Zobrazeno 1 - 10
of 36
pro vyhledávání: '"G. Burmaa"'
Publikováno v:
Mongolian Journal of Chemistry, Vol 15, Iss 0, Pp 36-39 (2014)
Mg/Al layered double hydroxide (LDH) was successfully synthesized at different pHs values. The Mg/AL LDH was well characterized by X-Ray diffraction and Fourier transform infrared analysis. The morphology of the LDH was observed using Scanning electr
Externí odkaz:
https://doaj.org/article/91521973ca1d4e20980795cc1839e9ae
Publikováno v:
Mongolian Journal of Chemistry, Vol 15, Iss 0, Pp 79-84 (2014)
This study was conducted to investigate the dissolution process of copper concentrate using sodium nitrate (NaNO3) in a sulfuric acid (H2SO4) medium under various controlling parameters, including dissolution temperature, time, particle size, solid/l
Externí odkaz:
https://doaj.org/article/6b24298a248547c5b8a200100540f3ee
Publikováno v:
Mongolian Journal of Chemistry, Vol 14, Iss 0, Pp 36-40 (2014)
Asgat ore sample with estimated content of 431g/t silver was concentrated by using floatation method and obtained freibergite-tetrahedrite concentrate with 9050g/t Ag, 35.75% Cu, 28.5% Sb and 10.6% Fe, respectively. The dissolution of concentrate in
Externí odkaz:
https://doaj.org/article/7956b10b50684fa991bfd8975a143c07
Publikováno v:
Mongolian Journal of Chemistry, Vol 12, Iss 0, Pp 29-34 (2014)
Sorption activity of two types of Silicon-organic sorbents for the previous metals has been studied. A polymer – poly (3- silsesquioxanilpropylthiocarbamate) - 3- silsesquioxanilpropylammonium which was obtained by the hydrolytic poly-condensation
Externí odkaz:
https://doaj.org/article/8f4245ac900b46d1b6573632120df909
Publikováno v:
Mongolian Journal of Chemistry, Vol 12, Iss 0, Pp 1-6 (2014)
The batch removal of copper (II) from aqueous solution under different experimental conditions using silicon-organic sorbent poly[N,N’-bis(3-silseskquioxanilpropyl)thiocarbamide] (PSTM-3T) was investigated in this study. This sorbent was produced f
Externí odkaz:
https://doaj.org/article/b64f3ffb75184b529bc9540d8c972d26
Autor:
EA Mamontova, EN Tarasova, D Ganchimeg, MI Kuzmin, AA Mamontov, M Yu Khomutova, G Burmaa, G Odontuya, G Erdenebayasgalan
Publikováno v:
Mongolian Journal of Chemistry, Vol 12, Iss 0, Pp 69-77 (2014)
The investigations of POPs in soil and air in three urban and rural sites of the Mongolia are presented. The POPs distribution in air repeats the POPs distribution in soil on the area investigated. The POPs levels in soil and air are lower than maxim
Externí odkaz:
https://doaj.org/article/2187028bd5d545e18718faf5235348a6
Publikováno v:
Bulletin of the Institute of Chemistry and Chemical Technology. :70-76
Water, foam, dry powder, carbon dioxide and liquid chemicals are used as fire extinguishers depending on the fire types. The fire classification of ABC type includes fires caused by paper, wood, dye, fuel, oil, lubricants and flammable gases. In this
Publikováno v:
Mongolian Journal of Chemistry, Vol 13, Iss 0, Pp 46-48 (2014)
DOI: http://dx.doi.org/10.5564/mjc.v13i0.160 Mongolian Journal of Chemistry Vol.13 2012: 46-48
Externí odkaz:
https://doaj.org/article/c000788d621c4bfe848b131ac6ae8f0e
Publikováno v:
Mongolian Journal of Chemistry, Vol 18, Iss 44, Pp 12-19 (2018)
Distribution of arsenic (As) and its compound and related toxicology are serious concerns nowadays. Gold mining activity is one of the anthropogenic sources of environmental contamination regarding As and other heavy metals. In Mongolia, the most pro
Publikováno v:
Mongolian Journal of Chemistry, Vol 18, Iss 44, Pp 1-4 (2018)
Mixed rare earth oxides have been prepared from synchysite ore from the Lugiin gol rare earth deposit (Mongolia) which contains about 6% of cerium light rare earth elements. Ore powders were leached for up to 60 min using 80-120 g/l sulfuric acids at