Answer / rikesh s. patel.

LOD= 3.3xsigma/S.

LOQ= 10xSigma/S.

Sigma= Residual Std Deviation.
S= Slope Comes From Linearity Curve.

Answer / guest

220

Answer / rajkumar

W2 - w3 / w2 -w1 x 100

w1 - wt of empty bottle
w2 - wt of sample
w3 - wt of bottle with sample after 1-3 hrs of drying in vacuum

If we get 100% assay of an Initial sample ,and the stability studies of the same sample got 90% dissolution result, and when the same stability sample was analyzed for RS studies no impurities was found . Where the 10% Active substance were gone during dissolution analysis.Please help me in getting the conclusion.

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