Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

why we use pyridine to determine moisture content of acetonel

Lee Pharma,

2 8320

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

Aventis,

2 4705

Which type of analysis we have to done uv spectroscopy

2 6467




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 7535

What is the difference between uplc and hplc

Hetero, AAU Assam Agricultural University,

4 20871

What is meaning of audit trail in hplc

Raks Pharma, Lee Pharma,

3 18311

How we can determine OOT limit in Stability

MSN Pharma,

1 9098

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

Glochem, Sidmak Laboratories,

1 3548




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,

863

WHAT IS DIFFERENCE B/W MALTINGRANG/DSC

Glochem,

1100

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

814

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

Perkin Elmer,

5798

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?

5579

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

Cipla, Caplin Point,

4 6913

What is difference b/t uv detector and rid

5 5726


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Un-Answered Questions { Analytical Chemistry }

why we use a particular hplc column for a particular compound give reasons?please

1449


i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me

1373


in dissolution why pool sample needed? in which type of drug pool sample need?

1777


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

928


What is the pilot-plant in pharma sector.

925






how to calculate corelation coefficient in G.C Calibration? what is the calculation part?

911


why 6 tablets use for dissolution

1807


How to determine water content of bis tetrazole amine mono ammonium salt

1855


what is DIPE limit in residual solvent?

447


what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?

1019


What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)

5127


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.

1037


how to calibrate hplc & gc

3056


What is diffrence between extractable volume and deliverable volume? Answer pls

628


HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.

930