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Basic principle of ESI?
Which is the highly polar and highly non polar column in HPLC?
How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?
what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means
in which situation require to take incident in validation?
How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?
Explain the relations between number of carbon atoms in alkanes and retention time ?
how you start the solubility study?
What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)
how will you do the prep for unstable componds?
How we can identify process related and degradation impurity in single method with short period?
what you do when compound having dwel wavelength?
why glutent are detected in the rice cereal baby food product even manufacturer claimed that they are using rice and milk only?we have using ELISA to do the test,and rice supposed not containing any glutent,rite?We already repeat the test so many times and it still detected.just wondering where the glutent came from?
what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.
what type of question will ask in the interview of lab chemist.