Answer / durga

Assay by HPLC quantitatively determine the API content
(without impurities) exactly, it is a stability indicative
method and Assay by Potentiometry determine approximate value
of API content, it is not a stability indicative method.

Answer / dkreddy

Assay by HPLC Specific
By Potentiometry Non-Specific

how can we decide the limit of cleaning validation? What is the criteria for it?

2 Answers   Glenmark,

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How to determine water content of thioanisole? which interfere by KF titration?

1 Answers  

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what buffer you can select for acidic nature analyte and how ?

2 Answers   Dr Reddys,

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Why we are performing wavelength accuracy at lower and higher wavelengths in HPLC calibration

3 Answers  

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HOW RRF IS CALCULATED IN HPLC

2 Answers  

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Why use the Omeprazole as a reference standard to estimate the assay of esomeprazole by HPLC method

1 Answers   Student,

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define polar and non polar solvent

2 Answers  

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which effect is mainly responsible for chromatographic separation when silica is the statinary phase at TLC? thanks in advance

1 Answers  

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

0 Answers   College School Exams Tests,

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Why we don't add Hcl, HNO3, H3PO4 in residue on ignition, why we add H2SO4

1 Answers  

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function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?

0 Answers   DRL,

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What is cut off value of solvent used in hplc

1 Answers   Pfizer,

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