Answer:
In chromatography particularly in adsorption chromatography, the stationary phase is the adsorbent. It should fulfill the following criteria or better results.
(i) It should have high but selective adsorption power.
(ii) That stationary phase is selected in which impurities are more strongly adsorbed than the element to be purified.
(iii) The adsorbent should not react chemically with the solvents used for elution or with the components of the mixture under investigation.
(iv) The adsorbent should not react chemically with the solvents used for elution or with the components of the mixture under investigation.
(v) The adsorbent should be perfectly white.
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