Browsing 2. Articole by Issue Date

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SYNTHESIS AND STRUCTURE OF {M-OXALATO-BIS[ETHYLENEDIAMINETETRAACETATO- BISMUTHATO(III)]}PENTAAMMINETHIOCYANATOCOBALT(III) DODECAHYDRATE, [CO(NH3)5NCS]2[(EDTA)BI(M-C2O4)BI(EDTA)] • 12H2O

Stăvilă, Vitalie; Gdanec, M.; Șova, Sergiu; Simonov, Iurie; Gulea, Aurelian; Vignacourt, Jean-Pierre (2000)

A heterometallic complex of cobalt(III) and bismuth(III), [Co(NH3)5NCS]2[(Edta)Bi(μ-C2O4)Bi(Edta)] · 12H2O, was synthesized and studied by X-ray diffraction analysis. The crystals are monoclinic, a = 12.792(3) Å, b = ...
INVESTIGATION OF GEOMETRICAL AND CONFORMATIONAL ISOMERS OF COBALT(II) BIS(DIPHENYLACETATO)-BIS(G -PICOLINATE) BY DYNAMIC NMR SPECTROSCOPY AND MOLECULAR MECHANICS

Novițchi, Ghenadie; Cecal, Alexandru; Gulea, Aurelian (2001)

Cobalt(II) bis(diphenylacetato)-bis(γ-picolinate) is synthesized and its geometrical and conformational isomers are investigated using dynamic NMR and molecular mechanics methods. The complex in the solution is shown to ...
STRATEGIA DE UTILIZARE A DEŞEURILOR GALVANICE ÎN MOLDOVA

Șișcovschi, Gheorghe; Orlova, Nadejda; Borodaev, Ruslan (2001)

Problema utilizării deşeurilor galvanice se ridică timp de mulţi ani la diferite niveluri, inclusiv de Guvern (Hot. Nr. 606 din 28 iunie 2000), dar până în prezent în Republica Moldova încă nu există nici un sector tehnologic ...
USE OF SOME CATALYSTS IN RADIOLYTICAL SPLIT OF WATER

Cecal, Alexandru; Paraschivescu, Andrei; Gulea, Aurelian; Palamaru, Mircea; Iordan, Alexandra; Popa, Karin; Craus, Mihai (2002)

The present paper deals with the study of catalyzed water radiolysis under the influence of γ-rays emitted by a 60Co source (Λ = 3 × 104 Ci) with a dose rate of 8.3 kGy/h, for hydrogen production. Thirty-one solid inorganic ...
SYNTHESIS AND STUDY OF HETEROMETALLIC CO–BI COMPOUNDS BASED ON ETHYLENEDIAMINETETRAACETIC ACID. CRYSTAL AND MOLECULAR STRUCTURES OF [CO(DH)2(O -NH2C6H4CH3)2]2[BI2(M-EDTA)2(H2O)2] • 10H2O (DH2 IS DIMETHYLGLYOXIME)

Stăvilă, Vitalie; Gulea, Aurelian; Șova, Sergiu; Gdanec, M.; Simonov, Iurie (2002)

Compounds of the [Co(DH)2A2](BiEdta)·6H 2O type (where DH is the monodeprotonated dimethylglyoxime -ON=C(CH3)-(CH3)C=NOH; A is the o-, m-, or p-toluidine; and Edta is the ethylenediaminetetraacetate(4-) ion) were synthesized ...
COORDINATION COMPOUNDS OF COBALT, NICKEL, AND COPPER WITH ISONITROSOACETONE BENZOYLHYDRAZONE

Țapcov, Victor (2002)

Benzoylhydrazine and isonitrosoacetone react in ethanol with cobalt, nickel, and copper halides and acetates to give the coordination compounds MX2(HL)·nH2O, MX2(HL) 2·nH2O, and ML2·nH2O [M = Co, Ni, Cu; X = Cl, Br; HL = ...
COORDINATION COMPOUNDS OF COPPER(II) WITH BENZOYLHYDRAZONES OF SUBSTITUTED SALICYLALDEHYDES

Samusi, Nina; Țapcov, Victor; Kerner, A. (2003)

Benzoylhydrazones of 5-nitro- (H2L1), 3-nitro- (H2L2), 5-chloro- (H2L3), 5-bromo- (H2L4), and 3,5-dibromosalicylaldehydes (H 2L5) react in ethanol with copper acetate to form complexes CuL1-5. In the presence of amines (A ...
CRYSTAL STRUCTURE OF MONOPROTONATED NI(II) NITRILOTRIACETATE TETRAHYDRATE

Petrenko, Peter A.; Gdaniec, Maria; Simonov, Iurie; Stăvilă, Vitalie; Gulea, Aurelian (2004)

A Ni(II) complex of the composition Ni(HNta)·4H 2O (I) was synthesized. Its structure was found to consist of neutral mononuclear [Ni(HNta)(H 2O) 3] complexes and crystallization water molecules. The Ni atom has octahedral ...
SYNTHESIS AND STRUCTURE OF DI(M-OPHENOXY )-BIS{NITRATO-2-[2- (HYDROXYETHYLIMINO)-METHYL]-PHENOLOIMIDAZOLECOPPER}

