Answer / k kumar nagendra

In assay by HPLC only the analyte peak is required to calculate againest the standard peak of the sample compuond hence the other impurity peaks are not required so sample in dilute to surtain level to identify the only major single peak hence we get single peak in assay by HPLC.

In some cases both the assay and impurities can be determine with the single method.

what is mean by UOD?

2 Answers  

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in pentoperazole capsules usp why assay value is substract from dissolution

1 Answers   Ranbaxy,

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What is linearity in hplc and how to calibration

1 Answers   Aurobindo,

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

0 Answers   Hetero,

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What is the meaning of Base deactivated vials

1 Answers   Sun Pharma,

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What is the difference between chiral cel OD-H & OD-RH ?

3 Answers   Aptuit Laurus,

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what is mean by 40 in the dissolution basket mesh size?

0 Answers  

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Explain what is a base line?

1 Answers  

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stability study is going on up to 3years for famotidine-USP but the pharmacopeia is revised and tlc test is replaced with hplc test. At the 4th year frequency the product is failed in hplc test .how can i assain the expiry or retest date and can i stop or continue the programme?

2 Answers   Nakoda Chemicals,

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WHEN AN UN KNOWN SAMPLE IS GIVEN TO U,HOW WILL U START THE ANALYSIS(ie FIRST WHICH TEST TO BE DONE,NEXT,THEN NEXT),HOW WILL U DECIDE WHICH TYPE OF ANALYSIS TO BE DONE FOR IT?

2 Answers   Aurobindo,

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why the most API molecule are in the hydrochloride form?

1 Answers  

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what type of compounds do we see lod @ wat type compounds do we see m.c

3 Answers   Orchid,

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