Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

why we use pyridine to determine moisture content of acetonel

Lee Pharma,

2 8077

What impact analysis required for out of calibration and how to proceed

Aventis,

2 4619

Which type of analysis we have to done uv spectroscopy

2 6358




From where 16 or 5.545 is derived in theoretical plates calculation formula by USP or JP/BP/DAB and what is meaning of this coefficient and impact in calculation ?

Nectar Lifesciences,

2 7341

What is the difference between uplc and hplc

Hetero, AAU Assam Agricultural University,

4 20555

What is meaning of audit trail in hplc

Raks Pharma, Lee Pharma,

3 17989

How we can determine OOT limit in Stability

MSN Pharma,

1 8795

why we are using k2cr207 in uv calibration ? why we r not using kmno4?

Glochem, Sidmak Laboratories,

1 3420




can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?

Cipla, XYZ,

822

WHAT IS DIFFERENCE B/W MALTINGRANG/DSC

Glochem,

1069

Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?

781

what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR

Perkin Elmer,

5682

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?

5474

What is the difference between Spectroscopy and spectrophotometry,What are the applications?

Cipla, Caplin Point,

4 6772

What is difference b/t uv detector and rid

5 5607


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Un-Answered Questions { Analytical Chemistry }

how the compound separate in coulunm,explain

927


all types of questions asked at the cipla interview

3254


What is method validation in quality control

2300


In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )

1890


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

2015






Difference between hlaf and rlaf

601


What is viod volume and peak purity in HPLC?

1253


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...

472


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

627


are there in uv lamb that is chractrestic for wavelenghth 205 nm ?????

646


what is the principle involved in turbidometry and nephelometry ?

2163


How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample

860


why 6 tablets use for dissolution

1766


What is aggregate and fragments in SEC?

550


how can give the expiry period and restadardisation of volumetric solution

1211