Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

perchloric acid&glacal acetic acid both are acids but reaction is complete in volumetric titrations.how?

1 7231

what is the cleaning validation?

BioPlus,

1 6740

acetic acid is weak acid & perchloric acid is strong acid.but how perchloric acid is soluble in acetic acid

AVT, Hetero,

3 7258




What is polymorphism?which type of compounds exhibits polymorphism?

Torrent Pharma,

2 6178

what is the basic principle of conductivity meter

Hetero,

4 22073

Column selection in HPLC method development?

1 8681

How to prepare ppm solution of Nacl form its salt?

5 49077

what is mean by assay?

6 14484




why we are doing seal wash and needle wash?

2 9952

which functional group we can detect in IR?

2 7756

what is mean by UOD?

2 6470

what is mean by content uniformity?

5 5847

today i am doing calibration of HPLC. when i inject the blank it was going on -ve.(bleow then zero) why?

3 6775

what are the sources in ELSD,PDA, RI and UV Detectors?

1 5721

in karl fischer reagent which solvent is used for dissolving iodine sulphur dioxide and imidazole

Strides,

4 6871


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Un-Answered Questions { Analytical Chemistry }

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

1301


what is the structure of DOWEX-50

3489


Did anybody have method for acetyl cysteine effervescnce tablet

818


In the isomers,enantiomers give the only physical properties present such that no chemical properties present.

879


Which std. used for standrdisation of ZnSO4?

953






what parameters we will consider while developing a HPLC method and how we confirm our HPLC method is valid?

2114


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

863


pharma industries oriented

749


Identify problem faced when mass spectroscopy is used with HPLC system ?

611


How to determine water content of bis tetrazole amine mono ammonium salt

1793


what is the disso medium for tropsiun chloride

807


EXPLAIN THE CALCULATION PART OF AN KF TITRATOR CALIBRATION WITH SUITABLE EXAMPLE

1234


all types of questions asked at the cipla interview

3253


A ha tc is actual defination of retention time?

143


how much mass should be there in volumetric flask while in preparation of sample for assay? 

1063