Q. What is the drawback that occurs in using ion exchange chromatography on sulphonated polystyrene resin and colourimetry for amino-acid analysis?

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Q. Which one of the following methods is the most suitable for amino-acid analysis?

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Q. Which of the following colour reagents are used in Resin column chromatography?

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Q. Which of the following amino-acids is measured at a wavelength of 440nm using photometric systems?

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Q. In Automatic amino-acid analyzer, the sample containing ___________ of each amino compound is introduced at the top of the ion exchange column.

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Q. Which of the following cannot be analysed using resin column chromatography?

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Q. Trapped air in pumps of Automatic amino-acid analyzer is eliminated using which of the following ways?

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Q. Amino-acids are distinguishable from each other only by one or two atoms in their structure.

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Q. What is the drawback that occurs in using gas chromatography for amino-acid analysis?

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Q. Resin column chromatography does not involve breaking of bonds in amino-acids.

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Q. Given below is a diagram of separation of two components of a mixture in a chromatographic column. From the diagram, infer which component has lesser affinity to the stationary phase.

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Q. Given below is the diagram of ‘Process of chromatographic column’. Identify the unmarked component in the process.

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Q. Given below is the block diagram of gas chromatography. Identify the unmarked component.

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Q. Given below is a diagram of electron capture detector. Identify the unmarked component in the diagram.

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Q. Given below is the diagram of Ultraviolet detector used in liquid chromatography. Identify the unmarked component.

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