mordant

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mordant

 [mor´dant]
1. a substance capable of intensifying or deepening the reaction of a specimen to a stain.
2. to subject to the action of a mordant before staining.

mor·dant

(mōr'dant),
1. A substance capable of combining with a dye and the material to be dyed, thereby increasing the affinity or binding of the dye; for example, alum, a mordant commonly used to promote staining with hematoxylin.
2. To treat with a mordant.
[L. mordeo, to bite]

mordant

/mor·dant/ (mord´int)
1. a substance capable of intensifying or deepening the reaction of a specimen to a stain.
2. to subject to the action of a mordant before staining.

mordant

[môr′dənt]
a substance capable of deepening the reaction of a biological specimen to a stain. The chief mordants are alum, aniline, oil, and phenol.

mordant

adjective Referring to an astringent chemical; caustic, corrosive.

noun A chemical used to set stains in tissue.

Mordants
Sodium chloride, tannic acid, alum, urine, chrome alum; Bouin’s solution can also be used as a mordant.

mor·dant

(mōr'dănt)
1. A substance capable of combining with a dye and the material to be dyed, thereby increasing the affinity or binding of the dye.
2. To treat with a mordant.
[L. mordeo, to bite]

mordant (mōrˑ·dnt),

n a chemical that fixes a dye in or on a specimen by combining with the dye. Phenol, alum, aniline, and oil are common mordants.

mordant

1. a substance capable of intensifying or deepening the reaction of a specimen to a stain.
2. to subject to the action of a mordant before staining.
References in periodicals archive ?
Dye formulation of pre- treatment and post-treatment included 20 g/L of a specific mordant or 30 g/L of UV absorbers, Dicrylan and Fixative finishes or 50 g/L of crosslinkers.
The present findings also support the earlier postulates [9] which mentioned that both natural dyeing and mordant dyeing can coexist if padding technologies are utilized for natural dyes which will particularly be advantageous for those products of dyeing which have low affinity.
The colour of this mordant from sappan wood (Caesalpinia sappan L.
Therefore, unlike chay dyeing, every part of a textile that is immersed in a dye vat will be permanently coloured, whether or not there is mordant on the cloth.
Abraham Bosse (5) raconte en detail la facon d'appliquer l'eau-forte: Il ne plonge pas la plaque dans une cuvette pleine de mordant -comme se fait actuellement-, sinon place la plaque verticalement sur une pile, un treteau et un recipient et lui applique l'eau forte par-dessus, avec l'aide d'une boite de gres ou de terre cuite a potier.
Francois Courboin (7) dans l'oeuvre L'Estampe Francaise, nomme cette eau-forte de Bosse "eau-forte a couler" parce qu'il fallait la faire couler sans relache sur le cuivre maintenu dans un plan incline: Ce dispositif est necessaire pour entrainer les sels que se forment a la surface du cuivre et qui arreteraient l'action du mordant.
Maximum difference occurs when sitric acid is used as mordant and minimum difference is observed when sodium dicromate is applied as mordant.
Light fastness properties of dyeing depend on the mordant and the mordanting method that are used.
The prepared stains were separated into three containers: one for the laurel extract + iron mixture; one for the laurel extract + alum mixture: and one for laurel extract with no mordant.
The results demonstrated that treatments with either mordant reduced the total color change more than the laurel without mordant treatments.
Delafield, Ehrlich, Mayer, Arnold, and Harris introduced new recipes using aluminum as the mordant, (5), (14) while Weigert, Weil, and Verhoeff proposed iron.