In the last few conferences we have had some customers asking for lithium NMR and its potential use in lithium quantification. Can we do it? It was an interesting question, so we decided to quickly explore this area. Figure 2 shows a plot of absolute integral versus concentration for two solutions, let’s call one of them LiX and the other one LiY. You can see that both lines pretty much overlap and show linear tendencies. This is because in solution both compounds are dissociated and lithium is present as Li+ solvated by molecules of water. This not only means that we can quantify the total amount of lithium, but that we can do it when more than one lithium species (LiCl, Li2SO4, LiOH, etc.) are present in solution!
We’re excited to announce the incorporation of 7Li to the NMReady-60PRO family. Feel free to contact us if you have any questions about our instruments or if you want to see whether our instrument will be suitable for your chemistry!
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