1.

Which of the following equations give the expression for plate number, N when ‘tR’ is the adjusted retention time and ‘Wb’ is the width at the base of the peak which is equal to 4 standard deviations.

A. 16 tR2/Wbb) 4 tR2/Wbc) (4tR/Wb)2d) 4 (tR/W
B. 4 tR2/Wb
C. (4tR/Wb)2
D. 4 (tR/Wb)2
Answer» D. 4 (tR/Wb)2


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