Answer Posted / satish24686

By using of PDA DETECTOR WE CAN DETERMIN THE PEAK PURITY.

Peak purity mean that analyte peak or impurity peak may have
no interference with another unknown or known peak.

we have three methods to determine the peak purity.

those are 1. Spectral comparison method or vector method
2. Background correction method and 3. dimensional
method

iam usig ph buffers merk. manually how to prepare ?

2327

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for which product require to do content uniformity? what is limit of cu?

875

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about method developement in hplc

1761

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How much is the standard area for glc analysis

2331

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how you confirm the assay method?

826

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WHAT IS THE USE OF STARTER ?????????

2471

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

3362

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What is related substance by HPLC impurity limits as per USP?

1153

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How require to perform linearity as per ANVISA? What are the acceptance criteria?

1400

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WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY

2665

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we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion

1919

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Which are the diffrent grades of api in pharma?

815

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why salisylic acid not using now days for disdolution calibration?

839

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mode of absorption in alimentary canal?

2434

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if content uniformity passing but dissolution varrying then what is next step?

936

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