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Gram negative
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∙ 11y ago
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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.
What is the role of mordant black indicator in complexometric titration?
...What?...
If you sand the galvanized coating off the steel could you etch it in mordant?
If you sand the galvanized coating off the steel, it should be able to be etched in mordant. The galvanizing is there to protect the metal from chemical interaction.
What is the use of Iodine in gram stains?
The iodine in the gram stain serves as a mordant or fixative.
What is the compound name of FeCl36H2O?
It is a yellow-brown cyristaline compound used as a mordant in dyeing and as an etching compound.
Is vinegar a mordant?
Yes, sodium chloride can be used as a mordant.
What is a dye which fixes without a mordant?
a mordant is used for the dyeing to try it
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.
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?
How does Ecoli poising occur?
When a product has the Ecoli bacteria and you consume it.
Is vancomicyn resistant ecoli contagious and how?
is vancomicyn resistant ecoli contagious
How do you use mordant in a sentence?
Alum was used as a mordant in dyeing. Salt is used as a mordant in dyeing and calico-printing. Mordant is very sarcastic and painful wit or speech. It is also known as a substance that attaches dyes to materials.
Is mordant used in acid fast stain?
The heat is the mordant for an acid-fast stain
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.
Is the ecoli chromosome is longer than the diameter of an individual ecoli bacterium?
yes.
When was Edwin Mordant born?
Edwin Mordant was born on December 22, 1868, in Baltimore, Maryland, USA.
When did Edwin Mordant die?
Edwin Mordant died on February 15, 1942, in Hollywood, California, USA.
