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a mordant is used for the dyeing to try it
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∙ 15y ago
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Can you make a sentence using the word mordant?
It means a caustic or sharp quality.He has a mordant sense of humor.It can also mean a substance that fixes a dye into a fabric.What chemical did you use as a mordant?
What might you do to make a natural dye more colorfast?
Colorfastness of a dye can be improved by using a substance called a mordant. A mordant is a chemical that bonds the colorant in a dye to a material. This happens because part of a mordant particle bonds to a particle in the material and another part of the mordant particle bonds to a dye molecule.
What mordant is used in spore staining?
Heat is the mordant used in the spore stain, it fixes the primary stain.
Why gram's iodine called a mordant?
Gram's iodine is called a mordant because it fixes the primary stain to the cell wall and adds any color.
Why is gram's iodine called mordant?
Gram's iodine is called a mordant because it fixes the primary stain to the cell wall and adds any color.
Is dye a nitric acid?
Dye and nitric acid are different. A dye is a colored substance that has an affinity to the substrate to which it is being applied. The dye is generally applied in an aqueous solution, and requires a mordant to improve the fastness of the dye on the fiber.
Why wool take color?
Some wool is naturally colored. White wool can be dyed, if the dye is accompanied by an agent called a mordant, which prepares the fibers to accept the dye.
What is the difference between sulphur and vat dye?
sulphur dye is made by sulphur linkage &vat dye made by ketone linkage. thus sometimes sulphur dye are used for basic dye in respect to mordant. that is called topping. when we shall break insoluble vat dye,then we shall get pigment.
What is the mordant in a gram stain?
Gram's iodine stain is applied after the culture is stained with the primary stain. It acts as a mordant, fixing the primary stain to the cell wall while lending no additional colour to the cell (i.e. the mordant itself is not a stain). The mordant is only able to fix the stain to Gram-positive bacteria because of the characteristic thick, peptidoglycan coat that they possess. Because the mordant is not able to fix the stain to Gram-negative bacteria (who's coat have a different composition), the crystal violet stain will wash away from Gram-negative bacteria when the decolourizing agent is added.
He discovered a mordant that could male dye into stick of cotton that lead to make the present day a scientific industry?
hindi ako hehhe
What is the chemical composition of kermes?
The active compound in kermes dye is kermesic acid, extracted from Kermes vermilio; it usually includes a mordant (metal salt, alum yields blood-red) that determines its color when the dye is applied.
Is vinegar a mordant?
Yes, sodium chloride can be used as a mordant.
