In which of the following types of chromatography, the charged stationary phase is used?
A
HPLC
B
Ion-exchange chromatography
C
Size-exclusion chromatography
D
None of the above
Medium
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Solution
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Correct option is B)
Ion exchange chromatography is used when the substance to be separated are charged ions. Accordingly there are two types of ion exchangers , cation ion exchanger for separation of cations and anion exchanger for separation of anions.
So, the correct answer is 'Ion-exchange chromatography'
