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

Analytical Chemistry Interview Questions

Questions Answers Views Company eMail

One Raw material failed assay test is there any chance for failing purity of that material ?

Mylan,

7 14169

What are the differences between GC and HPLC?

1 15228

Why do we need GC instead of HPLC? or Why do we need HPLC instead of GC?

4 13168

What is linearity in HPLC and how will you test?

1 19975

what is the difference between polarimeter lamp and ir lamp

3506

What is the difference of time between two consecutive injections in HPLC?

Nectar Lifesciences,

2 11071

what is difference between IR lamp and polarimeter lamp

Raks Pharma,

2 9950

Why dissolution test is not performed in all of the products

Biocon, SDD,

2537

why we need to do karl ficher fector ?

Reliance,

2 12594

Why we are use 0.005M Sulphuric acid, in control of absorbance performance test UV Spectrophotometer calibration

Cipla, Reddy Labs,

2 16380

How much sample concentration should i inject against diluted standard in related substances for drug product in hplc analysis

Apotex,

1 4549

how to prepare 25 ppm acetone. explian with formula

4 17862

why sucrose not used in polarimeter calibration?

Cipla,

2 10830

What is the diffeence between assay and uniformity of content

2 10088

why ur using toulene in hexane in u.v calibration?

Biological.e.limited, Cipla,

3 30013

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Un-Answered Questions { Analytical Chemistry }

How you develop a method in HPLC?

2617

IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?

2457

What is split ratio in Gc? Splitless? how requirr to select?

892

Why are use silicon oil mr?

1204

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

2833

What is gelatinization?

1618

Identify problem faced when mass spectroscopy is used with HPLC system ?

1870

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?

801

could negative ions be produced by bombardment process in mass spectrometry?

1781

Why potassium dichromate is used in calibration of uv?

1988

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

2545

Tell me about analytical method validation in QC

6181

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

721

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

9798

what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR

9249

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