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Methylene blue
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∙ 11y ago
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How does hot water dissolve dye?
Dye is soluble in water. Hot water just dissolves it faster.
Crystals of dye are placed in water?
If the crystal is soluble the water become colored.
What is disperse dye?
Disperse Dye is an organic dye used to dye cellulose acetate and are water soluble. These dyes are mainly use in dying of polyester, nylon and acrylic fibers.
Which of the dyes in screened methyl orange is more soluble in water?
Blue and yellow dye.
What is a positive Sudan IV test result?
If no lipids are present, the red dye will sink to the bottom of the test tube. Sudan (iv) is not soluble in water but soluble in lipid.
How does hot water dissolve dye?
Dye is soluble in water. Hot water just dissolves it faster.
Crystals of dye are placed in water?
If the crystal is soluble the water become colored.
What is disperse dye?
Disperse Dye is an organic dye used to dye cellulose acetate and are water soluble. These dyes are mainly use in dying of polyester, nylon and acrylic fibers.
Which of the dyes in screened methyl orange is more soluble in water?
Blue and yellow dye.
What is a positive Sudan IV test result?
If no lipids are present, the red dye will sink to the bottom of the test tube. Sudan (iv) is not soluble in water but soluble in lipid.
Metal that is used as a dye cat scans?
The metal that is used as a dye in CT scans is water soluble iodine or barium. These are sometimes avoided by patients because of allergies to the metals.
Would water be a suiable solvent for every dye?
-Cationic dyes (basic dyes) are soluble in polar solvents such as water, alcohols -Nonionic Fat-soluble dyes line metal-free azo and anthraquinone dyes are soluble in aromatic and aliphatic hydrocarbons. -Metal-complex dyes are normally soluble in alcohols, ketones, glycoethers
How do you use diffusion in a sentence?
The story will be out in public once it'll be diffused on the news this evening.
What determines how far a substance moves on a chromatogram gram?
The substance moves according to the solubility of the substance. For example, dye a's solubility is water is high, it will reach the top of the chromatogram. If the dye is not soluble in water or low solubility in water, it will stop half way on the chromatography paper and/or will separate from the other dyes.
Why does lipids turn redish brown when added to Sudan iv dye?
Sudan dye is lipid -soluble dye, thus, it will turn any lipids to red. It mixes with it.
Why is it important to convert indigo to the leuco-base form in a dye bath?
Indigo has to be converted to the leuco-base form in a dye bath because indigo is insoluble in water and has to be converted to a water-soluble form through an oxygen-reduction process. This action produces luecoindigo which it used to dye clothes. The clothe can be converted back to an indigo form thereafter by air drying.
How do you test an apple for vitamin C?
1. Crush the apple and shake it in warm water to extract the soluble substances 2. Take some of the water that had the apple in it and add it to 2cm3 of a 0.1% solution of DCIP (a blue dye) 3. If vitamin C is present, the blue dye will go colourless
