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?

Hetero,

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

Parabolic,

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,

1050




how to select short coloum and long coloumn for new molecule

Rampex Labs,

922

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

GVK,

3 7275

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

GVK,

7 6971

what is optical active and non active give examples?

GVK,

1 2686

what is custom fields in waters system?

Aurobindo, Akorn India,

1 5529

my name is santhosh i cmpleted b.pharmacy 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


Post New Analytical Chemistry Questions






Un-Answered Questions { Analytical Chemistry }

How to do regeneration of Metacarb Pb plus column?

1181


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

157


Why to use propyl paraben in HPLC gradient calibration

151


what is the principle involved in turbidometry and nephelometry ?

2162


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

477






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

1732


Tell me something about Vitamin A test method by HPLC

1257


pharma industries oriented

749


all types of questions asked at the cipla interview

3253


How to start the dissolution development for unknown tab?

222


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

2224


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

611


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.

1102


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

1213


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?

2219