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Vol. 76, A, Part I ( January to March ) 2006

CONTENTS

Chemistry

Potentiometric studies on metal complexes of AICA riboside – Part I : Mixed ligand complexes of AICA riboside and substituted imidazoles with bivalent metals

Gouri Shankar Chitemalla and Deva Das Manwal …1

Viscosity and deviation parameters of amido-aromatic ketone binary solvent systems at 308.15K 

T.Savitha Jyostna and N. Satyanarayana…5

Validated titrimetric and spectrophotometric assay methods for lamivudine in pharmaceuticals using N-Bromosuccinimide and two dyes 

B.C. Somashekar and K. Basavaiah …11

Potentiometric study of mixed ligand complexes of copper(II), nickel(II), cobalt(II) and zinc(II) with nitrilotriacetic acid as primary ligand and uracil, thymine and 2-thiouracil as secondary ligand

Sharda Sundaram Sanjay and Shahid Suhail Narvi …19

Stability constant studies of trivalent lanthanides with an antioxidant 7, 8-dihydroxy-4-methylcoumarin

Shallu Sachdeva, Deo Nandan Kumar, R.K. Sharma and Bhagwan S. Garg…23

Cerimetric determination of ranitidine in pharmaceuticals based on redox and complexation reactions

K. Basavaiah  and B.C. Somashekar …29

Dilatometric studies on La1-x Cax CrO3 compounds

M.D. Mathews and A.K. Tyagi …37

Solution behaviour and equilibrium study of heterobinuclear complexes of copper(II), nickel(II) and zinc(II) with nitrilotriacetic acid

Divya Bartaria, Surabhi Sinha and V. Krishna …41

Mathematics

Non-Newtonian mucus flow through a symmetrical tract : A three-region steady state model

Manju Agarwal and Nidhi Agarwal…45

Thermal instability of compressible shear layer in a porous medium Part-I : Weak magnetic field and low thermal conductivity

Arti Bansal, Nidhi Bansal and S.C. Agrawal..55

Gravitational modulation of Rayleigh-Benard convection

B.S. Bhadauria …61

Unsteady MHD stagnation flow over a moving wall

M. Kumari and G Nath…69

Physics

Ground state proton radioactivity in proton rich nuclei

Shweta Prakash and Indira Mehrotra …75

Compton profile study of AIAs and AIP by empirical pseudopotential method

K.B. Joshi and B.K. Sharma …79