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

Analytical Chemistry Interview Questions

Questions Answers Views Company eMail

Is it necessary to inject three replicate for accuracy in AMV.

Amoli Organics,

1 3967

Which is the best mobile phase to separate organic acids using C8 column. And how should the samples be prepared for hplc?

Biocon,

1 5095

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

2038

why 0.1M OR 1M Perchloric acid standardisation done after 24 hours?

Cipla,

1 6629

What about karl fischer reaction mechanism ?

Aurobindo, Mylan,

2 7148

In IR spectra, generally a molecule vibrates without apply emr or ir light?

1979

Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?

IDA,

1856

How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample

3243

What attracted you to analytical chemistry?

1815

what is the difference b/w water content & moisture content

Dr Reddys,

3 6739

which procedure we follow if 6th month of accelerated sample fail?

Dr Reddys,

1 4606

What is third generation HPLC Columns?

Emcure,

1981

what is third integration

Orchid,

1975

Why sodium hydroxide used for maintain pH of phosphate buffer

Medicamen Biotech,

2414

What is the deference between Residual solvents and OVI

RA Chem Pharma,

1 4145

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Un-Answered Questions { Analytical Chemistry }

mode of absorption in alimentary canal?

2390

How to set specification of assay, fisdolution and related substances?

882

in hplc chromatogram started from left to right and in uv spectrum started from left to right

952

How we choose the mobile phase for method development.?

1211

can i use hplc detector to uplc and why?

2291

How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?

3864

1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer

1851

how require to fix the linearity and accuracy cincentration range?

1669

What is aggregate and fragments in SEC?

2112

why cone formation during dissolution?

783

In the isomers,enantiomers give the only physical properties present such that no chemical properties present.

2221

How to know the estimated LOQ concentration in ppm

1213

Why dissolution test is not performed in all of the products

2537

What is shaking level in GC?

792

in each media we require to use SLS? how to proceed?

787

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