Analytical Chemistry Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Analytical Chemistry Interview Questions

Questions Answers Views Company eMail

What is Isotope tracer technique?

LAP, MAHINDRA, MPSC, PSI Data Systems, WNS,

1 7307

In Karl fischer titrator what medium we can choose to analysing aldehyde and ketone samples by using KF reagent

4 12793

Can we do the MC analysis of a sample which is not completely soluble in the medium choosed.

2 7610

what is reverse phase chromarography&normal phase chromatography

Aurobindo,

4 13747

what is difference between Performance check and Calibration?

1 15859

What is the correct way to digest milk powder to get the corrrect value of Fe and Zinc?

1 4337

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?

2820

What is the reason for using the 900ml of dissolution medium

Cipla,

16 80314

what are the different methods of analysing related substances test,what are LOD AND LOQ .HOW TO REPORT IMPURITIES WHEN LOD AND LOQ LIMITS R SPECIFIED

Dr Reddys,

3 27230

Which type of material analysis in GC using Theramal conditivity detector ?

7 12083

suppose i give three compounds A,B,C how do u calculate assay of those three componds which method do u prefer

5 11681

why you require QA approval & what is its importance?

2 8354

wt is rsd in and explain

Cadila, Reddy Labs,

4 16702

what is the difference of use of LOD test and Karl Fischer titra.?

15 37998

What is the difference between Paddle and Basket Why we are using Basket or paddle in dissolution.

Apotex, Cipla, GSK, Intas, Zydus Cadila,

7 46192

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Un-Answered Questions { Analytical Chemistry }

A ha tc is actual defination of retention time?

1662

In HPLC (Waters) software Empower1,2 &3 what is the updation for each version

3085

using gradient pressure in gas chromatography are not ?using gradient pressure why

3440

what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me

2734

in sampling of raw material which side is pasted sampled labels

1886

what is mean by dissolution biowaiver study?

995

if identification threshold crosses the limits then what next step?

915

Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?

2890

What is the diffrence in japan mkt requirement in analytical method validation over US?

772

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

1267

how to set sample and standard concentration in RS method?

967

which batch require to use for analytical method validation?

859

we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion

1919

how you start RS method development when for new product?

779

in dissolution if one bowl got 70 percent 2nd bowl got 80 percent and 3rd bowl got 90 percent then how proceed?

808

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