Results 121 to 130 of about 1,041,818 (287)

Monetary reform in times of Charles II (1679-1686): aspects concerning the issued dispositions [PDF]

open access: yes, 2006
During the reign of Carlos II drastic monetary reform was carried out, which once and for all ended the tremendous monetary instability that took place in Castile throughout the whole Seventeenth century.
Font de Villanueva, Cecilia
core   +1 more source

Determination of Trace Copper(II) in Food Samples by Flame Atomic Absorption Spectrometry after Cloud Point Extraction [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2011
A new method for the determination of trace copper(II) in food samples by Cloud Point Extraction(CPE) combined with Flame Atomic Absorption Spectrometry(FAAS) is presented and evaluated.
Guoqiang Xiang   +4 more
doaj  

Nickel(II), Copper(I) and Copper(II) Complexes of Bidentate Heterocyclic Thiosemicarbazones

open access: yesJournal of the Brazilian Chemical Society, 1999
Nickel(II) and copper(I) or copper(II) complexes of thiosemicarbazones derived from 3- and 4-formylpyridine (H3FPT and H4FPT) and 3- and 4-acetylpyridine (H3APT and H4APT) have been prepared and characterized by microanalyses, molar conductivity and ...
Lima Rejane Lúcia de   +3 more
doaj  

Enzymatic Synthesis and Application of Palm Oil-Based Fatty Hydroxamic Acids [PDF]

open access: yes, 2004
Fatty hydroxamic acids (FHA) have been successfully synthesized from palm oils by a one-step lipase catalyzed reaction. Conversion of palm oils into the FHA was carried out by treating the substrate with hydroxylamine at 300C and neutral pH for 30 h ...
Suhendra, Dedy
core  

Studies on copper(II) leaching from e-waste with hydrogen sulfate ionic liquids: Effect of hydrogen peroxide

open access: hybrid, 2021
Szymon Wstawski   +4 more
openalex   +1 more source

Aquabis(3,5-dimethyl-1H-pyrazole-κN)(oxalato-κ2O,O′)copper(II) [PDF]

open access: hybrid, 2007
A.I. Buvailo   +4 more
openalex   +1 more source

Dried Orange Peel: A potential Bio sorbent for Removal of Cu (II) and Cd (II) Ions from Aqueous Solution

open access: yesTo Chemistry Journal, 2020
Bio sorption is one of potential alternative conventional technologies for the removal of metal ions from aqueous solutions due to its low cost, high efficiency, minimization of chemical or biological sludge, regeneration of bio sorbents and possibility ...
Awash Yerga   +3 more
doaj  

COMPUŞI COORDINATIVI AI CUPRULUI(II) CU 1,5-BIS-TIOCARBOHIDRAZONE ALE ALDEHIDEI SALICILICE SUBSTITUITE

open access: yesStudia Universitatis Moldaviae: Stiinte reale si ale naturii, 2007
There is described the synthesis, structure and magneto-chemical investigation of a new series of copper(II) complexes with substituted salicylaldehyde thiocarbohydrazone.
USM ADMIN
doaj  

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