SYMPOSIA PAPER Published: 01 January 1950
STP47556S

Rapid Methods for the Identification of Copper-Base Alloys

Source

Copper-base alloys are so numerous and varied in composition that there are few simple tests which can give reliable indications of all the alloying elements. There are tests to show the presence of the elements tin, lead, silicon, etc. which, taken together with such other factors as color and a knowledge of the origin or application of the alloy, will serve to classify the material within certain limits. These tests generally involve dissolvinga small portion in a beaker or test tube and observing the effects of added reagents. Spot tests are not always reliable, due to the intense blue color of the copper masking the effects of subsequent reactions. There is no reliable substitute for the spectrograph except a complete qualitative chemical analysis with all its time-consuming operations.

Author Information

Nevers, R., P.
The American Brass Co., Waterbury, Conn.
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Details
Developed by Committee: E01
Pages: 54–57
DOI: 10.1520/STP47556S
ISBN-EB: 978-0-8031-6921-0
ISBN-13: 978-0-8031-6497-0