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Categories >> Sciences >> Chemistry >> Analytical Chemistry
 
 


 

 
 Organic Chemistry interview questions  Organic Chemistry Interview Questions (227)
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 Analytical Chemistry interview questions  Analytical Chemistry Interview Questions (860)
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Question
What is difference between Related Substance & Impurity 
Profile?
 Question Submitted By :: Analytical-Chemistry
I also faced this Question!!     Answer Posted By  
 
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 ?    41 Yes 5 No
Durga
 

 
 
 
Other Analytical Chemistry Interview Questions
 
  Question Asked @ Answers
 
Plz explain the formula in uv calibration =Absorbance of the sample ( x ) x 10 x 1000/Weight of potassium dichromate taken in mg   1
what is the diffrence between absorbance and absorption in the beer,s lamber formula ?   1
I have 1 gram of Diphenylamine and want to make a 10,000 or 1000 ppm solution in methanol. How do I make this? Midas-Technologies 8
why we are using sodium,potassium phosphates for mobile phase preparation?   1
How do we fix the sample concentaryion in hplc method development. what is the basis?Thanks in advance Orchid 3
how to Calibrate FID IN GC   1
Which column is more polar, C8 or C18? Laurus 2
is ther any guidline is available for limt of peak fronting.and what is the limt of peak fronting.   2
Describe your experience with quality assurance and quality control analyses?   5
what is the peak purity concept? Vimta-Labs 4
why you are using benzoic acid for water content determination in TEA   1
WHAT IS THE USAGE OF REFRACTIVE INDEX IN PHARME FIELD   3
 
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