The subject here touched upon is one that can only be successfully handled by an expert chemist with a thorough training in both inorganic and
A suitable material for the student to operate on is the well known brand —Portland Cement. As the student has already examined in detail a
For technical purposes the following estimations may be required: Moisture, Volatile Matter, Ash, and Fixed Carbon; Sulphur, and Phosphorus. Carbon and Hydrogen by ultimate organic analysis.
In chimney or furnace gases the estimations usually made are the percentages by volume of oxygen, nitrogen, carbon-monoxide, and carbon-dioxide. The more refined methods of gas analysis
In this section eight chapters are given, each dealing with one or more technical methods of analysis. The typical technical method should be quick, accurate,
This assay is presented here, not with the purpose of giving the student an accurate and handy means of estimating copper in its ores, but
For practice, a convenient material to operate on is an English silver coin, which contains 925 parts of silver to 75 parts of copper
Assaying has for its object the determination of the quantities of those constituents of a material which add to or detract from its value in
For technical purposes it is rarely necessary to determine all the constituents present in a slag. The lead or copper smelter wishes to know the
Such matter is presented in this chapter as will give the student some insight into the methods of analysis used in the technical examination of