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Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

Describe your experience with analytical instrumentation?

Alembic, Apotex, Aurobindo, DLF, Enal Drugs, Lupin, Natco, Pharma,

2 31993

Do you know what Trace metal clean technique is?describe that technique?

Mylan, Nirma, Oil and Gas Jobs, Reddy Labs,

1 6967

Describe your experience with quality assurance and quality control analyses?

Aurobindo, Dr Reddys, MSC, Reddy Labs,

11 29307

Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?

Apex, BNM, Ranbaxy,

1789

Do you have experience with organic extractions or tissue digestions?

GVK Biosciences,

1 5940

How to Perform a Recrystallization ?

4 14363

How is the Flame test performed?

Lupin,

4 15749

What is Fourier Transform Spectrosopy?

Aurobindo, Hetero, Lupin,

5 21233

what is analytical chemistry all about?

Dr Reddys,

6 17672

How will you separate Colorless compound Using Column Chromatography?

Delhi University, VPHS,

4 26375

Can anybody tell me how to measure Redox potential in an aerobic matrix, for e.g., soil etc.?

2 5000

what is the difference between Tailing Factor & Asymmetry

Ashish Life Science, BEC Chemicals, Jubilant,

8 40756

How will you convert a 6 Normal solution to 8 Normal solution?

Reddy Labs,

17 32119

why do u get different drug release while doing calibration of dissolution test appratus 1& 2(paddle & basket)?

HDFC, Medrich, Twilight Litaka Pharma,

1 4880

what is the defination of accuracy & presicion?

Amneal Pharmaceuticals, GSK,

8 21622


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Un-Answered Questions { Analytical Chemistry }

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

994


how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,

1438


please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development

632


How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.

2950


Why dissolution test is not performed in all of the products

1540






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

4029


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

2347


How to start the dissolution development for unknown tab?

649


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

7230


what are the standard methods for HPLC?

1787


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.

1806


For standardization of volumetric solutions, acceptance limit for concentration is considered as 10% of nominal concentration and %RSD as NMT 0.2% (for appropriate no. of replicates). But , if %RSD has not met, what should be further action?

501


what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?

1373


how can I make the copper get white bye any salt or acit?

1267


Many times I don't got a caffeine peak in calibration of hplc using guard column ❓

625