Archive:: American Journal of Applied Chemistry:: Science Publishing Group

Volume 1, Issue 1, April 2013

An Ultra-Sensitive and Selective LC-UV Method for the Simultaneous Determination of Pravastatin, Diltiazem, Naproxen Sodium and Meloxicam in API, Pharmaceutical Formulations and Human Serum

Najma Sultana, Muhammad Saeed Arayne, Saeeda Nadir Ali

Issue: Volume 1, Issue 1, April 2013

Pages: 1-8

Received: 9 April 2013

Accepted:

Published: 2 April 2013

DOI: 10.11648/j.ajac.20130101.11

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Abstract: The aim of the present work was to develop a sensitive liquid chromatographic method for the quantitation of pravastatin and diltiazem along with naproxen and meloxicam using ultraviolet detector. The separation of components was achieved on Purospher Star, C18 (5 µm, 25 x 0.46 cm) column using methanol-water (80:20 v/v) as mobile phase and pH adju... Show More

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Preparation of Dielectric Greases from Some Inorganic Thickeners

A.M. Hassan, A. M. Hassan, M. A. Youssif, M.A. Youssif, A.M. Mazrouaa, A. M. Mazrouaa, R. M. Abou Shahba, R.M.Abou Shahba, M.A.E. Youssif, M. A. E. Youssif

Issue: Volume 1, Issue 1, April 2013

Pages: 9-16

Received: 2 May 2013

Accepted:

Published: 30 May 2013

DOI: 10.11648/j.ajac.20130101.12

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Abstract: According to this study wax gel grease (S0) is formulated from base lube oil grade 260/290, transformer oil, microcrystalline wax, additives (0.1-2%) of Polyoxyethylene sorbiton-nano-palmitate antioxidant and 2, 2` methylene bis (4-methyl-6-tertiary butyl phenol) anticorrosion, was found that it had not well enough physico-chemical and dielectric ... Show More

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