Benzidine dyes
type: Concept

C.I. direct blue 218
type: Concept
created: 1995-04-12T00:00:00
alternative label: Direct blue 218
alternative label: Color Index direct blue 218
alternative label: Naphthalenedisulfonic acid
broader: Benzidine dyes
in scheme: lcsh
member: collection LCSHAuthorizedHeadings
member: collection SubdivideGeographicalIndirect
member: collection LCSH General