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प्रश्न
During hearing of a court case, the judge suspected that some changes in the documents had been carried out. He asked the forensic department to check the ink used at two different places. According to you which technique can give the best results?
पर्याय
Column chromatography
Solvent extraction
Distillation
Thin layer chromatography
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उत्तर
Thin layer chromatography
Explanation:
Thin layer chromatography (TLC) is used to separate the pigments present in ink.
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संबंधित प्रश्न
Give a brief description of the principle of the following technique taking an example.
Chromatography
Name the simplest type of chromatography?
What is meant by stationary phase and mobile phase in chromatography?
Name the different types of chromatographic techniques.
State the correct technique for the separation of the following mixture.
solid constituents in a liquid constituent by adsorption.
Dyes of an ink
- Give the principle involved in the separation of the mixture
- Give the technique of separation of the mixture.
Choose the correct option.
Colourless components on chromatogram can not be observed by the following:
Give names of two materials used as stationary phase in chromatography.
How do you visualize colourless compounds after separation in TLC and Paper Chromatography?
Label the diagram and explain the process in your words.
Chromatography is based on the principle of ______.
The principle involved in paper chromatography is ______.
In chromatography technique, the purification of compound is independent of ______.
The separation of two coloured substances was done by paper chromatography. The distances travelled by solvent front, substance A and substance B from the baseline are 3.25 cm, 2.08 cm and 1.05 cm respectively. The ratio of Rf values of A to B is ______.
Which one of the following techniques is not used to spot components of a mixture separated on thin layer chromatographic plate?
Complex mixtures are separated by ______.
Which basic principle is used in chromatography?
In chromatography, the mobile phase is usually ______.
