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Categories >> Sciences >> Chemistry >> Analytical Chemistry
 
 


 

 
 Organic Chemistry interview questions  Organic Chemistry Interview Questions (221)
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 Analytical Chemistry interview questions  Analytical Chemistry Interview Questions (833)
 Physical Chemistry interview questions  Physical Chemistry Interview Questions (57)
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 Chemistry AllOther interview questions  Chemistry AllOther Interview Questions (65)
Question
What is difference between Related Substance & Impurity 
Profile?
 Question Submitted By :: Chitrang_gurjar
I also faced this Question!!     Rank Answer Posted By  
 
  Re: What is difference between Related Substance & Impurity Profile?
Answer
# 1
related substances mean process related compounds and degradation compounds of drug substances or products.

Impurity profile is a description of the identified and unidentified impurities present in a typical batch of API or products.(Terms such as byproduct, transformation products, degradation products, interaction products, esidual solvents,related products and toxic impurities)
 
Is This Answer Correct ?    39 Yes 4 No
Durga
 

 
 
 
Other Analytical Chemistry Interview Questions
 
  Question Asked @ Answers
 
why 2Theta value is consider in the XRPD spectra and how to consider the 2 Theta value   2
wt is rsd in and explain Reddy-Labs 3
Generally for Normal Phase HPLC,stationary phase is Polar.In place of polar if we take non-polar means what happened & why?   7
from compund pka value how to select buffer and column? Emcure 1
priciple of gc & hplc? (properly describe) Cipla 2
why we use prednisone tablet in chemical callibration of dissolution apparatus? Cipla 1
Defination of ZEEMAN EFFECT in NMR ?   2
What is the difference between spectro meter and spectro photo meter? Ranbaxy 1
HOW TO CALCULATE THE MASS OF UNKNOWN IMPURITY IN LC-MS? AND WHAT IS THE ROLE OF FRAGMENTATION IN LC-MS ?   1
Why KBr pellet is used in IR?   8
if the flow rate is increases then any changes in retention time in hplc   1
what is the difference between the ordinary loss on drying technique and vacuum oven technique? Divis-Laboratories 1
 
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