Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

What is void volume & dead volueme

Lupin, Bayer,

3 9451

How we will diapose UV (detector) lamp?

Bayer,

1 4606

Principle of single pan analytical balance

Bayer, Amneal Pharmaceuticals, Dr Reddys,

3630




what is the disso medium for tropsiun chloride

883

what is the meaning of linearity,principle of co-relation coefficient?

3 6202

how can we determine RRF value in HPLC FOR CALCULATION OF IMPURITY ?

Macleods,

4 39894

In UV we measure absorbance , how it is happend ? explain me

4 7152

why we are performing residue on ignition?

6 13654




why we are performing residue on ignition?

2 6859

NMR is both qualitative and quantitative?EXPLAIN

2 4235

why buffer is added in solvent system in HPLC ??

Lupin,

10 11538

how can we calculate void volume?give its importance in brief

Natco,

1 6939

What is the function of end capped column?

Cipla,

5 27437

HOW TO CALCULATE THE MASS OF UNKNOWN IMPURITY IN LC-MS? AND WHAT IS THE ROLE OF FRAGMENTATION IN LC-MS ?

1 4093

how calculate column dead volume in hplc ?

Torrent Pharma,

3 16635


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Un-Answered Questions { Analytical Chemistry }

What is the difference between spectro meter and spectro photo meter?

8407


why we are using hexane in calibration of number of drop per mL

213


Basic principle of ESI?

816


While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?

962


how to select short coloum and long coloumn for new molecule

1008






What is the exact reason to use THF and IPA in buffers of Reverse phase HPLC as a solvent?

2472


what parameters we will consider while developing a HPLC method and how we confirm our HPLC method is valid?

2178


EXPLAIN THE CALCULATION PART OF AN KF TITRATOR CALIBRATION WITH SUITABLE EXAMPLE

1311


Colorimtry

205


What is gelatinization?

368


what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means

679


what is difference between zero air gas and o2 gas

6072


In dissolution of tablets/capsules elaborate the Dissolution limit 20.0% to 60% Q in 30 minutes.

709


pharma industries oriented

825


Why dissolution test is not performed in all of the products

1173