Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Raisa NASTAS"'
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 19, Iss 1, Pp 93-101 (2024)
Activated carbons have great applicability in the conditioning of wines: discoloration, removal of foreign taste and smell, correction of organoleptic parameters, etc. The purpose of this work was to compare the structural and sorption characteristic
Externí odkaz:
https://doaj.org/article/06a81210810d486abc451e1e8a5a394c
Adsorption of Cobalt and Strontium Ions on Plant-Derived Activated Carbons: The Suggested Mechanisms
Publikováno v:
C, Vol 9, Iss 3, p 71 (2023)
In this study, activated carbons derived from walnut shells (CA-N) and apple wood (CA-M) were used as adsorbents to remove cobalt(II) and strontium(II) ions from aqueous solutions. The novel materials were obtained using nitric acid (CA-Mox) and nitr
Externí odkaz:
https://doaj.org/article/bae731a6f39e49db938ffda8aae54cf1
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 14, Iss 1, Pp 8-31 (2019)
Externí odkaz:
https://doaj.org/article/72c8b07b0121464b84ef0d9cef785573
Autor:
Irina Ginsari, Larisa Postolachi, Vasile Rusu, Oleg Petuhov, Tatiana Goreacioc, Tudor Lupascu, Raisa Nastas
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 10, Iss 2, Pp 92-94 (2015)
Four series of samples containing manganese supported carbonaceous adsorbents were prepared. Obtained results reveal the importance of surface chemistry of carbonaceous adsorbents on the manganese loading.
Externí odkaz:
https://doaj.org/article/8b71cccebaae48d3b36bd60730bf6540
Publikováno v:
Studia Universitatis Moldaviae: Stiinte reale si ale naturii, Vol 0, Iss 6 (96) (2017)
Au fost precizate unele aspecte metodologice ale tehnicilor de titrare vizuală (metoda Boehm) şi electrometrică (titrări alcalimetrice şi acidimetrice) pentru stabilirea proprietăţilor acido-bazice ale adsorbanţilor carbonici. Pe suprafaţa c
Externí odkaz:
https://doaj.org/article/e33ce8e7231b4d1f901e320f67aa0c2a
Publikováno v:
Aerul şi Apa: Componente ale Mediului, Vol 2012, Pp 543-550 (2012)
Testing of carbonaceous adsorbents for removal of pollutants from water. Relevant direction for improving of quality of potable water is application of active carbons at various stages of water treatments. This work includes complex research dealing
Externí odkaz:
https://doaj.org/article/0bac754c238047c48b907263e6380c83
Publikováno v:
Aerul şi Apa: Componente ale Mediului, Vol 2011, Pp 115-121 (2011)
Water conditioning for food industry uses. Tap (drinking)water from many localities of Moldova doesn’t always correspond to the “Sanitarystandards for drinking water quality” or to the requirements of the “Regulation fornon-alcoholic beverage
Externí odkaz:
https://doaj.org/article/f094c31d7dc54f9f8fc28a89fabd4972
Publikováno v:
Scientific Seminar "Ecological chemistry ensures a healthy environment".
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90ba2eda5c645461be5b2377a01f8c4a
https://doi.org/10.19261/enece.2022.ab12
https://doi.org/10.19261/enece.2022.ab12
Autor:
Raisa Nastas, Irina (Ginsari) Ceban
Publikováno v:
Scientific Seminar "Ecological chemistry ensures a healthy environment".
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb773f2e0bbc17b498c5165efbd265b5
https://doi.org/10.19261/enece.2022.ab07
https://doi.org/10.19261/enece.2022.ab07
Autor:
T. A. Azarova, Larisa Postolachi, Vasile Rusu, A. I. Ivanets, Raisa Nastas, I. N. Ginsari, T. F. Kuznetsova, Tudor Lupascu, E. A. Voronets
Publikováno v:
Protection of Metals and Physical Chemistry of Surfaces. 54:587-593
Composite materials resulted from impregnation of active carbons with aqueous solutions of manganese (II) chloride were studied by the methods of gas adsorption, X-ray powder diffraction, atomic absorption spectrometry, energy-dispersive X-ray spectr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8b7a4aadf32f8751ffa927999c17ad9
https://doi.org/10.1134/s2070205118040056
https://doi.org/10.1134/s2070205118040056