What other types of analytical methods can be used to determine the composition of a two-phase liquid system? Discuss approaches that can be used (a) without removing samples, and (b) by withdrawing small aliquots.
(a) without removing samples
As the system is not homogeneous, this prevents optimal analysis. If the sample contains metal ions, qualitative methods of analysis using complexation and precipitation could be used. However, the best option is to take aliquotes from each phase for an individual analysis.
(b) by withdrawing small aliquots
Having aliquots of each phase, typical methods such as: chromatography, UV and IR spectroscopy, nuclear magnetic resonance, mass spectroscopy, etc. can be used.
This will depend on the type of sample you have, whether it contains organic or inorganic molecules and the amount of sample.
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