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Categories >> Sciences >> Chemistry >> Analytical Chemistry
 
 


 

 
 Organic Chemistry interview questions  Organic Chemistry Interview Questions (227)
 Inorganic Chemistry interview questions  Inorganic Chemistry Interview Questions (96)
 Analytical Chemistry interview questions  Analytical Chemistry Interview Questions (860)
 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 ?    15 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 ?    5 Yes 0 No
Harry
 
 
 
Answer
# 3
PREPARATIVE COLUMN IS ALSO USED IN THE CASE OF ISOLATION OF
IMPURITIES.
 
Is This Answer Correct ?    3 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 ?    3 Yes 3 No
Ankita
 

 
 
 
Other Analytical Chemistry Interview Questions
 
  Question Asked @ Answers
 
Why we use holmium oxide,perchloric acid for uv/vis calibration Cipla 4
why water, methanol, ethanol ets solvents are used in UV SPECTRIPHOTOMETER for blank reading ?   7
In Force degradation Study Compound is not degrade in any condition , also in higher stress what can i do ? Alembic 4
what is the method of UV cabinet CALIBRTION   2
Why we inject a standard 6 times for Related substances by HPLC and 5 times for Assay? Gvk 1
difference between pH & pOH ?   4
How can the GC or HPLC method is selected to determine the impurity profile in drug product? Ajanta 1
why kbr is used for pellet preparation in ir spectroscopy, give the reasons? why kbr shows zero dipole moment?   3
differnc btw c18 and c-8 column Cipla 2
How to calibrate glassware against std calibrated glassware? Cadila 3
what is differance between density and specificgravaty Neuland 2
How to determine water content of thioanisole? which interfere by KF titration?   1
 
For more Analytical Chemistry Interview Questions Click Here 
 
 
 
 
 


   
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