Answer Posted / gpn

we want more explanations about it

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

631

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if your impurity coeluting with each other in that situation how require to set specification? is it acceptable?

900

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identification is for unknown? qualification for known? reporting for LOQ?

665

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How do we fix the sample concentaryion in hplc method development?

1082

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Please tell me about the pH of Polycaboxylic ether is it in the 5-6 range ever or more than 6

2550

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

2584

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As per ICH related substances stability trend limit from initial to shelf life

3185

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WHY pKa value is more important than pH value of the mobile phase in HPLC?

1712

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Why to use propyl paraben in HPLC gradient calibration

7319

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Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?

1796

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

2228

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if instrument calibration fails then what require to do?

894

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in hplc chromatogram started from left to right and in uv spectrum started from left to right

889

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what type of question will ask in the interview of lab chemist.

3262

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how can give the expiry period and restadardisation of volumetric solution

2528

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