Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

WHY POTASSIUM DICROMATE USING IN UV CALIBRATION

Apotex, Micro Labs, Rene,

1 11383

What is the Baseline in HPLC.

Teva API,

2 8422

Why dst is used in kf for factor determination less than 1

Reddy Labs, Sun Pharma,

4 11447




why should we calibrate pH meter with 4,9.2 and 7.4 buffers particularly?

Celon Labs,

5 8604

why inject diluted standard solution in related substance analysis by HPLC?

Sun Pharma,

2 10405

What is the Calcultion of S/N Ratio.

2 7427

Principle of HPLC in one sentance

Syngene,

8 10942

Why are using in Hi,zero air, Ni gass are used GC

Aurobindo, ELBS, Vimta Labs,

5 8523




what is the balance drift?

Torrent Pharma,

2 7972

Retention time & Relative Retention time Definition & between difference? How to Calculate response factor(RF) & relative response factor(RRF)?

MSN Pharma, Titan,

3 13248

why are using toluene in uv calibraion in resolution performance

MSN Pharma,

2 7638

why we make titiration of Iron with EDTA ?

Cipla, Sitec Labs,

1 6274

What is difference b/w IR&NIR

Apotex,

1 3388

Why does boiler drum ph maintain from 9.5 to 10.2

1 4347

What is the definition of water content or moisture content,what is the procedure going on w.c amalysis?

Cipla, KIYI,

1 7125


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Un-Answered Questions { Analytical Chemistry }

What is the meaning of Base deactivated vials

940


why equlirium conatant of water have 14 value

858


WHAT IS DIFFERENCE B/W MALTINGRANG/DSC

1086


What is the purpose of octyl silane columns?

2462


in gas chromatography what is the difference between gas flow rate and average linear velocity ?

937






What is the principle of Thermal conductivity detector and FID?

1334


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

1022


mode of absorption in alimentary canal?

1086


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

1036


In performance Check of GC Why Hexadecane Peak is Considered 

1699


what is the limit for KF Factor ,we take factor using water we will found factor between 6 to 7 ,while on KF Reagent bottle mentioned 5 mg/ml water content.if we not use dried methanol it is effect on factor.

640


Qc interview questions

262


what is the structure of DOWEX-50

3526


how to get accurate result for Residue on evaporation in purified water

208


Identify problem faced when mass spectroscopy is used with HPLC system ?

622