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Categories >> Sciences >> Chemistry >> Analytical Chemistry
 
 


 

 
 Organic Chemistry interview questions  Organic Chemistry Interview Questions (222)
 Inorganic Chemistry interview questions  Inorganic Chemistry Interview Questions (96)
 Analytical Chemistry interview questions  Analytical Chemistry Interview Questions (850)
 Physical Chemistry interview questions  Physical Chemistry Interview Questions (57)
 General Chemistry interview questions  General Chemistry Interview Questions (283)
 Chemistry AllOther interview questions  Chemistry AllOther Interview Questions (71)
Question
what is the difference betwen the analytical column & 
peparative column?
 Question Submitted By :: Analytical-Chemistry
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
Column dimension (diameter) is different . In preparative
column we can give high flow rate (depends upon the
diameter)

Preparative column :9.4mm*250 5micron

Analytical column :4.6*250mm, 5micron
 
Is This Answer Correct ?    14 Yes 2 No
Kizar Ahamed
 
Answer
# 2
analytical column is used for assay and purity study. while preparative column is used for synthesis when product recovery is concerned. 
Is This Answer Correct ?    3 Yes 0 No
Harry
 
 
 
Answer
# 3
PREPARATIVE COLUMN IS ALSO USED IN THE CASE OF ISOLATION OF
IMPURITIES.
 
Is This Answer Correct ?    2 Yes 0 No
Sujata
 
Answer
# 4
analytical column is used for testing (in small scale) where as preparative column is used when we are synthesizing in large scale. 
Is This Answer Correct ?    2 Yes 3 No
Ankita
 

 
 
 
Other Analytical Chemistry Interview Questions
 
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How can the GC or HPLC method is selected to determine the impurity profile in drug product? Ajanta 1
why we use polystyrene film for ftir calibration?   3
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How to determine water content of thioanisole? which interfere by KF titration?   1
What is the procedure for investigation of an OOS (Out of specification) results? Reddy-Labs 4
when we have polar type of sample and solvnt hen which type of stationry phase we have to use   1
Is it compulsory to prepare KBr disc with sample in identification test by FTIR?   2
What is the difference between spectro meter and spectro photo meter? Ranbaxy 1
I want analyze my compound at 325 nm so which standard shall i use to calibrate my HPLC system? How i can assure my hplc detector is suitable or not? AMRI 1
What is primary & Secondary Standard ? Give Example   5
When i inject amines and acid on HPLC then which peak will elut first? Sun-Pharma 3
what is the difference betwen the analytical column & peparative column?   4
 
For more Analytical Chemistry Interview Questions Click Here 
 
 
 
 
 


   
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