Zobrazeno 1 - 10
of 58
pro vyhledávání: '"U.J. Ekpe"'
Publikováno v:
Bulletin of the Chemical Society of Ethiopia, Vol 18, Iss 2, Pp 181-192 (2004)
The inhibition of corrosion of aluminium in HCl solution by some derivatives of thiosemicarbazones has been studied using weight loss and hydrogen evolution techniques. The thiosemicarbazone derivatives used are 2-acetyl pyridine-(4-phenylthiosemicar
Externí odkaz:
https://doaj.org/article/2b691c93ef7a4ebf90870fd38bbcca93
Publikováno v:
Journal of Molecular Structure. 1122:80-87
The advent of the dye-sensitized solar cells (DSSCs) came at a time when the quest for alternative energy was high, replacing p-n junction photovoltaic devices. Its uniqueness arises from the fact that unlike the conventional systems where the semico
Publikováno v:
Pigment & Resin Technology. 38:236-241
PurposeThe purpose of this paper is to investigate the corrosion inhibitive properties of extracts from mature leaves of Combretum bracteosum for the corrosion of mild steel in H2SO4.Design/methodology/approachAcid extracts from mature leaves of Comb
Publikováno v:
Corrosion Science. 50:2310-2317
The inhibitive action of leaves (LV), seeds (SD) and a combination of leaves and seeds (LVSD) extracts of Phyllanthus amarus on mild steel corrosion in HCl and H 2 SO 4 solutions was studied using weight loss and gasometric techniques. The results in
Publikováno v:
Pigment & Resin Technology. 35:284-292
PurposeTo investigate the effect of halide ions on the corrosion inhibition of mild steel using polyvinyl alcohol (PVA) in H2SO4 at 30‐60°C and to study the mechanism of action.Design/methodology/approachThe corrosion rates were determined using t
Publikováno v:
Journal of Applied Polymer Science. 103:2810-2816
The corrosion inhibition of aluminum in NaOH in the presence of polyvinyl alcohol (PVA) at 30 and 40°C and the effect of addition of halides (KCl, KBr, KI) were studied using weight loss and hydrogen evolution methods. Results obtained showed that P
Autor:
U.J. Ekpe, Saviour A. Umoren, Olusegun K. Abiola, N. C. Oforka, Eno E. Ebenso, Ekerete Jackson
Publikováno v:
Journal of Applied Polymer Science. 100:2889-2894
The corrosion inhibition of aluminum in H2SO4 in the presence of polyvinyl alcohol (PVA) and polyethylene glycol (PEG) and the effect of addition of halides (KCl, KBr, KI) was studied using the hydrogen evolution technique at 30 and 40°C. Inhibition
Publikováno v:
Environmental Geology. 42:47-51
Heavy metal concentrations in sediments of the Calabar River: Pb (0.6–30 ppm); Ni (1.2–22.5 ppm); Cr (0.6–3.3 ppm); Cu (0.3–48 ppm); Zn (0.8–27 ppm); Fe (0.2–2,880 ppm) and V (0 ppm) are generally below levels that are known to be harmful
Publikováno v:
Materials Chemistry and Physics. 60:79-90
The effect of changing functional groups of some amides and thiosemicarbazone derivatives on their inhibition efficiency has been reported with a view to establishing a relationship between inhibitor efficiency and molecular structure, using the weig
Publikováno v:
Materials Chemistry and Physics. 40:87-93
The inhibition of corrosion of mild steel (98% Fe) in hydrochloric acid (HCl) by derivatives of thiosemicarbazones has been studied using weight loss and hydrogen evolution techniques. The thiosemicarbazone derivatives used as corrosion inhibitors we