Sample preparation is important for the isolation and concentration of desired trace components from complex matrices. Sample preparation is the most labor-intensive and error-prone process in analytical methodology, and greatly influences the reliable and accurate determination of analytes. The integration of sample preparation with various analytical instruments is most conveniently achieved ...

It is a well-known fact that tablets are the most ordinary medicines in daily practice, which along with capsules represents about 70% of pharmaceutical preparations. Experimenting with paracetamol tablets of 500 mg dose was scope of this study. Study of formulation, preparation, quality control, and follow-up of the paracetamol stability in tablets was conducted. Carefully analyzing the physic...

Reddy, K.M., K. Suvardhan, K. Suresh, S. Prabhakar, P. Chiranjeevi “New Spectrophotometric Method For The Determination Of Flutamide In Pharmaceutical Preparation Using Chromotropic Acid As A Coupling Agent” in Martin J. Bunch, V. Madha Suresh and T. Vasantha Kumaran, eds., Proceedings of the Third International Conference on Environment and Health, Chennai, India, 15-17 December, 2003. Chennai...

This review covers all of the common methods for the syntheses of aromatic and heterocyclic perfluoroalkyl sulfides, a class of compounds which is finding increasing application as starting materials for the preparation of agrochemicals, pharmaceutical products and, more generally, fine chemicals. A systematic approach is taken depending on the mode of incorporation of the SR(F) groups and also...

Konjac glucomannan (KGM) has attracted extensive attention because of its biodegradable, non-toxic, harmless, and biocompatible features. Its gelation performance is one of its most significant characteristics and enables wide applications of KGM gels in food, chemical, pharmaceutical, materials, and other fields. Herein, different preparation methods of KGM gels and their microstructures were ...