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 a differance between assay by HPLC and assay by titration?

5 31411

what is PH of 0.1N Hcl, 0.01N Hcl & Mehanol.

3 48468

what is batch no. of prednisole tablet.

Dr Reddys,

8 17507

HOW RRF IS CALCULATED IN HPLC

2 12776

why should we do limit of stray light in UV calibration and why should use potassium chloride

2 30560

why ph is between 0 to 14

Apotex, Reliance, Zydus Cadila,

6 24849

what is the definition of limit of stray light in UV calibration

FDC, Zydus Cadila,

1 26411

what is the dipolement and how it is related to IR

AJ Square Inc, Aurobindo,

1 8758

why we are using in ph calibrations ph4,7,9.2 buffers only?

Reddy Labs,

5 19910

why hexane is used for FID calibration in GC

Glochem,

1 5316

what is %labelled amount in content uniformity of dosage unit and its calculation?

Zydus Cadila,

5303

how to prepare 5normality of hcl

2 46943

in pentoperazole capsules usp why assay value is substract from dissolution

Ranbaxy,

1 4461

diference b/w packed &capilary columns

2 8594

how to prepare 5 normality of h2so4 solution

Symbiotec,

3 78394

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Un-Answered Questions { Analytical Chemistry }

Colorimtry

1707

what is classification of elemental impurities? what is risk assement in elemental impurities?

809

Why irmoisture balance is used for corrugated box moisture testing

2451

in OSD forms require to use gas chromatography?

874

cefoperozone and sulbactam inj. hplc test method

2746

Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?

798

In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )

3552

identification is for unknown? qualification for known? reporting for LOQ?

780

how to develop the icp ms method? Application of icp ms?

850

In performance Check of GC Why Hexadecane Peak is Considered

3106

Hi sir if any product monograph not given known impurities (may be 5 impurities) specifications then how we require to proceed for inhouse formulation?

757

how require to interprit the method precision data of hptlc?

873

How can I develope method of dissolution by HPLC OR UV

2457

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?

862

What is the acceptance criteria for moisture balance when calibrated with sodium sulfate

2091

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