1. Internal users of NMR facility are requested to submit their samples in good quality NMR tubes(Wilmad, Norell, Sigma-Aldrich etc)
2. 0.5 ml(500 μl) of clear solution is required to record good spectra.
3. Do not use dichromate solution for cleaning NMR tubes.
4. The caps should be cleaned separately
5. Do not keep the NMR tubes in Oven for drying.
6. After cleaning, rinse it with Acetone/CCl₄ , keep it inverted for 2-3hrs and dry it in Air overnight.
7. Label your samples clearly
8. Please do not submit samples in broken NMR tubes. If the tube break inside the probe, it may damage the probe insert.
9. Maximum number of samples per requisition is restricted to four.