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 5808

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]


sop of a uv visible spectrophotometer double beam elico model

Sun Pharma,


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


4 7574

How will you select mobile phase in HPLC Method Development

3 12961

how to regulate noise in hplc ?

2 6281

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

2 5833

why base line not start from zoro in GC Chromatograme.


1 5612

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

5 6199

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

7 14276

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

1 4959

how do u optimise hplc method

1 5258

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

ACME, Vimta Labs,

1 5477

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

Dr Reddys,

5 88332

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

Cadila, IIT,

8 18804

Post New Analytical Chemistry Questions

Un-Answered Questions { Analytical Chemistry }

what type of questions asked on analytical balance and also give answers................all pharma companies?


Why Ethanol is Used for Standardization of GC Head space?


Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...


How to estimate potassium?


What is the purpose of octyl silane columns?


all types of questions asked at the cipla interview


Difference between hlaf and rlaf


Why potassium dichromate is used in calibration of uv?


what is the purge flow & how to calculate


What is intact assay method development.....?


How can we calculate offset value pH measurment


what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?


How to start the dissolution development for unknown tab?


can i use hplc detector to uplc and why?


In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?