Chemical-pharmaceutical analysis may be defined as a procedure or the sequences of progressions to identify or quantify a constituent or drug, the mechanisms of a pharmaceutical solution or fusion or the determination of the structures of chemical combinations used in the formulation of pharmaceutical product. scientific journal is a periodical publication intended to further progress of science, usually by reporting novel research. there are thousands of scientific journals in publication, and many more have been published at various points in the past. most journals are highly specialized, although some of the oldest journals publish articles and scientific papers across a wide range of scientific fields. scientific journals contain articles that are peer reviewed, to ensure that articles meet the journal's standards of quality, and scientific validity. the publication of the results of research is an essential part of the scientific method.