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Strontium iodide (SrI2) is an inorganic compound composed of strontium and iodide ions. It is a white, crystalline powder that can be easily crushed into fine pieces. It has a wide variety of uses in scientific research and technology. It is also commonly used as a scintillator material, usually doped with europium, due to its optical clarity, relatively high density, and high effective atomic number and scintillation light yield.
SrI2 can be prepared by reacting strontium carbonate or oxide with hydrochloric acid. It is then dried and heated at high temperatures to form a pure crystalline powder. Its crystalline structure and purity can be determined using various methods, such as X-ray diffraction, scanning electron microscopy, and energy dispersive X-ray analysis.
The solubility of SrI2 in aqueous ternary systems is studied by the adsorption method. A 100 mL volume of SrI2 solution spiked with 0.001 mg/L of europium and dissolved in deionized water at pH 6 was passed through a column at a flow rate of 0.5 mL/min. The column was then washed with 10 mL of deionized water and then eluted with 5 mL of 1.2 mol/L HCl to obtain the europium.
The adsorption properties of SrI2 were also investigated using molecular dynamics simulations. The results indicate that the metastable 3 configuration of SrI2 preferentially migrates parallel to the c axis. The results of these MD simulations also agree well with the adsorption experiments. The results suggest that a more precise determination of sri2 solubility can be obtained by performing adsorption experiments on a larger scale.