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Strontium iodide is a water-soluble and deliquescent salt of strontium and iodine used in medicine as a potassium iodide substitute [2, 3]. In its purest form, SrI2 crystals are colorless, transparent, hexagonal in structure, and have a bitter saline taste. They are highly soluble in a moderately diluted solution of ethanol at room temperature and sparingly soluble in 0.6 part of water at 15degC.

SrI2 is an ionic compound with a specific gravity of 4.40 g/cm3. The density of the hexahydrate is 4.55 g/cm3, and the anhydrous version weighs in at about 3.5 g/cm3 [2, 3, 4]. It also happens to be one of the most luminous of all hydrated strontium compounds when illuminated by an UV light, although not without some trouble.

Most notable is that SrI2 is a very good candidate for a quantum well detector for gamma rays in the visible region, which makes it an ideal choice for scintillators. It is well suited for such applications because of its high optical outputs and ability to detect gamma rays over a broad energy range.

The best way to determine if SrI2 is the right material for your next scintillator application is to perform an extensive literature search to find out which products have the best price/quality ratios, a rigorous validation process and a solid business plan. This will help you to achieve your goals and stay competitive.