Answer / balaji nagarajan

void volume is the volume of mobile phase within the column
packing & dead vol. is vol. of mobile phase from injector
to detector except vol. in column.

Answer / sss

Void volume-It is the volume of mobile phase which required to saturate the column.

Dead Volume- It is the volume of mobile phase trom point of injection to the elution of first unretained peak.

Answer / ssk

unreten volume of column is dead volume.
void volume OR dead vol. OR delayed volume are same thing.

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