Deuterosulfuric acid, 96% min in D{2}O, 99.5% (Isotopic), Thermo Scientific Chemicals

 

Deuterated sulfuric acid when treated with benzene, the deuterium is used in order to observe the reaction course by NMR spectroscopy, deuterated sulfuric acid results in an electrophilic aromatic substitution of hydrogen by deuterium.

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