A Small-Angle Neutron Scattering Environment for In-Situ Observation of Chemical Processes.
作者： Dominic W. Hayward , Leonardo Chiappisi , Sylvain Prévost , Ralf Schweins , Michael Gradzielski
DOI: 10.1038/S41598-018-24718-Z
关键词:
摘要: A new sample environment for the observation of ongoing chemical reactions is introduced small-angle neutron scattering (SANS) experiments which enables structural changes to be followed continuously across a wide Q-range in response environment. The approach demonstrated and validated by performing single multiple potentiometric titrations on an aqueous anionic surfactant solution (oligo-oxyethylene alkylether carboxylic acid D2O) with addition times varying from 1 s 2 h. It shown that continuous flow set-up offers considerable advantages over classical 'static' measurements regards throughput, compositional precision ability observe fast transitions. Finally, capabilities optimisation are discussed reference potential applications fields biology, colloidal systems complex soft matter.
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