Many times I don't got a caffeine peak in calibration of hplc using guard column ❓

0 Answers  

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Hi sir if any product monograph not given known impurities (may be 5 impurities) specifications then how we require to proceed for inhouse formulation?

0 Answers  

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can some other acids like nitric acid or HCl can be used in the calibration of UV.Vis. spectrophotometer????

2 Answers   Cipla,

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why the sucrose used in calibration of polarimeter

5 Answers   Neuland,

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What is the Defination of Tapdensity ?

4 Answers   Dr Reddys, R L Fine Chem,

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In partical size by malven,which parameter is generlly change for development of dry and wet method.

1 Answers  

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What will be the effect on HPLC analysis result if three mobile phases given separately through three valves and same proportion mixed together and given by one valve?

1 Answers   LOIL,

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can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?

0 Answers   Cipla, XYZ,

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what is the difference b/w repeatability nd reproducibility ?

1 Answers   Aptuit Laurus,

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What is aggregate and fragments in SEC?

0 Answers  

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what is the principle involved in determination of moisture content?

3 Answers  

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what are the sources in ELSD,PDA, RI and UV Detectors?

1 Answers  

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