Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...


why deutiriated chloroform used in NMR for sample
prepration. what reaction takes place.give reasons



why deutiriated chloroform used in NMR for sample prepration. what reaction takes place.give reason..

Answer / vani

1)deutirIUM will not give nmr signal.
2)Here proton exchange reaction takes place b/w the
chloroform(CHCl3)and the analyte protons.If deutirated
chloroform ie CDCl3 is used, it is easy to locate the
position of proton in the analyte which is exchanged with
the D in the
deutirated chloroform.

Is This Answer Correct ?    11 Yes 2 No

Post New Answer

More Analytical Chemistry Interview Questions

Why dissolution test performed on six jar?

1 Answers   Mylan,


If we do accuracy at same concentration at which linearity planned,what is the need to do linearity separately?

0 Answers  


how can standardized of HCl of 0.1 N

7 Answers  


effect of Ph during analytical run ?

1 Answers   Lambda Therapeutic Research,


What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?

0 Answers  


how to calibrate hplc & gc

0 Answers   Cipla,


How to standardization of 1N H2SO4?

1 Answers   GNFC, Macleods,


Any molecule is filing for ANDA purpose, what are the dissolution requirements / specifications needed ?

1 Answers   IPCA,


(0.41)d what is d?

1 Answers   Gland Pharma,


In the isomers,enantiomers give the only physical properties present such that no chemical properties present.

0 Answers   Laurus,


why use benzophenone & caffene acetone in hplc calibration

1 Answers  


why we use vanillin in melting range calibration

3 Answers  


Categories
  • Organic Chemistry Interview Questions Organic Chemistry (342)
  • Inorganic Chemistry Interview Questions Inorganic Chemistry (123)
  • Analytical Chemistry Interview Questions Analytical Chemistry (1387)
  • Physical Chemistry Interview Questions Physical Chemistry (62)
  • General Chemistry Interview Questions General Chemistry (478)
  • Chemistry AllOther Interview Questions Chemistry AllOther (190)