The arsenic content of shellac and the contamination of foods from this source
By: by Bernard H. Smith
Contributors: United States. Bureau of Chemistry
Series: Circular / United States Department of Agriculture, Bureau of Chemistry -- no. 91; Circular (United States. Bureau of Chemistry) -- no. 91.
Publisher: U.S. Dept. of Agriculture, Bureau of Chemistry
Published: 1912
Place of publication: Washington, D.C
Language: eng
Subjects: Shellac; Arsenic; Analysis; Analytic Chemistry
Notes: Caption title.

"Issued February 29, 1912."

Includes bibliographical references.