Professor Doctor Gheorghe Marcu at the 80's Aniversary .......... 3
ADRIAN-RAUL TOMSA, AGLAIA KOUTSODIMOU, POLYCARPOS FALARAS,
MARIANA RUSU
Electrochemical Characterization of Sandwich-Type
Phosphotungstocerate (IV) and Arsenotungstocerate (IV)
in Aqueous and Non-Aqueous Solution ............................. 5
L. GHIZDAVU
Synthesis, Spectral and Thermal Studies of {[2-[(2,
6-dichlorophenyl)Amino]phenyl} Acetate of Ruthenium (iii)
and Rhodium (iii) .............................................. 13
MARIA-LOREDANA SORAN, MARIA CURTUI, IOVANCA HAIDUC,
DIANA GHERMAN
The use of Organodithiophosphoric Acids for Separation and
Determination of Some Metal Ions from Residual Waters .......... 21
ALEXANDRU LUPAN, ALINA SAPONAR, IOAN SILAGHI-DUMITRESCU,
ATTILA KUN, LUMINITA SILAGHI-DUMITRESCU, ELISABETH
JEANNE POPOVICI
A Quantum Chemical Conformational Analysis of P-Tert-Butyl/
Pentyl/Octyl-Calix[8]Arenes .................................... 27
PETRONELA MARIA PETRAR, GABRIELA NEME$, IOAN
SILAGHI-DUMITRESCU, LUMINITA SILAGHI-DUMITRESCU
Synthesis of New Bromo-Stannanes: Toward Unsaturated Tin
Derivatives .................................................... 35
CARMEN COMSA, ADINA CRISTEA, ANCA SILVESTRU,
CRISTIAN SILVESTRU
New Organotin(lv) and - Lead(IV) N,N-Dimethyldithiocarbamates:
Synthesis, Solution Nmr Characterization and Single-Crystal
X-Ray Structure of Ph2mcl(S2cnme2) (M = Sn, Pb) and
Ph2sn(S2cnme2)2 ................................................ 41
MIUŢA FILIP, VIRGINIA COMAN, RODICA GRECU, CHRISTOPH
MEYER, ZAHARIE MOLDOVAN, GHEORGHE MARCU
Chemically Modified Basic Alumina N for TLC.Synthesis,
Characterization and Applications .............................. 51
M.M. VENTER, V. CHIŞ, S. CÎNTĂ PÎNZARU, V.N. BERCEAN,
M. ILICI, I. HAIDUC
Synthesis and Vibrational Studies on New Complexes of
Monodeprotonated (4h-5-mercapto-1,3,4-thiadiazol-2-yl)
Thioacetic Acid ................................................ 65
ADRIAN PATRUT, KARL F. VON REDEN, DANIEL A. LOWY,
PAULINE LINDEQUE, ANDRIES H. ALBERTS, RUDOLF WITTMANN,
EDITH FORIZS, DANIEL MARGINEANU, JOHN W. POHLMANN, LI
XU, DANA GERLACH, CLARK S. MITCHELL
Accelerator Mass Spectrometry Radiocarbon Dating of an Old
Tropical Tree: Preliminary Report. 1. Radiocarbon Dates ........ 71
ADRIAN PATRUT, KARL F. VON REDEN, DANIEL A. LOWY, EDITH
FORIZS, DANIEL MARGINEANU, ANDRIES H. ALBERTS, PAULINE
LINDEQUE, JOHN W. POHLMANN, RUDOLF WITTMANN, DANA GERLACH,
LI XU, CLARK S. MITCHELL
Accelerator Mass Spectrometry Radiocarbon Dating of an Old
Tropical Tree: Preliminary Report. 2. Calibrated Results ....... 85
MARIA JITARU, MARIA BIRCA, HURDUCAS MIHAELA
Voltamperometric Data on the Biological Active Systems
Cu(II), Pd(II) and Ni(II) - Salicylic Aldehide
Thiosemicarbazone ............................................. 103
MARIA JITARU, BOGDANA KOUMANOVA
Adsorption and Electrochemical Data for P-Nitrophenol
Removal from Synthetic Wastewaters ............................ 111
K. POPA, D. HUMELNICU. M. RĂILEANU, R. CALMOI, AL. CECAL
On the Depollution of Some Radioactive Effluents .............. 119
FLORINA POGACEAN, IOAN BALDEA, FLORIN TURBAT
Inhibitory Effect of Metoprolol upon Catalase-H202
Decomposition, used as a Potential Kinetic Method
to Determine the Drug Concentration ........................... 125
AMALIA MESAROS, ELISABETH-JEANNE POPOVICI, LAURA MURESAN,
MARIA ŞTEFAN, RODICA GRECU, MARILENA VASILESCU
Studies on the Influence of Flux Nature on the Properties of
Niobium Activated Yttrium Tantalate Phosphor .................. 135
LAURA MURESAN, ELISABETH-JEANNE POPOVICI, AMALIA MESAROS,
MARIA STEFAN, RODICA GRECU, EMIL INDREA
Spectral Investigations of Europium Activated Yttrium Oxide
Phosphor Prepared by Coprecipitation Method with Oxalic
Acid .......................................................... 141
MARIA ŞTEFAN, ELISABETH-JEANNE POPOVICI, IOAN BALDEA,
AMALIA MESAROS, LAURA MURESAN, RODICA GRECU
Growth and Characterisation of Zinc Sulphide thin Films
Deposited on ito Coated Glass ................................. 147
GABRIELA CORMOS, CASTELIA CRISTEA, IUDIT FILIP, IOAN A.
SILBERG
Bis-Phenothiazinyl-Phenyl-Methane Derivatives ................. 153
OSSI HOROVITZ, MARIA TOMOAIA-COTISEL
Molecular Packing of some Carotenoids in Langmuir Monolayers
at the Air/Water Interface .................................... 157
RADU SILAGHI-DUMITRESCU
Hemes Revisited by Density Functional Approaches.
2. A Paradigm for Axial Ligation in Hemoproteins .............. 167
JENÖ BÓDIS AND GEORGE A. OLAH
Catalytic Synthesis of Dimethyl Carbonate from Methanol and
Carbon Dioxide ................................................ 175
MARIA STANCA, ANDRADA MĂICĂNEANU, SILVIA BURCĂ,
HOREA BEDELEAN
Removal of Some Heavy Metal Ions from Synthetic Wastewaters
using Natural Zeolites, a Comparative Study ................... 183
DAN RUSU
Spectroscopic and Magnetic Investigations of the
Chromium(III) Tungstoarsenate ................................. 193
O. NEMEŞ, F. LACHAUD, A. MOJTABI, V. SOPORAN, 0. TĂTARU
The Influence of Adhesive on Composite Materials Bonded
Joints Assemblies ............................................. 201
CALIN CORMOS, ANA-MARIA CORMOS, SERBAN AGACHI
Modeling and Simulation of the Ammonia Absorption Process
in Sodium Chloride Solution Using Chemcad ..................... 211
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