why deutiriated chloroform used in NMR for sample
prepration. what reaction takes place.give reasons
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 |
How do you show that equal quanitities of two isomers provide the same response using a PDA
how to prepare working standard in our laboratory aganist reference standard ?
4 Answers Merit Biolabs, Unichem,
why we are using polystyrene film for calibration of I.R spectroscopy?
12 Answers Abbott, Andhra Organics, Intas, Kemwel, Reddy Labs, RRR, Veritas, Zydus Cadila,
Why do we need GC instead of HPLC? or Why do we need HPLC instead of GC?
which light is used in FT-IR spectroscopy
Shall i use a same hplc column for two different products.?
How will you select mobile phase in HPLC Method Development
Why dissolution apparatus having 8 jars ?
how can I make the copper get white bye any salt or acit?
why we are taking 85 ml of concentrated HCl to prepare 1N Solution
What are the concentration limit for class-1 residual solvents in ICH ?
Why KBR is used in IR for preparation of pellete, why it shows zero dipole moment