Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

how can u seperate polar compounds in hplc ?

Meditab, Piramal Healthcare,

1 4375

what is the difference between hplc and uplc?

Mylan, Fresenius Kabi,

4 4731

what is the basis of separation in chromatography?


1 3469

what is the diference between spectroscopy and chromatography

Cipla, PharmChem, Reliance,

2 6438

Why we have to take 42gm of sodium hydroxide instead of 40gm for preparation of 1M Sodium hydroxide as per Pharmacopia? Whether it means the formula for calculating molarity was wrong? 

Ranbaxy, Claris Otsuka,

3 4395

what is internal standard define

Apex, Hikma Pharmaceuticals, IPCA, Coromandel International Limited,

1 1014

pharma industries oriented

Apex, Micro Labs, Zydus Cadila,


gc Calibration % RSD failed what is the possible reasons?

Divis Laboratories,

3 4844

What is the procedure for the calibration of ph meter?


1 1599

What are the parameters for the method development of Gas Chromatography and GC-HS? 

2 2551

What is the difference between purge septum flow and column flow in gas chromatography?


how much mass should be there in volumetric flask while in preparation of sample for assay? 

Reddy Labs,


U have 4 strengths have different coating meterial which one u chose to do forced degradation stady in validation

Reddy Labs,

1 1697

Tell me about analytical method validation in QC



what is procedure of actual procedure for registration of drug?


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Un-Answered Questions { Analytical Chemistry }

A ha tc is actual defination of retention time?


why we should take dst factor for below 1%moisture samples


what is partion and column chromatography


Qc interview questions


What is the pilot-plant in pharma sector.


wat is the role of michelson interferometer in FTIR and He-Ne lase.detailed answer required in simple language


What is stray light in uv what are units for stray light


which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc


What is diffrence between extractable volume and deliverable volume? Answer pls


how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,


What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)


How much is the standard area for glc analysis


What is the calibration of uv process and preparation


how will you do the prep for unstable componds?


are there in uv lamb that is chractrestic for wavelenghth 205 nm ?????