Ciumacov, Iurie; Antoșciac, Boris; Țapcov, Victor; Bocelli, Gabrielle; Gulea, Aurelian (2004)

The crystal structure of di(μ-O phenoxy)-bisnitrato-2-[2- (hydroxyethylimino)-methyl]-phenoloimid-azolecopper was determined. The crystals are monoclinic: a = 10.222(2) , b = 13.810(3) , c = 10.620(2) , β =103.67(3)°, space ...
COORDINATION COMPOUNDS OF COPPER(II), NICKEL(II), AND COBALT(II) WITH β-THIOSEMICARBAZONES OF ISATIN AND N-METHYLISATIN

Samusi, Nina; Țapcov, Victor; Gulea, Aurelian (2004)

Isatin thiosemicarbazone (HL) reacts in aquoeus-ethanolic medium with copper(II) chloride and bromide (pH 7-7.5, ethanolic KOH) to give coordination compounds CuLX·nH2O (X = Cl, Br; n = 3, 4). In the presence of amines (A ...
SYNTHESIS, STRUCTURE AND PROPERTIES OF SOME 3D-ELEMENT COMPLEXES WITH 2-[2-(HYDROXYBENZYLIDENE)-AMINO]-2-HYDOXYMETHYLPROPANE-1,3-DIOL

Țapcov, Victor; Ciumacov, Iurie; Antoșciac, Boris; Bocelli, Gabrielle; Samusi, Nina; Gulea, Aurelian (2004)

2-[2-(Hydroxybenzylidene)-amino]-2-hydoxymethylpropane-1,3-diol (HL) reacts with cobalt, nickel, copper and zinc chlorides, bromides and acetates in water-ethanol solutions and gives MLX·nH2O and ML 2·nH2O complexes (M = ...
LANTHANIDE COMPLEXES WITH N , N '-BIS(2- HYDROXYBENZYLIDENE)-2-HYDROXYPHENYLMETHANEDIAMINE

Samusi, Nina; Strelcov, Eugeniu; Țapcov, Victor; Gulea, Aurelian (2004)

Complexes of lanthanides with N,N′-bis(2-hydroxybenzylidene)-2- hydroxyphenylmethanediamine (H3L) were synthesized and investigated by the elemental, IR, magnetochemical, and thermogravimetric methods. Using the data ...
SYNTHESIS AND ANTIMICROBIAL ACTIVITY OF COORDINATION COMPOUNDS OF COPPER WITH SUBSTITUTED SALICYLALDEHYDE THIOSEMICARBAZONES

Prisakar, V. I.; Tsapkov, V. I.; Buracheeva, S.A.; Byrke, M.S.; Gulya, A. P. (Springer, 2005)

New coordination compounds of copper(II) with thiosemicarbazones of 5-chloro-, 5-bromo-, 5-nitro-, 5-methyl-, 3,5-dichloro-, and 3,5-dibromo-substituted salicylaldehyde have been synthesized and tested with respect to eight ...
THE INFLUENCE OF BENZOIC ACID ON THE RADICAL SELFPURIFICATION PROCESSES IN NATURAL MEDIUM

Gladchi, Viorica; Goreaceva, Nelly; Rusu, Nicoleta (Tipografia Academiei de Ştiinţe a Moldovei, 2005)
THE STUDY OF REDOX CONDITIONS IN THE DNIESTER RIVER

Gladchi, Viorica; Goreaceva, Nelly; Borodaev, Ruslan; Mardari, Iurie (Tipografia Academiei de Ştiinţe a Moldovei, 2005)
PROCESSES OF RADICAL AUTO-PURIFICATION OF AQUATIC SYSTEMS

Boldescu, Veaceslav; Gladchi, Viorica (Tipografia Academiei de Ştiinţe a Moldovei, 2005)
PĂTRUNDEREA ŞI TRANSFORMĂRILE CHIMICE ALE SUBSTANŢELOR ANTIBACTERIENE ÎN MEDIUL ÎNCONJURĂTOR

Boldescu, Veaceslav; Gladchi, Viorica (2005)

Summary: Recently, pharmaceuticals and personal care products (PPCPs) with their metabolites have been detected as common contaminants in surface waters throughout the world. The most frequently detected compounds were ...
ROLUL ORGANIZAŢIILOR OBŞTEŞTI ÎN EDUCAŢIA ECOLOGICĂ A POPULAŢIEI

Gladchi, Viorica; Goreaceva, Nelli; Romanciuc, Lidia; Mardari, Iurie; Borodaev, Ruslan; Bunduchi, Elena (Academia de Ştiinţe a Moldovei, 2005)
THE INFLUENCE OF SOME ORGANIC ACIDS ON THE RADICAL SELF-PURIFICATION PROCESS OF THE AQUATIC MEDIUM

Bunduchi, Elena; Gladchi, Viorica (Academia de Ştiinţe a Moldovei, 2005)
PĂTRUNDEREA ŞI TRANSFORMĂRILE CHIMICE ALE SUBSTANŢELOR ANTIBACTERIENE ÎN MEDIUL ÎNCONJURĂTOR

Boldescu, Veaceslav; Gladchi, Viorica (2005)

Recently, pharmaceuticals and personal care products (PPCPs) with their metabolites have been detected as common contaminants in surface waters throughout the world. The most frequently detected compounds were hormones, ...

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