Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

wen v have polr solvent then which type of column use in hplc

2 7251

What is Threshold in hplc?

Hetero,

2 19321

Why we use Caffeine in hplc calibration

Emcure, Laurus,

2 12498

what is the meaning of stress study?

Reddy Labs,

2 4223

what is the difference between potentiometric assay and hplc assay

Parabolic,

2 17157

why we are using buffer solutionas as a mobile phase in hplc.

2 10474

importance of internal standard and in what conditions it is used?

1 3950

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,

2042

how to select short coloum and long coloumn for new molecule

Rampex Labs,

1820

what is poarimeter, why it is used in pharma,and explain briefly about polarimeter?

GVK,

3 9760

Why KBR is used in IR for preparation of pellete, why it shows zero dipole moment

GVK,

7 12726

what is optical active and non active give examples?

GVK,

1 4316

what is custom fields in waters system?

Akorn India, Aurobindo,

1 7708

my name is santhosh i cmpleted b.pharmacy in 2009 then i went to uk in 2010 to pg diploma business management. after i came back to india.. recently again apply to uk for pharmaceutical analysis. they refused my visa you failed to explain y u r change subject. so plz ineed answer for y change the cource

1 2710

why kbr is used for pellet preparation in ir spectroscopy, give the reasons? why kbr shows zero dipole moment?

6 15935


Post New Analytical Chemistry Questions

Un-Answered Questions { Analytical Chemistry }

How will u perform degradation study in detectors other thann PDA in HPLC Methodology

2018


If we have 5 strength which is not dose proportinate and excipients also diffrent in each strength then how we can proceed for Force degradation? and excipient are same but not dose propotinate the how FD?

329


what is diffrence between specificity and selecivity?

314


what is procedure of actual procedure for registration of drug?

1455


What is similarity factor?

728






How we can identify process related and degradation impurity in single method with short period?

331


How doing qbd practically?

431


why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space

1780


Which are the diffrent grades of api in pharma?

314


Basic principle of ESI?

1644


how to calculate elemental impurities?

547


which situation gc hs and gc als require to use?

299


in sampling of raw material which side is pasted sampled labels

1249


Loss of linearity in tkn analysis, possible reasons?

802


How do we fix the sample concentaryion in hplc method development. What is the basis?

680