Vol. 64 (2011) | South African Journal of Chemistry

Simulating the Agostic Interaction in Electron-deficient (16-e) Group (VI) ML6 Complexes: [M(CO)5(C(Me)OMe)] (2+) (M = Cr, Mo, and W) as Models

T Irshaidat

1-6

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Using PXRD to Investigate the Crystallization of Highly Concentrated Emulsions of NH₄NO₃

EE Ferg, I Masalova

7-16

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Galvanostatic Electrodeposition of Ni-Co Alloys in DMSO under a Magnetic Field

M Ebadi, WJ Basirun, Y Alias, MR Mahmoudian

17-22

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Discrimination between O-H…N and O-H…O=C Complexes of 3-Methyl-4-pyrimidone and Methanol. A Matrix-isolation FT-IR and Theoretical DFT/B3LYP Investigation

M Muzomwe, B Boeckx, G Maes, OE Kasende

23-33

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Some Factors Influencing Distribution Coefficients of Trace Amounts of M²⁺ Ions During the Crystallization of Mn(CH₃COO)₂·4H₂O

M Smolik, L Siepietowski

34-37

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The Crystal Structures of Two Novel Cadmium-Picolinic Acid Complexes in Relation to the Solution Species

C Billing, DC Levendis, VL Vieira

38-41

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Microwave Irradiation versus Conventional Heating in the Synthesis of N-Methyl-2-pyrrolidone Catalyzed by Highly Active Copper Powder

ND Jumbam, L Phuthuma, R Ndebvu, T Ngarivhume

42-43

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Chemistry Students’ Competence throughout their BSc Course in some Problem-Solving Strategies

M Selvaratnam

44-48

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Computer Simulation Studies of Trishomocubane Heptapeptide of the Type Ac-Ala₃-Tris-Ala₃-NHMe

P Singh, K Bisetty, P Govender, G Kruger

49-56

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A Low Temperature Synthetic Route to Nanocrystalline TiN

P-J Cai, G-Z Li, C Shi, J-H Huo, L-H Liu

57-60

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Twenty Golden Years of Battery R&D at CSIR,1974–1994

M Thackeray

61-66

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Preparation of CN_x/Carbon Nanotube Intramolecular Junctions by Switching Gas Sources in Continuous Chemical Vapour Deposition

Y Cao, B Liu, Q Jiao, Y Zhao

67-70

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Electrical and Optical Properties of Nanosized Perovskite-type La_0.5Ca_0.5MO₃ (M=Co,Ni) prepared using a Sol-Gel Method

M Yazdanbakhsh, H Tavakkoli, SM Hosseini

71-78

Simultaneous Determination of Metals in Coal with Low-Resolution Continuum Source Atomic Absorption Spectrometer and Filter Furnace Atomizer

J Gibson, DA Katskov

79-87

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Synthesis of New Benzocoumaryl Oxadiazolyls as Strong Blue-Green Fluorescent Brighteners

G Rajesha, HCK Kumar, HSB Naik, KM Mahadevan

88-94

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Solventless Synthesis of Quinoline Derivatives: Acceleration of Friedländer Reaction by Supported Heteropoly Acids

E Rafiee, FK Nejad, M Joshaghani

95-100

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A Greener Method Towards the Synthesis of 1,3-Diarylimidazolium Tetrafluoroborates

MI Ikhile, MD Bala, VO Nyamori

101-104

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Synthesis of 9H-Indeno [1, 2-b] Pyrazine and 11H-Indeno [1, 2-b] Quinoxaline Derivatives in One-step Reaction from 2-Bromo-4-chloro-1-indanone

S Jasouri, J Khalafy, M Badali, RH Prager

105-107

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Chloride-binding Effect of Blast Furnace Slag in Cement Pastes Containing Added Chlorides

JH Potgieter, DJ Delport, S Verryn, SS Potgieter-Vermaak

108-114

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Nucleation, Melting Behaviour and Mechanical Properties of Poly(L-lactic acid) Affected by The Addition of N, N’-Bis(benzoyl) Suberic Acid Dihydrazide

