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QUESTION

Substance A and B have retention times of 16.4 and 17.63 mins, respectively on a 30 cm column. An unretained species passes through the column at 1.3...

Substance A and B have retention times of 16.4 and 17.63 mins, respectively on a 30 cm column. An unretained species passes through the column at 1.3 mins. The base of the peak widths for A and B are 1.11 and 1.21 respectively.

  1. What is the Plate height if I calculated the average number of plates is 3445?
  2. I had a resolution of 1.06, what is the required length of column to achieve a resolution of 1.5
  3. Finally the time to elute substance B on the longer column.
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