Analytical Chemistry Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Analytical Chemistry Interview Questions

Questions Answers Views Company eMail

why we use pyridine to determine moisture content of acetonel

Lee Pharma,

2 14518

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

Aventis,

2 9239

Which type of analysis we have to done uv spectroscopy

2 9954

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 12986

What is the difference between uplc and hplc

AAU Assam Agricultural University, Hetero,

4 26918

What is meaning of audit trail in hplc

DRL, Lee Pharma, Raks Pharma,

3 25201

How we can determine OOT limit in Stability

MSN Pharma,

2 14757

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

Glochem, Sidmak Laboratories,

1 6915

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,

2228

WHAT IS DIFFERENCE B/W MALTINGRANG/DSC

Glochem,

1 2995

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

2231

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

Perkin Elmer,

9298

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?

8919

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

Caplin Point, Cipla,

4 12043

What is difference b/t uv detector and rid

5 11505

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Un-Answered Questions { Analytical Chemistry }

for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol

6141

in which situation ion pair require to use?

883

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?

2820

in sampling of raw material which side is pasted sampled labels

1888

Tell me something about Vitamin A test method by HPLC

2725

what are the guidelines for analytical method validations?

1151

in which situation require to use paddle and basket?

795

how to calculate elemental impurities?

1086

1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.

2939

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...

2073

Basic principle of ESI?

2209

what is lod and loq ?,why use k2cr2o7 , kcl h2so4 in uv calibration ?,why use benzophenone & caffene acetone in hplc calibration ?,what is leading peak in hplc ?why we do the calibration of limit of stry light in hplc & uv ?

3726

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

2011

what are the standard methods for HPLC?

2831

what is third integration

2034

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