Articles

Study of transport processes in Li-ion electrolytes by Multi-nuclear diffusion NMR

With the growing market for electric and hybrid cars, a major focus of scientists today lies on the development of more efficient rechargeable batteries. In these devices, lithium salts are used as electrolytes dissolved in room-temperature ionic liquids (RTILs). A good understanding of the transport properties in the electrolytes is essential for the optimization of …

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New Spinsolve benchtop NMR Reaction Monitoring software module – RMX

We are pleased to annouce the new Spinsolve Reaction Monitoring software module – RMX – which provides for fully automated on-line NMR data acquisition and analysis for NMR reaction monitoring experiments. This new software is intuitive to use and enables powerful and flexible control of NMR spectra acquisition and analysis in real time. Key features …

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How to Evaluate a Benchtop NMR Instrument’s Technical Performance Part 4: 13C Sensitivity

After 1H, 13C is easily the next most important nuclide in the NMR periodic table; 13C measurements can provide a wealth of valuable structural info. Unfortunately, with a receptivity that is around 5,500 smaller than that of 1H, 13C is a much less sensitive nuclide. This lower sensitivity demands the maximum performance from the NMR …

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How to Evaluate a Benchtop NMR Instrument’s Technical Performance Part 3: 1H sensitivity

In my recent posts on evaluating benchtop NMR system performance, I discussed the fundamental role the static (B0) magnetic field homogeneity plays in defining the lineshape and with it the resolution performance of the instrument. However, the quality of the magnetic field affects much more than just the instrument’s lineshape and resolution: since broadening of …

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Benchtop NMR characterisation of diethyl phthalate containing land leeches repellent

In Vietnam, for the observation of animals in the jungle of the national park of Cat Tien (and in other parts of the country and in Asia), the rangers give the tourists leech socks and a repellent cream for land leeches to put on the socks. Land leeches are terrestrial blood-sucking worm-like parasites. Reading the …

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