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

Analytical Chemistry Interview Questions

Questions Answers Views Company eMail

solvents used in NMR

Laurus,

2 7307

what does 'n' stands for in spectroscopy?give the formula.

Laurus,

2438

define beer-lambertslaw.

Laurus,

5 14053

difference between precision & accuracy.

Laurus,

1 11118

formula for %RSD.

Laurus,

4 15172

which chromatographic technique is used for softening hard water?

Laurus,

1 6886

Nitrogen test is used for which chromatography?

Laurus,

1 8015

what are the primary standards of redox titrations?Name any two.

Laurus,

2 9241

In the isomers,enantiomers give the only physical properties present such that no chemical properties present.

Laurus,

2224

mode of absorption in alimentary canal?

Sun Pharma,

2393

why we calibrate ph meter and balance daily.....but hplc and uv requires quaterly?

Apotex, UPL,

5 21487

why we are use metthanol variously in kfr?why don't use other solutions?

4 12854

when we use capillary and packed columns in gc

Rakshit Drugs,

4 10651

what is the difference between IR and FTIR instrument analysis

2 13035

how can give the expiry period and restadardisation of volumetric solution

Meenaxy Pharma, SRF,

2598

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Un-Answered Questions { Analytical Chemistry }

what is the disso medium for tropsiun chloride

2262

why digestion require in icpms?

776

how much mass should be there in volumetric flask while in preparation of sample for assay?

2582

Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?

2968

How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.

2313

What is delay volume?

1397

why cone formation during dissolution?

790

how pda detector works over uv?

742

What is the main difference between ODS1 and ODS2 Hplc column.

5219

please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development

1636

why we are using hexane in calibration of number of drop per mL

1741

1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer

1859

Why only 1.2 million lux hours require in photostability study?

1038

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?

8864

Identify problem faced when mass spectroscopy is used with HPLC system ?

1872

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