Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Amjad Fataftah"'
Publikováno v:
Humic Substances and Chemical Contaminants
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1121434b72e28b5a6af61ac0802d9904
https://doi.org/10.2136/2001.humicsubstances.c22
https://doi.org/10.2136/2001.humicsubstances.c22
Autor:
Amal Radwan, Amjad Fataftah, M.E Vozzella, Geoffrey Davies, Ronald J. Willey, Elham A. Ghabbour
Publikováno v:
Scopus-Elsevier
Humic acids (HAs) are brown, multifunctional biopolymers found in animals, plants, soils and sediments. HA solutions in aqueous NaOH deposit brown gels on addition of strong acids. We have dried aqueous HA gels isolated from two peats and two soils f
Autor:
Melissa E. Goodwillie, Nadeem K. Ghali, Susan A. Jansen, Geoffrey Davies, Elham A. Ghabbour, Nichole A. Smith, Amjad Fataftah
Publikováno v:
The Journal of Physical Chemistry B. 101:8468-8476
Autor:
Robert F. Raffauf, Geoffrey Davies, Amal Radwan, Amjad Fataftah, Susan A. Jansen, Elham A. Ghabbour
Publikováno v:
Science of The Total Environment. 201:79-87
A brown residue has been isolated from the dried terrestrial plant Brugmansia sanguinea with a standard solvent extraction procedure augmented with removal of alginic acid. The residue is identified as humic acid (HA) by comparison of its analytical,
Autor:
Elham A. Ghabbour, Geoffrey Davies, Ronald J. Willey, Susan A. Jansen, Amal Radwan, Amjad Fataftah
Publikováno v:
Journal of Applied Phycology. 8:553-562
Recent discovery of humic acid (HA) in the free-living, brown algaPilayella littoralis has prompted a search for HA in other live plants. Marine algaeCodium fragile andMonostoma oxyspermum (greens),Chondrus crispus,Palmaria palmata andPolysiphonia la
Autor:
Susan A. Jansen, Geoffrey Davies, Elham A. Ghabbour, Amal Radwan, Ronald J. Willey, Amjad Fataftah
Publikováno v:
Journal of Applied Phycology. 8:545-551
Supercritical fluid CO2 extraction of the live, dried algaPilayella littoralis efficiently removes non-humic substances in hours instead of the days required for sequential extraction with ether, acetone, ethanol and dioxane. Completion of extraction