Zobrazeno 1 - 10
of 55
pro vyhledávání: '"G. M. Kolesov"'
Publikováno v:
Geochemistry International. 54:633-639
The paper presents data on the leaching efficiency of rare-earth (La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu) and radioactive (Th and U) elements by various reagents from alkaline rocks of the Lovozero Massif. Element concentrations w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a49797a087635bc00ee06bcd9755aab
https://doi.org/10.1134/s001670291607003x
https://doi.org/10.1134/s001670291607003x
Publikováno v:
Journal of Analytical Chemistry. 70:578-585
Analytical characteristics of a high-temperature arc plasmatron with helium gas possessing high heat conductivity and high ionization potential as a plasma-forming gas have been investigated. A system of multichannel photoelectronic registration of s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::724f7673268ea9fa50552a0417562400
https://doi.org/10.1134/s1061934815030181
https://doi.org/10.1134/s1061934815030181
Publikováno v:
Geochemistry International. 51:777-791
The composition (determined by INAA) of the Fe,Ni phase of the Norton County and Pesyanoe enstatite achondrites (aubrites) indicates that the fractionation trends of elements in the metal phase of aubrites are different from those predicted using the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b9346b3b4de8570a2f368f94204b651b
https://doi.org/10.1134/s0016702913070033
https://doi.org/10.1134/s0016702913070033
Publikováno v:
Journal of Analytical Chemistry. 68:127-131
A procedure is developed for the simultaneous determination of trace metals in river, sea, and lake bottom sediments by atomic emission spectrometry. A present-day scenario using a new system of spectrum record and universal buffer mixtures ensures s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f2d0638a39f7cedf0193fb4782bea650
https://doi.org/10.1134/s1061934813020135
https://doi.org/10.1134/s1061934813020135
Autor:
I. A. Bergman, G. M. Kolesov
Publikováno v:
Geochemistry International. 50:816-831
As part of our ongoing research on the application of elemental geochemistry methods to Early Precambrian ferrous quartzite formations and in order to elucidate the nature of their ore material, we investigated the distribution of As, Sb, and Bi in e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5fa992f19dfeda1ca957d950e725a0bd
https://doi.org/10.1134/s0016702912100035
https://doi.org/10.1134/s0016702912100035
Publikováno v:
Journal of Analytical Chemistry. 67:823-829
A procedure has been developed for the direct atomic emission determination of medium concentrations of noble metals in mineral raw materials and products of their processing. The procedure is based on the application of a spectral complex, consistin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a4a7cbde67d73afef96f6a69d7bc10cb
https://doi.org/10.1134/s1061934812100103
https://doi.org/10.1134/s1061934812100103
Publikováno v:
Geochemistry International. 50:304-307
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::650b67c34e0641da60dc5b0cad5ce9fc
https://doi.org/10.1134/s0016702912030068
https://doi.org/10.1134/s0016702912030068
Autor:
G. M. Kolesov, I. A. Bergman
Publikováno v:
Geochemistry International. 49:375-390
The use of lanthanides, including Nd isotope geochemistry, as indicators of nature and source of Early Precambrian iron-siliceous formations are discussed using methods of geochemistry.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8cc3dfcf17baf5793e6b89f855ca44e4
https://doi.org/10.1134/s0016702911040045
https://doi.org/10.1134/s0016702911040045
Publikováno v:
Geochemistry International. 49:154-169
The paper reports monitoring results (obtained in 2000–2001) of the seasonal variations in the quality of lower atmospheric air in the coastal zone of the northern Caspian Sea due to the occurrence of aerosols with submicrometer-sized particles and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d1a4bd7f80de716777c8ac14bd00c853
https://doi.org/10.1134/s0016702911020030
https://doi.org/10.1134/s0016702911020030
Publikováno v:
Doklady Earth Sciences. 436:47-50
Single measurements of the concentration of plat� inum group elements (PGEs) in heavy fractions and wastes of goldextracting factory of Baleisk ore (13) demonstrated high concentrations (46.9 ppm) of Ru and Pd against the background of a relatively
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73af70cf6fae1f19d411b8fd034073dd
https://doi.org/10.1134/s1028334x10901131
https://doi.org/10.1134/s1028334x10901131