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How to calculate LOD & LOQ in HPLC Validation Method

Answer Posted / nikhil gandhi

Based on ICH Guideline there are many method given to
identify LOD and LOQ, but most useful method is slope and
residual standard deviation is used.

LOD : 3.3 X sigma/ Slope
LOQ : 10 X sigma/ Slope

Sigma : Residual Standard Deviation

Is This Answer Correct ?    12 Yes 4 No



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