Zobrazeno 1 - 10
of 15
pro vyhledávání: '"S. S. Hayrapetyan"'
Autor:
Hambardzum H. Khachatryan, Martin S. Hayrapetyan, Hranoush H. Darbinyan, Armen I. Martiryan, S. S. Hayrapetyan
Publikováno v:
Proceedings of the YSU B: Chemical and Biological Sciences. 55:125-135
The sorption properties of organomineral composite sorbents have been investigated by ICP-MS method. The diatomite of the Jradzor deposit and bentonite of the Sarigyuh deposit (Armenia) were used as inorganic constituents. Diatomite serves as a struc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b641df1a7b31add08507071fcfd989c7
https://doi.org/10.46991/pysu:b/2021.55.2.125
https://doi.org/10.46991/pysu:b/2021.55.2.125
Publikováno v:
Periódico Tchê Química. 17:469-477
Peat is an effective sorbent of heavy metals, which is due to its high cation-exchange ability. The use of peat sorbents has many advantages. It is an inexpensive, affordable, and effective sorbent for a wide range of environmental pollutants. Also,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::148e491c7752afbd22a9d9ba60ba0c3e
https://doi.org/10.52571/ptq.v17.n34.2020.493_p34_pgs_469_477.pdf
https://doi.org/10.52571/ptq.v17.n34.2020.493_p34_pgs_469_477.pdf
Publikováno v:
Journal of Environmental Chemical Engineering. 3:1399-1407
The turbidimetric and capillary suction time (CST) methods were used for the assessment of some properties (e.g., filtration process, water uptake etc.) of diatomite–bentonite based conditioners for dewatering of effluents from digestate of a bioga
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1522686aa919d901093afa1eb8cca430
https://doi.org/10.1016/j.jece.2015.01.015
https://doi.org/10.1016/j.jece.2015.01.015
Autor:
Emilio Alvarenga, Brit Salbu, S. S. Hayrapetyan, Marte Linjordet, Lindis Skipperud, Lusine Hayrapetyan
Publikováno v:
Journal of Chemistry and Chemical Engineering. 10
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c58b00b85edbcad3752c14d22cfacd6a
https://doi.org/10.17265/1934-7375/2016.04.004
https://doi.org/10.17265/1934-7375/2016.04.004
Publikováno v:
Journal of Separation Science. 29:810-819
The pore character of packings for liquid chromatography, especially reversed-phase (RPLC) packings, has been studied by means of the nitrogen adsorption method (BET method). Micro-spherical silica gels with 9, 12, 30, 40 and 50 nm average pore diame
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8931ce2e4b5fda6beb12a875a9446603
https://doi.org/10.1002/jssc.200500403
https://doi.org/10.1002/jssc.200500403
Autor:
S. S. Hayrapetyan, H. G. Khachatryan
Publikováno v:
Microporous and Mesoporous Materials. 89:33-38
The porosity of co-precipitated iron(II) and nickel(II) oxalate samples was investigated after thermolysis at different temperatures. Specific surface area values of the obtained nickel(II) ferrite samples have been determined by means of the BET met
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::edd2778364cd9b84c94e724427889fad
https://doi.org/10.1016/j.micromeso.2005.06.045
https://doi.org/10.1016/j.micromeso.2005.06.045
Autor:
S. S. Hayrapetyan, H. G. Khachatryan
Publikováno v:
Chromatographia. 61:609-613
Polymer-mineral hybrid porous system based on the wide-porous silica and co-polymers of 2-OH hydroxyethylmethacrylate (2-OH EMA) with triethylenglycoldimethacrylate (TEGDMA) and maleinic anhydride (MA) have been studied by means of the BET method. Po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80fc18a4974573fb451e5aa99b02f0a0
https://doi.org/10.1365/s10337-005-0553-4
https://doi.org/10.1365/s10337-005-0553-4
Autor:
S. S. Hayrapetyan, H. G. Khachatryan
Publikováno v:
Microporous and Mesoporous Materials. 78:151-157
Solubility of the silica depends mainly on medium pH values. Owing to this pH factor becomes definitive when carrying processes connected with the silica dissolving. The growth of the silica colloidal particles during the obtaining stabilized silica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::31377c5dc3907ce347317f7d50a3b690
https://doi.org/10.1016/j.micromeso.2004.10.011
https://doi.org/10.1016/j.micromeso.2004.10.011
Autor:
S. S. Hayrapetyan, H. G. Khachatryan
Publikováno v:
Chromatographia. 61:43-47
Micro-spherical silica gel has been modified with a polymer containing two different functional groups (C18 and COOH) by use of a copolymer of octadecyl methacrylate and butyl acrylate and introduction of maleic anhydride. The chromatographic propert
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2198b3bee05e58ebc4bb8446af6d43ca
https://doi.org/10.1365/s10337-004-0457-8
https://doi.org/10.1365/s10337-004-0457-8