Answer Posted / suresh

kcl is primary standard&it has high penetrating power.

what is biorelivent dissolution media?

813

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In BP2013, Loperamid HCl monograph. Assay by titration with 0.1N sodium hydroxide using hydrocloric acid 0.01N and reading the volume added between the 2 points of inflexion. I have a question that if the diluent solvent is ethanol is certainly consumed a amount of volume of titrant, so this volume must be eliminated on the result calculation or not apart from first point which is subtracted above.

3131

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How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?

1780

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in dissolution why pool sample needed? in which type of drug pool sample need?

3181

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why require to do water content for drug product?

835

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why we are using hexane in calibration of number of drop per mL

1741

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In the isomers,enantiomers give the only physical properties present such that no chemical properties present.

2227

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what is partion and column chromatography

2395

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when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.

2047

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in which situation require to change rs specification?

754

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

2045

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using gradient pressure in gas chromatography are not ?using gradient pressure why

3394

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How to fix the sample conc. in Related substances test by HPLC?

1101

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which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc

2165

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Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?

2834

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