonin, S. J. Parry, J. G. Crock, P. J. Potts, Chr. Koeberl, P. F. McDermott, K. E. Jarvis
Publikováno v:
Methods and Instrumentations: Results and Recent Developments ISBN: 9783642785283
As in other branches of science, analytical techniques for the chemical characterisation of geological materials have undergone a revolution over the past 30 years. The introduction of a succession of new and increasingly powerful techniques over thi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2236dd661adbdcd9e4065b4e2226fafe
https://doi.org/10.1007/978-3-642-78526-9_7
https://doi.org/10.1007/978-3-642-78526-9_7
Publikováno v:
JAAS (Journal of Analytical Atomic Spectrometry); Oct2024, Vol. 39 Issue 10, p2591-2603, 13p
Autor:
J. G. Crock, K. R. Kennedy
Publikováno v:
Analytical Letters. 20:899-908
To determine mercury in geological materials, samples are digested with nitric acid and sodium dichromate in a closed teflon vessel. After bringing to a constant weight, the digest is mixed with air and a sodium chloride-hydroxylamine hydrochloride-s
Autor:
J. G. Crock
Publikováno v:
Analytical Letters. 19:1367-1385
An improved, automated methods for the determination of bismuth in geological materials at the sub-microgram per gram level is described. After a closed-vessel digestion using nitric, hydrochloric, and hydrofluoric acids and evaporation twice with pe