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Borrero-Echeverry, D.; Morrison, B. C. A.
Experiments in fluids, 07/2016, Letnik: 57, Številka: 7Journal Article
We show that aqueous solutions of ammonium thiocyanate ( NH 4 SCN ) can be used to match the index of refraction of several transparent materials commonly used in experiments, while maintaining low viscosity and density compared to other common refractive index-matching liquids. We present empirical models for estimating the index of refraction, density, and kinematic viscosity of these solutions as a function of temperature and concentration. Finally, we summarize the chemical compatibility of ammonium thiocyanate with materials commonly used in apparatus.
