A Convenient one Step Synthesis of 4-Amino-3, 5-Disubstituted-1,2,4-Triazoles

B. N. Sivasankar* and L. Ragunath
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Column Preconcentration of Zinc Using 4-(2- Pyridylazo) Resorcinol and the Ion-Pair Material of Trioctylmethylammonium And Bromate Supported on Biphenyl And its Analysis using Atomic Absorption Spectrometry*

Tohru Nagahiro and Katsuya Uesugi
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Synthesis and Electron Impact Studies of Some 3-Substituted S-Triazolo (5,4-b) Naphtho (2,1-d) Thiazoles

A. N. Vaidya* and D. S. Deshpande
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Correlation of the Spectral Properties and Catalytic Activity of Some Aluminium Oxide Supported Nickel Oxide Catalysts in the Nitroxidation of Toluene and 3-Picoline.

R. Prasad, A. Garg, S. Mathews and A. Bhardwaj
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Cation Exchange Chromatographic Separation of Bismuth (III) in Mixed Solvent and Non-Aqueous Systems

S. V. Manjarekar and J. D. Chavan
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Effect of Substituens on the Electro Reduction and Acidity of 2-Benzylidene-1.3-Indandione

Abdulhadi M. Summan
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Method for Determination of Trace Metals Zinc, Cadmium, Chromium, Nickel and Lead by Graphite Furnace Atomic Absorption Spectroscopy

Vassudev Mulchandani
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Nicotinic Acid Hydrazine as A Reductant in the Potentiometric and Titrimetric Determination of Some Oxidants

S. Anand, K. Rambabu and C. Rambabu*
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Chemical Investigation of Some Seed Oils from Arid Zone of Rajasthan

M. M. Azam1 and M. R. K. Sherwani2
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Synthesis of Some Novel Benzo 1,3,6-Thiadiazepines, their Antimicrobial Activity and Isomerization Into Benzo-1,3,5-Triazepines

Pradip P. Deohate* and B. N. Berad
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