Date of Award

8-1932

Degree Type

Bachelors Essay

Degree Name

Bachelor of Science (BS)

Department

Chemistry

First Advisor

Herbert Heinrich

Abstract

During the past twenty years electro-plating has undergone a thorough transformation from an art into a science in which physical chemistry is playing an important role. The factors which govern the plating of copper, nickel and brass are well known. Recently new processes have been found for the plating of cadmium and chromium. Metals which give a bright surface and which will take a polish are in great demand. Nickel and chromium answer these requirements, and are used commercially for a variety of uses. Chromium has been a remarkable success as a plated surface because it is both a beautiful, decorative coating and under certain conditions an efficient protection against atmospheric corrosion. However, it is attacked by hydrochloric and sulfuric acids. The need for a coating similar to electroplated chromium and which at the same time is acid resistant, is apparent. A metal possessing these properties would be especially valuable as a covering for metal surfaces in laboratories and chemical plants. Tungsten, which belongs to the same periodic system as the chromium, answers this requirement. This investigation was carried out for the purpose of producing a tungsten coating with a high resistance to acids and oxidation.

Comments

A Thesis submitted to the Faculty of the College of Liberal Arts, Marquette University, in Partial Fulfillment of the Requirements for the Degree of Bachelor of Science.

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