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



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

For titration in anhydrous media with perchloric acide, if lack of titrator, Which indicator is been used for replacement. How calculate pH of test solution to choose suitable indicator?

1792


CAN WE DETERMINE THE PEAK PURITY IN GAS CHROMATOGRAPHY ANALYSIS?

704


1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer

1302


Why use only methanol,used determinationof moisture content not use other solvents

878


in hplc chromatogram started from left to right and in uv spectrum started from left to right

469






in OSD forms require to use gas chromatography?

332


WHY given much noise PDA dector then VWD Dector

1503


What is the acceptance criteria for moisture balance when calibrated with sodium sulfate

1547


Which parameter require to do for analytical method equivalency?

324


why require to add enzymes in capsules dissolution only? is it require to tablet also?

265


What is delay volume?

847


What is diffrence between extractable volume and deliverable volume? Answer pls

3929


In Dissolution Test why limit is define Q+5% what is the role of +5%.

2572


Explain the relations between number of carbon atoms in alkanes and retention time ?

1626


if rsd failed then what require to do?

324