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Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

What is void volume & dead volueme

Bayer, Lupin,

3 11058

How we will diapose UV (detector) lamp?

Bayer,

1 5471

Principle of single pan analytical balance

Amneal Pharmaceuticals, Bayer, Dr Reddys,

4071

what is the disso medium for tropsiun chloride

1251

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

3 7491

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

Macleods,

4 44448

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

4 8387

why we are performing residue on ignition?

6 17708

why we are performing residue on ignition?

2 7771

NMR is both qualitative and quantitative?EXPLAIN

2 4915

why buffer is added in solvent system in HPLC ??

Lupin,

10 13815

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

Natco,

1 7795

What is the function of end capped column?

Cipla,

5 30227

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

1 4657

how calculate column dead volume in hplc ?

Torrent Pharma,

3 19189


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Un-Answered Questions { Analytical Chemistry }

why should we perform dissolution PVT calibration only by UV spectrometer, not by HPLC ?

686


How to establish relative response factor for hplc. Why it is required?

162


cefoperozone and sulbactam inj. hplc test method

1559


Qc interview questions

758


If we do accuracy at same concentration at which linearity planned,what is the need to do linearity separately?

1271






1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.

1809


all types of questions asked at the cipla interview

3665


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

1531


is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth

948


why lactose has less charges when packed in steel containers when compared with packing of lactose in polyamide material?

1276


acceptance criteria for lod & loq by standard deviation of response and slope??

1528


why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?

7662


WHAT IS THE USE OF STARTER ?????????

1397


what is the purge flow & how to calculate

1501


why are measure gas flow " ml " in Gas chromatography

686