Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

How you collect dissolution media while in stirring condition of a basket or a paddle?

Mylan,

2 2971

At what distance the sample is collected in dissolution basket?

3 5559

why we use prednisone tablet in chemical callibration of dissolution apparatus?

Cipla, Mylan, Umedica Laboratories,

6 28223




Why Ethanol is Used for Standardization of GC Head space?

Cipla, Sun Pharma, Hetero, Finar Chemicals, Anuh Pharma,

2565

How much area of methanol or other solvent are acceptable in blank (Diluent) of Gas chromatography.

2 5849

As per OOT for any product what is calculation and how to invetigate the OOT

Hetero, Aurobindo,

2 8704

What is Spliit and Splitless in Gas Chromatography nad How does it work?

Sterling,

4 7216

Why used 0.02% v/v solution of toluene in hexane for calibration of UV.

3 8096




Why 1.2% KCl is used for limit of stray light? and why limit of stray light is required in UV calibration?

Ranbaxy, Lupin,

5 31791

How to decided test concentration in GC analysis.

3 4524

What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.

1260

in calibration of disintegration test apparatus why cycle limit is 28-32?

Caplin Point,

1 8895

Why pH range is maximum 14.0

UPL,

6 21095

what is the structure of DOWEX-50

3567

What is the difference between Normal phase method & Reverse method in HPLC ? Define application of both method.

4 15377


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Un-Answered Questions { Analytical Chemistry }

if you have given a blank water how you analyse by general analytical techniques?

656


Tell me about analytical method validation in QC

1601


How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain

1109


How you develop a method in HPLC?

1230


We use Potassium Dichromate solution for the calibration of UV-Visible Spectrophotometer in UV region. My question is to calibrate visible region which solution could be used in photometric accuracy

108






What is the calibration of uv process and preparation

621


Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18

608


what type of questions asked on analytical balance and also give answers................all pharma companies?

5717


what is the extinction coefficient for Indomethacin or at 319nm wave length.

2497


explain 5 components of gas chromatography ?

604


what is the importence and role of LCMS and LCMS/MS and their applications? which type of compounds are analysis by lcms?

2246


Difference between hlaf and rlaf

637


pharma industries oriented

787


why we should take dst factor for below 1%moisture samples

1343


i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me

1374