Y-H Cai

115-119

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Highly Efficient Method for Solvent-Free Synthesis of Diarylmethane and Triarylmethane from Benzylic Alcohols Using P₂O₅/Al₂O₃ or P₂O₅/SiO₂ at Room Temperature

A Khazaei, MNS Rad, MK Borazjani, KM Moradian, MK Borazjani, MH Zebarjadian

120-126

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[H₂-Cryptand 222]²⁺(Br₃ ^–)₂ as a Tribromide-Type Catalyst for the Trimethylsilylation/Tetrahydropyranylation of Alcohols

G Chehardoli, MA Zolfigol, V Khakyzadeh, H Gholami, K Niknam

127-131

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Speciation of Co(II), Ni(II) and Cu(II) Complexes with L-Glutamic Acid in Dioxan–Water Mixtures

S Raju, K Bharath Kumar Naik, B Ananda Kumar, G Nageswara Rao

132-138

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Determination of Titanium Dioxide in Commercial Sunscreens by Inductively Coupled Plasma–Optical Emission Spectrometry

T Bunhu, A Kindness, BS Martincigh

139-143

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Elucidation of the Complex Baylis-Hillman Reaction of 3-Methoxy-2-nitrobenzaldehyde with Methyl Vinyl Ketone

KC Idahosa, DM Molefe, VE Pakade, ME Brown, PT Kaye

144-150

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Overcoming Conceptual Difficulties in First-year Chemistry Students by Applying Concrete Teaching Tools

AF Marais

151-157

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Micelle-Mediated Extraction and Cloud Point Pre-concentration for the Spectrophotometric Determination of Phenol in Water Samples

A Reza Zarei, F Gholamian, S Chalavi

158-162

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Synthesis and Antiplasmodial Activity of EG-Artemisinin Ethers and Artemisinin–Quinoline Hybrids

DD N’Da, JC Breytenbach

163-172

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Dissolution and Quantification of Tantalum-Containing Compounds: Comparison with Niobium

TA Theron, M Nete, JA Venter, W Purcell, JT Nel

173-178

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Coordination of Tridentate Schiff Base Derivatives of 4-Aminoantipyrine to Rhenium (V)

KC Potgieter, TIA Gerber, P Mayer

179-184

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Students’ Competence in some Problem Solving Skills throughout their B.Sc. Course

M Selvaratnam

185-189

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Structure of Coordination Complexes: The Synergy between NMR Spectroscopy and Computational Chemistry

J Conradie

190-202

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Redox Potentials of Ligands and Complexes – a DFT Approach

KG von Eschwege, J Conradie

203-209

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Part II: Ab Initio and NMR Investigations into the Barrier to Internal Rotation of various Oxo- and Thio- Analogues of 2-Oxo-2H-chromen-7-yl Dimethylcarbamates

CKA Janse van Rensburg, RS Robinson, HG Kruger

210-217

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Synthesis, Characterization and Application of Nano Lepidocrocite and Magnetite in the Degradation of Carbon Tetrachloride

A Agarwal, H Joshi, A Kumar

218-224

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Expedient Access to an N-phenylpyrrolidin-2-yl Heterocycle via a Base-Induced Intramolecular aza-Michael Reaction

AJ Ferreira Ramos, TJ Nagem, JG Taylor

225-230

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High School Physical Sciences Teachers’ Competence in Some Basic Cognitive Skills

M Selvaratnam

231-236

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Kinetics of Oxidation of Aliphatic Alcohols by Potassium Dichromate in Aqueous and Micellar Media

M Hassan, AN Al-Hakimi, MD Alahmadi

237-240

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DSC of Milk Fats from Various Animals with High Levels of Medium-Chain, Unsaturated and Polyunsaturated Fatty Acids

G Osthoff, A Hugo, CC Joubert, JC Swarts

241-250

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Potentiometric Determination of Free Chloride in Cement Paste – an Alternative Method for Low-Budget Laboratories

DJ Delport, SS Potgieter-Vermaak, RI McCrindle, JH Potgieter

251-253

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Characterization of South African Coal for Metals, Inorganic and Organic Sulfur Compounds

PM Kalenga, E Cukrowska, H Tutu, L Chimuka

254-262

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