Answer / raja.s

Usp limit

Answer / nagesh

As per IP 28 to 32
As per USP 29 to 32

what is the difference between EP and BP

2 Answers   Novartis, Vimta Labs,

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for inorganic molecules require to do RS, Assay and disso?

0 Answers  

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Is it necessary to validate both assay and related substances for usp official methods for products.

6 Answers   Apotex,

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what is the differance between Analytical and semi micro balance?

2 Answers  

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Dear Sir, This is Thirunavukkarasu am working in Ordain Health Care AR&D, Am Having one problem While doing method development my question Metadoxine and Pyridoxine same chemical nature and structural activity i tried lot of methods but Analyte eluted same Retantion time i cant separate both peaks. solubility, pH both are same only only difference melting point metadoxine 210 C Pyridoxine 102 C please do the help needful for me

5 Answers   Ordain Solutions,

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what is turbidimetric titration?Give 2 examples.

0 Answers   Laurus,

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Why we more noise in PDA detector compared to UV detector?

1 Answers   Aurobindo,

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Column selection in HPLC method development?

1 Answers  

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what is reverse phase chromarography&normal phase chromatography

4 Answers   Aurobindo,

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In case of dissolution test, if there is variation within 6 individual units however the batch is complying as per S1 criteria, is it necessary to do investigation for the same? What should be the criteria for such variation?

2 Answers  

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why we use prednisone tablet in chemical callibration of dissolution apparatus?

6 Answers   Cipla, Mylan, Umedica Laboratories,

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what is LC - MS ? What its wide use in cro/pharmaceutical Industry

4 Answers   Ranbaxy,

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