Standard analyzed samples--General information
Edition: <4th ed.> Issued November 1, 1912.
Series: Circular of the Bureau of standards -- no. 25
Publisher: Govt. print. off.
Published: 1912
Place of publication: Washington
Language: eng
Number of pages: 15
Subjects: Analytical chemistry; Technical Chemistry
Notes: S.W. Stratton, director.

At head of title: Department of commerce and labor.