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 6656

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

1037

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

CMET,

1178




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

Piramal Healthcare,

5 8551

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

Reddy Labs,

3 6452

why we use kbr as constant in the FTIR ?

4 6236

how much wave length of Soduim vapour lamp used in polarimeter

Reddy Labs, Torrent Pharma,

2 7389

what is the principle involved in turbidometry and nephelometry ?

Graviti Pharmaceuticals,

2287




What is basic difference between method validation,process validation

Atul,

1 6038

why sucrose used in polarimeter calibration?

Reddy Labs, Sugar Factory,

2 8305

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 15682

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

Reddy Labs, Torrent Pharma,

5 9305

define polar and non polar solvent

2 8919

Why we use 100 RPM in friability test

IPCA,

1 3789

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

Alembic,

1923


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Un-Answered Questions { Analytical Chemistry }

Did anybody have method for acetyl cysteine effervescnce tablet

848


when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.

735


cefoperozone and sulbactam inj. hplc test method

1227


what is definition of validation? which components are followed give detail?

842


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

5125






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

673


What is the pilot-plant in pharma sector.

924


How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?

268


Basic principle of ESI?

788


what is partion and column chromatography

999


function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?

1162


what is the origin to prepare standard operating procedure

914


why should we perform dissolution PVT calibration only by UV spectrometer, not by HPLC ?

311


why 6 tablets use for dissolution

1807


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

6765