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 3287

At what distance the sample is collected in dissolution basket?

3 5845

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

Cipla, Mylan, Umedica Laboratories,

6 29519




Why Ethanol is Used for Standardization of GC Head space?

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

2670

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

2 6152

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

Hetero, Aurobindo,

3 9372

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

Sterling,

4 7563

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

3 8693




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 34600

How to decided test concentration in GC analysis.

3 4733

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

1365

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

Caplin Point,

1 9433

Why pH range is maximum 14.0

UPL,

6 22036

what is the structure of DOWEX-50

3762

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

4 16140


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Un-Answered Questions { Analytical Chemistry }

using gradient pressure in gas chromatography are not ?using gradient pressure why

2161


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

1365


How to determine the EDTA content by potentiometry titration in Ceftriaxine sodium

1145


How to choose the which salt is suitable for mobilephase

1740


How much is the standard area for glc analysis

990






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

5513


What is method validation in quality control

2449


What is aggregate and fragments in SEC?

697


what is partion and column chromatography

1078


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

1280


why does used dry caffien in HPLC calibration?

643


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

2153


What is diffrence between extractable volume and deliverable volume? Answer pls

996


What is gelatinization?

449


In performance Check of GC Why Hexadecane Peak is Considered 

1818