Taking 31P and 19F Spectra on Varian Unity Inova 500 MHz NMR

In summary, the conversation discusses the use of a reference sample for 31P and 19F NMR spectra on a Varian Unity Inova 500 MHz instrument. The customer is having trouble interpreting the spectra without a reference and is looking for suggestions. The expert suggests using a list of 19F reference standards or phosphorous reference standards from a supplier like Aldrich. The customer expresses gratitude for the helpful answer and mentions the possibility of contacting Aldrich for further assistance.
  • #1
hyildirim
4
0
Hi,
We are using Varian Unity Inova 500 MHz NMR instrument.When we are taking 31P and 19F spectra we do not use any reference sample as like TMS etc. Our customer says us that they are not interpreting these spectras without reference. Which reference can we use for these spectras and how can we take these spectras with reference on the NMR?
Could you please help us...

Many thanks..
Regards...
 
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  • #2
Last edited by a moderator:
  • #3
thank you for your answer, it was so helpful:))
 

What is NMR?

NMR, or nuclear magnetic resonance, is a scientific technique used to study the structure, composition, and dynamics of molecules. It involves placing a sample in a strong magnetic field and observing the behavior of its atomic nuclei.

Why is 500 MHz used in NMR?

The frequency of an NMR machine, typically measured in MHz, determines the strength of the magnetic field used to study the sample. A higher frequency, such as 500 MHz, allows for better resolution and sensitivity, resulting in more detailed and accurate spectra.

What is the purpose of taking 31P and 19F spectra?

31P and 19F are two elements with unique magnetic properties that make them useful for studying certain types of molecules. 31P NMR is commonly used for analyzing phosphorus-containing compounds, while 19F NMR is useful for studying fluorine-containing molecules.

How do you prepare a sample for NMR analysis?

Before taking an NMR spectrum, the sample must be dissolved in a suitable solvent and placed in a specialized NMR tube. The sample should also be free of any air bubbles or impurities that could affect the results of the analysis.

What are the main steps for taking 31P and 19F spectra on Varian Unity Inova 500 MHz NMR?

The main steps for taking 31P and 19F spectra on a Varian Unity Inova 500 MHz NMR are: 1) preparing the sample, 2) setting up the instrument and adjusting parameters, 3) acquiring the spectra, and 4) processing and analyzing the data using appropriate software. It is important to follow the manufacturer's instructions and any specific protocols for the type of sample being analyzed.

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