Chromatographic Purity is a Qualitative analysis
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what is basc principle of the HPLC,IR,UV AND GC? what is difference between diffusion spectra and transmision spectra in IR?
1 Answers Cadila, Dr Reddys, GICC, Mylan, Sygene, Torrent Pharma, Zydus Cadila,
why phepolphthalene giving pink color when we titrate against to NaOH Solution ,giving colrless titrating aginsiting with acids?
2 Answers Graviti Pharmaceuticals, Vimta Labs,
Why use in sodium salicylate in uv lamps calibration
1 Answers Auctus Pharma, Reddy Labs,
mixed 1.0 ml of methanol and 1.0 ml of toluene and injected in gas chromatography.will you prove that both solvents are in the ratio 1:1(not by area normalization)
why we want incorporate area of each solution of Intermediate precision and repeatability as well as Accuracy ? What is the use to incorporate area of each solution of Intermediate precision and repeatability as well as Accuracy ?
What is mean by peak tailing in case of GC?
in gas chromatography what is the difference between gas flow rate and average linear velocity ?
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?
what is method development parameter in HPLC method development
wt is rsd in and explain
How NMR spectra can be calibrated in presence or absence of TMS?
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?