Answer Posted / sanju

As defined by ICH, reproducibility expresses the precision
between laboratories as in collaborative studies.

Repeatability expresses the precision under the same
operating conditions over a short interval of time.
Repeatability is also termed intra-assay precision.

why require the ph, buffer during hplc mobile phase?

394

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Why irmoisture balance is used for corrugated box moisture testing

1915

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How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.

1784

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what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?

1792

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What is the difference between purge septum flow and column flow in gas chromatography?

1823

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We use Potassium Dichromate solution for the calibration of UV-Visible Spectrophotometer in UV region. My question is to calibrate visible region which solution could be used in photometric accuracy

1307

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what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.

2186

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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.

1507

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

1765

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How to start the dissolution development for unknown tab?

1131

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in which situation require to take incident in validation?

729

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if instrument calibration fails then what require to do?

453

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how you start RS method development when for new product?

279

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in dissolution if one bowl got 70 percent 2nd bowl got 80 percent and 3rd bowl got 90 percent then how proceed?

325

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in monograph 7 imp are there but in vendor showing 5 imp do not req to include 2 imp for that what will be justification?

255

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