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| PREPARING YOUR SAMPLE | |||
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Samples for NMR analysis should be completely dissolved in a deuterated solvent. There shouldn't be any particles, concentration gradients, or other inhomogeneities. The secret to getting high-quality samples is in careful sample preparation. First of all, you need to think about the characteristics of your sample and consider how these might affect the experiment you plan to run. |
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Do you know anything about your sample's structure and properties? If you don't think you do, ask for help. |
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| How much sample do you have available for analysis? | |||
| What does your compound dissolve in? | |||
| What impurities are likely to be present, either as side products or as unreacted starting material? | |||
| What do these impurities dissolve in? | |||
| Is your sample stable at room temperature? Is your samples stable if exposed to heat, light, air, or moisture? | |||
| Do you know your sample's boiling, melting, or decomposition point? | |||
