Answer / dharmesh

For RRF value its almost 1.07 you should be used.

what is the effect of injection volume calculate flow rate in perkin elmer headspace? (ccm parameter in HS)

1 Answers  

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what are the ideal conditions for coloumn storage

3 Answers   Claris Lifesciences, Srikem Laboratories,

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what is difference between assay&purity&potency?

5 Answers  

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why do u get different drug release while doing calibration of dissolution test appratus 1& 2(paddle & basket)?

1 Answers   HDFC, Medrich, Twilight Litaka Pharma,

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Why methanol & acetonitrile is mostly used for hplc analysis?

2 Answers   DRL,

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What is zero water in TOC Analysis?

1 Answers   Orchid,

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What is difference between the working standard and reference standard?

1 Answers  

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why we calibrate ph meter and balance daily.....but hplc and uv requires quaterly?

5 Answers   Apotex, UPL,

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How to prepare 1000ppm methylene blue solution

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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In pharmacopeal solibility parameter of a material, is et essential to test all paramete? If 70-75% parameter passes can we assess that the material is satisfactory or not?

1 Answers   Aurobindo,

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What is the pH of water?

1 Answers   Zydus Cadila,

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