ALLInterview.com :: Home Page            
 Advertise your Business Here     
Browse  |   Placement Papers  |   Company  |   Code Snippets  |   Certifications  |   Visa Questions
Post Question  |   Post Answer  |   My Panel  |   Search  |   Articles  |   Topics  |   ERRORS new
   Refer this Site  Refer This Site to Your Friends  Site Map  Bookmark this Site  Set it as your HomePage  Contact Us     Login  |  Sign Up                      
Google
   
 
Categories >> Sciences >> Chemistry >> Chemistry AllOther
 
 


 

 
 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
why do you use water & Disodium tartrate in karl fischer?
 Question Submitted By :: Chemistry-AllOther
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
Sodium Tartrate Dihydrate is not absorb any moisture and
and more accurate we are going to select for DST when
water content sample <1.0 %only and DST when dissolved in
methanol not degrade
 
Is This Answer Correct ?    32 Yes 9 No
N.senthilkumar
 
Answer
# 2
Sodium Tartrate Dihydrate as Primary Standard for Karl
Fischer Reagent
 
Is This Answer Correct ?    29 Yes 15 No
Pranaya
 
 
 
Answer
# 3
DST never absorb water mal.at room temp.& hence its factor never changes while calculating Moisture content 
Is This Answer Correct ?    14 Yes 1 No
Shankar
 
Answer
# 4
1.this if the primary standard.it has known water
molecules .it cannotabsorb any moisture.so water molecules
are constant.
 
Is This Answer Correct ?    12 Yes 4 No
Kalyani
 
Answer
# 5
because it is primary std. it will not absorbs water
content from the sample at room temp.and it will give more
accurate results for the determination of the KF factor.
 
Is This Answer Correct ?    3 Yes 1 No
Hema Latha
 
Answer
# 6
water molecules are constant. 
Is This Answer Correct ?    5 Yes 5 No
Narayudu
 

 
 
 
Other Chemistry AllOther Interview Questions
 
  Question Asked @ Answers
 
in coupling reactions,why we are using cocatalistand what the use of tetrakis and dikis   1
father of modern chemistry   8
What is the chemical formula for Protein   4
WHAT IS ENTIRE PRINCIPLE INVOLVED IN KARL FISCHER TITRATION BARC 6
why we can not do direct nitration of aniline   1
why do you use water & Disodium tartrate in karl fischer?   6
Pls mail model question paper for Post of ' JR.LAB CHEMIST'in MAHAGENCO. MahaGenco 1
The end product of anaerobic respiration in human is   1
what is reaction of sodium borohydride and HCl gas..?   2
Why only Water & Sodium Tatrate Is Use For THe Calibration Of Karl Fischer Titrator? Amneal-Pharmaceuticals 13
what is the principle involved in determination of moisture content?   2
nitration of 2-mercaptobenzimidazole   1
 
For more Chemistry AllOther Interview Questions Click Here 
 
 
 
 
 


   
Copyright Policy  |  Terms of Service  |  Articles  |  Site Map  |  RSS Site Map  |  Contact Us
   
Copyright 2013  ALLInterview.com.  All Rights Reserved.

ALLInterview.com   ::  KalAajKal.com