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Questions related from Alfred Ross
Dear NMR experts, I am looking for a reference with information on the dependence of the chemical shift of typical NMR solvents if varying amounts of acid (e.g. HCl, TFA, MSA...) are present in...
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Dear Scientists and Experts, is there an "simple" (e.g. calculating aromatic overall surface, charges,....) approach to ESTIMATE the anisotropy of the diamagnetic susceptibility of an organic...
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Der NMR colleagues, How can one discriminate NH2 from NH3+ reliably by use of solid-state NMR. The difference in 15N chemical shift due to protonation is often smaller compared to changes induced...
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Dear NMR colleagus, as a novice in solid-state NMR I dare to aks whether the three methyl groups of a tert-butyl moiety in a organic molecule may show distinct NMR signals in a 13C CP-MAS...
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I am looking for somebody who has experience in the use of 33S solid-state NMR for the determination of the protonation state of a sulphate counterion of a "salt" of a drug molecule in a...
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Definitely purely academic: I recently saw an article on NMR of 99Tc which is spin 9/2. For this nucleus, there exists an excited state which is called 99mTc. This state decays by gamma-emission...
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I am looking for a laboratory which has a 500 or 600 MHz Bruker NMR machine without digital filtering. I would like to send you one liquid sample in a NMR tube for a quick 1D NMR measurement which...
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