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How is ninhydrine reagent prepared?

Ninhydrin reagent is prepared by dissolving ninhydrin powder in a solvent such as ethanol or acetone. The solution is typically heated gently to aid dissolution. It is important to prepare fresh ninhydrin reagent before use to ensure its effectiveness in detecting amino acids.


How does ninhydrin solution help in the visualisation of developed spots?

Ninhydrin solution reacts with amino acids in the developed spots, producing a purple color. This color change makes the spots more visible and helps in their visualization on chromatography materials.


What is the purpose of spraying the chromatogram with a 0.2 percent ninhydrin solution?

Ninhydrin solution is used and sprayed on the filter paper or any paper used to make the position of the amino acids clearly visible. This is followed by measuring the distance of migration.


Chemical equaton of reaction between glycine and ninhydrin solution?

The reaction between glycine and ninhydrin solution results in the formation of a purple compound called Ruhemann's purple. The chemical equation for this reaction is: 2 Glycine + Ninhydrin --> Ruhemann's purple. The exact chemical structure of Ruhemann's purple is not fully understood, but it is commonly used in the detection of amino acids.


How can prepare .01N KBr solution?

To prepare a 0.01N KBr solution, dissolve 0.74g of KBr in 1 liter of water. This will give you a solution with a molarity of 0.01N for KBr.


How do you prepare 30 percent sucrose solution?

See the two Related Questions to the left for the answer.The first is how to prepare a solution starting with a solid substance (and dissolving it). The second question is how to prepare a solution by diluting another solution.


What are some physical methods for enhancing latent fingerprints?

Some physical methods for enhancing latent fingerprints include using magnetic powder, ninhydrin solution, and silver nitrate. Magnetic powder can be used to lift the print off a surface, ninhydrin solution reacts with the amino acids in the print to produce a purple color, and silver nitrate reacts with the chloride in the print to create a visible impression.


What is the molecular formula of ninhydrin?

Well, the best I could come up with is it's either:C9H6O2orC4H3O2If someone knows any different please correct me.jman63: it is actually C9H6O4


Does ninhydrin has flaws?

Yes, ninhydrin has some drawbacks. It can react with other substances present in the sample, leading to false positive results. Additionally, the reaction with ninhydrin is not specific to a particular amino acid, which can limit its application in identifying specific amino acids.


What flammable fumes does ninhydrin give off?

Assuming this question is in reference to a Fingerprint chemical treatment... It depends on the carrier used for the Ninhydrin solution. This most common formula used these days is with HFE 7100. This solution is nonflammable. It does also have very small amounts of Acetic Acid, Ethanol and Ethyl Acetate but of such a small quality compared to the HFE 7100 that the resulting working solution is considered to be nonflammable. Older formulas used to use petroleum ether or heptane which are highly flammable.


How do you prepare buffer solution?

To prepare a buffer solution which may be acidic. Titrate ethanoic acid (weak acid) with sodium ethanoate(salt).


How do you prepare 05M glutaraldehyde?

To prepare a 0.5M glutaraldehyde solution, you would need to dilute a concentrated glutaraldehyde stock solution with the appropriate volume of water or buffer solution. Calculate the volume of stock solution needed based on the desired final volume and concentration, then dilute with the solvent. Finally, mix the solution thoroughly to ensure uniform distribution. Remember to follow safety protocols when working with glutaraldehyde, as it is a hazardous chemical.