Quote Originally Posted by gainer View Post
the specs required of Photo Grade borax.
Author: American National Standards Institute.
Title: American national standard specification for photographic grade sodium tetraborate pentahydrate and sodium tetraborate decahydrate.
Published: New York, N.Y. : American National Standards Institute, c1982.
Physical Description: 3 p. ; 28 cm.

Subject (LCSH): Photography --Standards.
Photographic chemicals --Standards.
Other Name: National Association of Photographic Manufacturers, Inc.
Other Title: Specification for photographic grade sodium tetraborate pentahydrate and sodium tetraborate decahydrate.
Notes: Caption title.
"Revision of ANSI PH4.230-1976."
"ANSI PH4.230-1982."
"Approved February 26, 1982."
Other Identifying Number: ANSI PH4.230-1982