Answer Posted / ss

Moisture content means how much water present in your
product or test sample

LOD Means how much volatile solvents + water present
in your product or test sample

Why potassium dichromate is used in calibration of uv?

1376

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in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?

340

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

605

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if you have given one product then how you determine the impurity in that?

278

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Why dissolution test is not performed in all of the products

2020

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Which parameters require to do in tech transfer?

262

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how to select short coloum and long coloumn for new molecule

1807

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How do we fix the sample concentaryion in hplc method development. What is the basis?

670

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please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development

1092

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why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space

1773

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how decide the clining method and cleaning method validation require for this perticular products?

295

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How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?

2707

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If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately

347

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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?

1292

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if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?

269

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