Analytical Chemistry Interview Questions
Questions Answers Views Company eMail

wen v have polr solvent then which type of column use in hplc

2 4836

What is Threshold in hplc?


2 12683

Why we use Caffeine in hplc calibration

Laurus, Emcure,

2 9610

what is the meaning of stress study?

Reddy Labs,

2 1968

what is the difference between potentiometric assay and hplc assay


2 9591

why we are using buffer solutionas as a mobile phase in hplc.

2 7648

importance of internal standard and in what conditions it is used?

1 2152

how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,


how to select short coloum and long coloumn for new molecule

Rampex Labs,


what is poarimeter, why it is used in pharma,and explain briefly about polarimeter?


3 7275

Why KBR is used in IR for preparation of pellete, why it shows zero dipole moment


7 6971

what is optical active and non active give examples?


1 2686

what is custom fields in waters system?

Aurobindo, Akorn India,

1 5529

my name is santhosh i cmpleted in 2009 then i went to uk in 2010 to pg diploma business management. after i came back to india.. recently again apply to uk for pharmaceutical analysis. they refused my visa you failed to explain y u r change subject. so plz ineed answer for y change the cource

1 1365

why kbr is used for pellet preparation in ir spectroscopy, give the reasons? why kbr shows zero dipole moment?

6 10113

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Un-Answered Questions { Analytical Chemistry }

How to do regeneration of Metacarb Pb plus column?


why we are using hexane in calibration of number of drop per mL


Why to use propyl paraben in HPLC gradient calibration


what is the principle involved in turbidometry and nephelometry ?


Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?


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


Tell me something about Vitamin A test method by HPLC


pharma industries oriented


all types of questions asked at the cipla interview


How to start the dissolution development for unknown tab?


what is the importence and role of LCMS and LCMS/MS and their applications? which type of compounds are analysis by lcms?


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


how can delete the impurity in 1-(2:6 dichloro phenyl)-2-indolenone.and desolving the impurity in which solvent but does not desolve product in solvent.


What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.


For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?