Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?

Elder, Vamsi Labs, Cipla,

1 7097

How to determine the EDTA content by potentiometry titration in Ceftriaxine sodium

1180

Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?

CMET,

1321




why are not used methonol in kf titrator to find out water content in ketones?

Piramal Healthcare,

5 9392

Why are EDTA used to etimation of Ca,Mg etc, in Water analysis?

Reddy Labs,

3 6798

why we use kbr as constant in the FTIR ?

4 6657

how much wave length of Soduim vapour lamp used in polarimeter

Reddy Labs, Torrent Pharma,

2 7735

what is the principle involved in turbidometry and nephelometry ?

Graviti Pharmaceuticals,

2669




What is basic difference between method validation,process validation

Atul,

1 6765

why sucrose used in polarimeter calibration?

Reddy Labs, Sugar Factory,

2 8760

why we are using 6 dosage units in dissolution, and why we are using 6 tablets in disintegation test.is there any scientific reason beyond 6?

IPCA, ABC, Alembic,

1 17224

IN DISSOLUTION WE ARE USING A LETTER 'Q' WHAT IS MENT BY Q

Reddy Labs, Torrent Pharma,

5 9781

define polar and non polar solvent

2 9637

Why we use 100 RPM in friability test

IPCA,

1 4489

In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )

Alembic,

2094


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Un-Answered Questions { Analytical Chemistry }

why holium oxide prepared in 10% HCLO4 SOLUTION

93


what is the principle involved in turbidometry and nephelometry ?

2669


How will u perform degradation study in detectors other thann PDA in HPLC Methodology

1320


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...

659


Can we interpret accuracy from linearity in method validation?

836






HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.

1087


How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?

1931


is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth

671


are there in uv lamb that is chractrestic for wavelenghth 205 nm ?????

795


using gradient pressure in gas chromatography are not ?using gradient pressure why

2197


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

1996


What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)

5654


about method developement in hplc

463


which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc

1027


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

256