Detection and Visualization of Chemical Agents Quiz
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Questions and Answers

What are the non-specific methods for detecting colourless substances?

Iodine chamber method, UV chamber for fluorescent compounds

What is an example of a specific method for detecting colourless substances?

Spraying method e.g. agendroffs reagents

What is reverse partition chromatography and what does it involve?

It involves the use of a non-polar stationary phase impregnated with a non-polar substance, dissolved in a non-polar solvent.

What happens during the evaporation process in reverse partition chromatography?

<p>The volatile solvent evaporates, leaving the non-polar substance as the stationary phase on the paper.</p> Signup and view all the answers

How is the mobile phase replaced in reverse partition chromatography?

<p>It is replaced with a solvent that is more polar than the stationary phase.</p> Signup and view all the answers

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