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 the moisture content of Disodium hydrogen tartrate. how it can be calculted. as 16.5%

1 9277

In Karl Fischer titration,What is the situation if the material tested is only soluble in water,and not soluble in the common solvents used such as methanol ?? [e.g. Iron III Hydroxide polymaltose]

1 3611

sop of a uv visible spectrophotometer double beam elico model

Sun Pharma,

5936

why does the result variation in hplc and gc with same sample ?

Matrix,

4 12516

How will you select mobile phase in HPLC Method Development

4 18313

how to regulate noise in hplc ?

2 9860

why results are variation in same samples analysis in gc and hplc ?

2 9378

why base line not start from zoro in GC Chromatograme.

Merck,

1 8686

What is cleaning validation of rinse and swabe and its limit with caculation formula.

5 12320

what is the difference between c-8 and c-18 column

7 24308

why deutiriated chloroform used in NMR for sample prepration. what reaction takes place.give reasons

1 7691

how do u optimise hplc method

1 7808

How to calculate %w/w and %v/v of a component(or solvent)by NMR

ACME, Vimta Labs,

1 9226

How to prepare 10% HCl from 36.5% HCl solution.

Dr Reddys,

5 123477

How to prepare 50 ppm ammonia solution form 25% ammonia solution?

Cadila, IIT,

8 30845

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Un-Answered Questions { Analytical Chemistry }

what is procedure of actual procedure for registration of drug?

2012

What is aggregate and fragments in SEC?

2119

what is third integration

1989

How to set analytical specification for combination products?

826

In Assy by potentio metry titration method how select MET U ,DET U, SET U,

2179

how will you do the prep for unstable componds?

2033

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

2189

What are modes of quantification in related substances

2170

why require the ph, buffer during hplc mobile phase?

871

in which situation require to take incident in validation?

1738

how can give the expiry period and restadardisation of volumetric solution

2601

Why only 1.2 million lux hours require in photostability study?

1046

What is the Formula for coreletion coefficient in plhplc calibration

1841

What is importance of pH in the Heavy metal test and How it effect on the test results?

2289

in gas chromatography what is the difference between gas flow rate and average linear velocity ?

2610

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