Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

What is the difference between kf  and LOD

Enaltec Labs,

5 15848

What is chiral and why this performing in HPLC

Hetero, Macleods,

4 15332

How to Calibrate NMR instrument ?

Reddy Labs,

1 3100




what is difference b/w spectroscopy, Spectrometry and Spectrophotometry ?

Reddy Labs,

1 9496

Hello Dear all; I have a technical question related to analytical Chemistry, I have a sample of (40% w/w) Ferric Chloride solution (for water treatment purposes which consist a little portions of Ferrous Chloride and Hydrochloric acid. I need to know the methods to determine the percentages of each Ferrous Chloride and Chloride acid. Also I want to make sure that this solution is truly (40% w/w). So ANY CLUE !!! Thanks in advance.

2 2057

What is the meaning of 624 in DB-624 Capillary column used in GC?

Aurobindo,

4 14744

In Agilent HPLC calibration using Empower 3 Software, What is the criteria for GPV Baseline starting point? i.e., Either it can start from -0.00/+0.00 or any range is there like -0.05 to +0.05 or ......etc?

Apotex,

1 3731

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

Reliance,

2076




What is the difference between STANDARDIZATION and CALIBRATION of instrument like KF? why do we standardization of KF everyday? Why the KF factor being only 5.02 etc? 

AlpaMed, Vergo pharma research,

5 19037

What is Formula of Potency calculation on Dried basis, As is basis& Anhydrous basis.

Laurus, Teva API,

10 46251

Why base line not start from zero in GC Chromatography analysis.

Orchid,

1 3563

Please tell me about the pH of Polycaboxylic ether is it in the 5-6 range ever or more than 6

Apex Encon Projects Private Limited, Cipla,

1267

can i use hplc detector to uplc and why?

Mylan, SGS,

891

what is the maximum flow rate in prep hplc

Meril Life Science,

1 1216

how will you do the prep for unstable componds?

Piramal Healthcare, CTX Life Sciences,

619


Post New Analytical Chemistry Questions






Un-Answered Questions { Analytical Chemistry }

about method developement in hplc

348


all types of questions asked at the cipla interview

3293


What is aggregate and fragments in SEC?

581


what is the disso medium for tropsiun chloride

848


USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...

504






pda detector mechanism?

965


could negative ions be produced by bombardment process in mass spectrometry?

135


What is the principle of Thermal conductivity detector and FID?

1353


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

1343


sop of a uv visible spectrophotometer double beam elico model

4073


EXPLAIN THE CALCULATION PART OF AN KF TITRATOR CALIBRATION WITH SUITABLE EXAMPLE

1276


In Dissolution Test why limit is define Q+5% what is the role of +5%.

1338


when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.

734


what is DIPE limit in residual solvent?

446


Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?

1177