Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

Plz explain the formula in uv calibration =Absorbance of the sample ( x ) x 10 x 1000/Weight of potassium dichromate taken in mg

1 5769

how v can identify functional groups by wet techniques?

2 2210

What is the difference in OVI and Residual solvents?

Discovery Intermediates,

3 10085




what is the method of UV cabinet CALIBRTION

2 10267

WHAT IS THE USE OF STARTER ?????????

Sharp,

1153

why IR graph or spectra comes down ? Any reason

3 12277

what is partion and column chromatography

Emcure,

1102

What is the difference between the optics of UV and PDA Detectors ?

Neuland, Emmennar,

3 10762




How to establish pKa for a new API molecule ?

Neuland, Sun Pharma,

2 8111

why we are adjusting the ph in buffer solution preparation

2 9103

what is the film thickness in ftir

8 8435

what is the principle of assay of sodium nitrite?

2 7626

why required specificity in valdation

3 5270

why we are analyzing purity on HPLC why not in gc

Reddy Labs, Aurobindo,

3 10638

whate is difference between calibration and validation

Ranbaxy, Zydus Cadila, Cipla, Alkem Labs, Torrent Pharma,

11 40674


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Un-Answered Questions { Analytical Chemistry }

what type of question will ask in the interview of lab chemist.

2180


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

790


Tell me something about Vitamin A test method by HPLC

1429


from where i get mortar pastle for glass bottle crush? it's required for testing of it?

956


WHAT IS THE CRITERIA FOR SELECTION OF TIME OF DISSOLUTION AND THE MEDIUM OF DISSOLUTION?

1448






WHAT IS DIFFERENCE B/W MALTINGRANG/DSC

1239


Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?

1736


How to choose concentration of LOQ solutions for RS analysis? Example.

862


How can the GC or HPLC method is selected to determine the impurity profile in drug product?

5548


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

1285


Why dissolution test is not performed in all of the products

1258


mahagenco syllabus for the post of chemist

4977


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

333


A ha tc is actual defination of retention time?

302


What is intact assay method development.....?

1192