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

Analytical Chemistry Interview Questions

Questions Answers Views Company eMail

what is lod and loq

3 11814

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 ?

Wockhardt,

1 3750

What is the b/W dead volume and dwell volume ?

2 14660

why r u using hplc grade solvents

4 13140

Why do we use sodium salicylate for Calibration TLC Cabinet U.V Lamps

Matrix, Spar Labs,

3 24923

How do you show that equal quanitities of two isomers provide the same response using a PDA

1 6402

what is GLP? Which industries it requried?

Aurobindo, AXIS Clinicals, GVK,

1 12630

How can we separate Urea & semicarbazide in single HPLC method ?

2 7405

What is the calibration procedure for Malvern MS2000 particle size analyzer and acceptance criteria?

Reddy Labs,

2 6234

why we can use only 4 and 7 and 9 buffers in pH calibration

Chola, Cipla,

1 5459

How to do regeneration of Metacarb Pb plus column?

1 2628

we calibrate HPLC once in 6 months while iam doing calibration i came to know that calibration was failed. then how can i justify that the samples analyzed on the system during this 6 months was wright? how can i forward in to the next step for those batches?

5 13001

What is the solvent/material used to balance spirit level in analytical balance?

Glenmark, MMC Health Care,

5 13963

why plane of polarized light rotated by opticaly active compunds?

Glenmark,

1 6437

why do we use around only 60 mg of K2cr2o7 in the UV calibration -control of absorbance test?

Reddy Labs,

3 14588

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Un-Answered Questions { Analytical Chemistry }

what is the extinction coefficient for Indomethacin or at 319nm wave length.

4147

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?

8940

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

9320

what is the disso medium for tropsiun chloride

2333

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

2797

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