neutral stain

(redirected from salt dye)

neu·tral stain

a compound of an acidic stain and a basic stain, such as the eosinate of methylene blue, in which the anion and cation each contains a chromophore group.
Synonym(s): salt dye

neu·tral stain

(nū'trăl stān)
A compound of an acid stain and a basic stain, such as the eosinate of methylene blue, in which the anion and cation each contains a chromophore group.

neutral stain

A combination of an acid and a basic stain.
See also: stain
References in periodicals archive ?
The global drive for lower emissions is also good for Ciba because, whether it be a reduction in solvent emissions from automotive coating, low salt dyes for the textile industry or chemicals for the treatment of wastewater, we are a global leader in providing more environmentally-friendly products for our customers.