Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

what is full form of RVT

1 10086

Defination of ZEEMAN EFFECT in NMR ?

2 4578

what is MCG dilution in HPLC & GC analysis

Cipla, Amoli Organics,

1 7029




what is difference between GC & GC-HS

9 28617

which brands GC coloumn available in market

4 6473

why linerity not use in GC but use in HPLC ?

6 10025

How to decide restandardisation due or retest or expiry of Volumetric solutions prepared in wet chemistry lab?

NCL,

6 20337

How to interpret XRD graphs against standard and limit for same?

NCL,

3 6593




Difference between c18

Dr Reddys, Intas, Torrent Pharma, Apothecon, IPQA, SUN,

6 45540

principle of UV , PDA , RI detector in HPLC

Dr Reddys,

7159

mahagenco syllabus for the post of chemist

MahaGenco, Unimarck Pharma,

4930

What is post run in hplc?

Cipla,

1 11691

Tell me something about Vitamin A test method by HPLC

Lupin,

1369

How to choose Normal phase or Reverse Phase HPLC method Conditions for given sample?

PharmaZell,

3 10319

why the most API molecule are in the hydrochloride form?

1 7428


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Un-Answered Questions { Analytical Chemistry }

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...

587


In IR spectra, generally a molecule vibrates without apply emr or ir light?

577


Why a1% value is used for some product ? What is the criteria for selection a1% value ?

992


What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ, LC Q TOF and GC Q TOF. What are the applications and Specificity?

6014


What is third generation HPLC Columns?

730






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

308


why are measure gas flow " ml " in Gas chromatography

398


what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means

731


Why irmoisture balance is used for corrugated box moisture testing

1092


A ha tc is actual defination of retention time?

260


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

1119


What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio

333


IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?

1245


why glutent are detected in the rice cereal baby food product even manufacturer claimed that they are using rice and milk only?we have using ELISA to do the test,and rice supposed not containing any glutent,rite?We already repeat the test so many times and it still detected.just wondering where the glutent came from?

1308


what is partion and column chromatography

1058