What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)
6839how can delete the impurity in 1-(2:6 dichloro phenyl)-2-indolenone.and desolving the impurity in which solvent but does not desolve product in solvent.
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Discuss the various isotopes of Protactinium and their roles in different fields of study.
what is the structure of DOWEX-50
Explain Thiele's structure for benzene. What is the difference between thiele's structure and modern structure (resonance hybrid) of benzene?
in monograph 7 imp are there but in vendor showing 5 imp do not req to include 2 imp for that what will be justification?
is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth
about method developement in hplc
Write the structural formula for edta.
Explain how can you tell if there is a dipole moment or not?
how you confirm the assay method?
What is wave length?
What is photoelectric colorimeter?
Explain the difference in the modern periodic table and mendeleevs table?
what is classification of elemental impurities? what is risk assement in elemental impurities?
What should be the level/ Percentage of Arsenic in Arsenic free zinc.
why require the ph, buffer during hplc mobile phase?