How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?

0 Answers   NCL,

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what is mean by 21 CFR PART? In that what is 21 ?

1 Answers  

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As per USP what is RSD limit of volumteric solution of three replicate analysis

10 Answers   Orchid,

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process of Diclofenac sodium,IP.

0 Answers  

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Why do we use sodium salicylate for Calibration TLC Cabinet U.V Lamps

3 Answers   Matrix, Spar Labs,

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Why use the Omeprazole as a reference standard to estimate the assay of esomeprazole by HPLC method

1 Answers   Student,

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

3 Answers   Orchid,

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give me method of calculating co relation of coefficient for HPLC,SOR & ANY OTHER

1 Answers  

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From where 16 or 5.545 is derived in theoretical plates calculation formula by USP or JP/BP/DAB and what is meaning of this coefficient and impact in calculation ?

2 Answers   Nectar Lifesciences,

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what are the standard methods for HPLC?

0 Answers   Orchid,

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WHAT IS PVT TEST IN DISSOLUTION TEST , WHAT IS PVT SIGNIFICANCE AND HOW IT IS PERFORMED ?

1 Answers  

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