Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

One Raw material failed assay test is there any chance for failing purity of that material ?


7 11781

What are the differences between GC and HPLC?

1 14330

Why do we need GC instead of HPLC? or Why do we need HPLC instead of GC?

4 11566

What is linearity in HPLC and how will you test?

1 18819

what is the difference between polarimeter lamp and ir lamp


What is the difference of time between two consecutive injections in HPLC?

Nectar Lifesciences,

2 9721

what is difference between IR lamp and polarimeter lamp

Raks Pharma,

2 8601

Why dissolution test is not performed in all of the products

Biocon, SDD,


why we need to do karl ficher fector ?


2 11226

Why we are use 0.005M Sulphuric acid, in control of absorbance performance test UV Spectrophotometer calibration

Cipla, Reddy Labs,

2 14998

How much sample concentration should i inject against diluted standard in related substances for drug product in hplc analysis


1 3660

how to prepare 25 ppm acetone. explian with formula

4 16116

why sucrose not used in polarimeter calibration?


2 9615

What is the diffeence between assay and uniformity of content

2 8956

why ur using toulene in hexane in u.v calibration?, Cipla,

3 28342

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Un-Answered Questions { Analytical Chemistry }

what is mean by peak intigrity?


what is biorelivent dissolution media?


what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?


How to start the dissolution development for unknown tab?


Is it nessesary all multimedia dissolution require descriminatory?


Why Ethanol is Used for Standardization of GC Head space?


Which is the highly polar and highly non polar column in HPLC?


why we should take dst factor for below 1%moisture samples


What is the difference between purge septum flow and column flow in gas chromatography?


USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...


Why six unit used for precision?


How do we fix the sample concentaryion in hplc method development?


How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.


in which situation require to take incident in validation?


In which situation we require to analytical method validation of excipient?