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The Chemistry, Properties and Tests of Precious Stones
The book of John Mastin works very thoroughly and takes up all the information related to precious stones, be it for the practitioner or the enthusiast. This manuscript works out the origin of gems in detail and lists their physical properties-crystalline structure, color, hardness, and specific gravity. An interesting add-on included in the book is the influence that magnetic and electric fields will have on gemstones, explaining to the reader the particular characteristic qualities of each gemstone. From this perspective, the cutting of stones, imitations, and testing methods are analyzed. Whether for teaching purposes or simple curiosity, this book is an informative guide for any interested person in the allure of precious stones, as relevant for the general public as it is in the jewelry world.
Author(s): John Mastin
NA Pages 
Lecture Notes On Engineering Chemistry
Lecture notes prepared by Mr. M Praveen for the lectures meant to give engineering students based in different fields of engineering foundational principles of chemistry. The key topics that are covered in this course include electrochemistry, batteries, corrosion control, and water technology, which cover the basic chemical aspects of all these. This material deals with the chemistry of materials, fuels, and combustion, giving the student background knowledge to apply chemical concepts effectively. These notes will make studying easier for students, and with clear explanations as well as practical applications, the feeling about how chemistry plays into everyday engineering practices and innovations will grow even bigger.
Author(s): Mr. M Praveen
114 Pages
The Handbook of Soap Manufacture
The "Handbook of Soap Manufacture" by W. H. Simmons and H. A. Appleton is an inclusive guide that has been dedicated to industry workers and newcomer stakeholders interested in soap production. It contains the constitution of oils and fats, discussing their saponification processes, while describing raw materials for soapmaking. It consists of practical subjects such as bleaching and processing of ingredients, different types of soaps, perfume incorporation, glycerine production, glycerine purification, analysis of raw materials, etc. Therefore, facilitating very complex information, this book can simply be said to be the precious gold of any individual who wishes to gain a thorough understanding of the soap industry along with production techniques.
Author(s): W. H. Simmons and H. A. Appleton
NA Pages