Shungite / C60

Research & Studies

Abstract:

Fullerenes (C60 and C70) in the Sudbury impact structure contain trapped helium with a 3He/4He ratio of 5.5 × 10−4 to 5.9 × 10−4. The 3He/4He ratio exceeds the accepted solar wind value by 20 to 30 percent and is higher by an order of magnitude than the maximu...

Abstract:

The presence of low concentrations of fullerenes has been reported from numerous terrestrial and meteoritic sources (Buseck, 2002). In a recent paper, Mossman et al. (2003) present mass spectra of carbonaceous substances using laser desorption ionization (LDI)...

Abstract:

Ion exchange and sorption on shungite are studied. The results demonstrate that this mineral is capable of sorbing both inorganic cations and anions. Cation exchange predominates in alkaline solutions, and anion exchange, in acidified solutions. Organic acids...

Abstract:

Occurrences of 2.0 Ga, mature organic material from the Lake Onega area, NW Russia, constitute one of the most remarkable accumulations of organic carbon from the Paleoproterozoic. The deposit occurs in a 1000-m sedimentary-volcanic succession developed over a...

Abstract:

Ever since their experimental discovery in 1985, fullerenes have attracted considerable attention in different fields of sciences. Investigations of chemical, physical and biological properties of fullerenes have yielded promising information. Their unique car...

Abstract:

Physicochemical and sorption properties of a nonactivated shungite sorbent were studied. The immobilization of yeast cells of Kluveramyces sp. (strain 11 K) and Candida sp. (strain 10 K) and cells of oil-oxidizing bacterial cultures Mycobacterium sp. (strain 1...

Abstract:

The structure of Karelian shungite was studied using petrographic-mineralogical, X-ray diffraction, and electron-microscopic analysis, and the physicochemical properties of the shungite as a carbon mineral raw material for metallurgical processes were characte...

Abstract:

The X-band EPR and magnetic susceptibility in the temperature range 4.2–300 K study of the shungite-I, natural nanostructured material from the deposit of Shunga are reported. Obtained results allow us to assign the EPR signal to conduction electrons, estimate...

SRI of Experimental and theoretical physics

Development of technology for nanostructured polymers (with the addition of carbon nanotubes, fullerenes, mineral - shungite, nano-metals) to create protective shields against electromagnetic radiation in the frequency range 1...

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