Rubidium iodide is a salt of rubidium and iodine , with the chemical formula RbI. It is a white solid with a melting point of 642 °C.
5-495: Rubidium iodide can be synthesized in several ways. One is to use a mixed reaction of rubidium hydroxide and hydriodic acid / hydrogen iodide : Another method is to neutralize rubidium carbonate with hydriodic acid: Another method is to use rubidium metal to react directly with iodine, but because rubidium metal is very expensive, it is the least commonly used method. In addition, rubidium reacts violently with halogens and burns: Rubidium iodide forms colorless crystals, and has
10-465: A polymethylated phosphate . Rubidium hydroxide Rubidium hydroxide is the inorganic compound with the formula RbOH. It consists of rubidium cations and an equal number of hydroxide anions. It is a colorless solid that is commercially available as aqueous solutions from a few suppliers. Like other strong bases , rubidium hydroxide is highly caustic . Rubidium hydroxide is formed when rubidium metal reacts with water. Rubidium hydroxide
15-413: A red-violet flame color. The refractive index of the crystals is n D = 1.6474. It reacts with halogens to form polyhalides: RbI 3 , RbICl 2 , RbICl 4 . It is easily soluble in water , liquid ammonia , sulfuric acid , RbI·6NH 3 and RbI·3SO 2 . Rubidium iodide is soluble only in the following solvents: The standard enthalpy of formation of rubidium iodide is Δ f H 298 = −328.7 kJ mol,
20-413: Is Polijodurato. However, there are studies that show that rubidium iodide has allergy-triggering and inflammation-causing side effects. Homeopathic products containing rubidium iodide are available under the name 'Rubidium iodatum'. In the past, towards the end of the 19th century, it was used to treat syphilis . It found isolated use in organic synthesis, for example for the targeted saponification of
25-514: The standard free enthalpy of formation ΔG 298 = −325.7 kJ mol, and the standard molar entropy S 298 = 118.11 J K·mol. Rubidium iodide has a sodium chloride structure; its lattice constant is a = 7.326 Å, and the Rb–I bond length is 3.66 Å. Rubidium iodide is used as a component of eye drops, in which it is sold in Romania under the name Rubjovit (containing 8 mg/ml RbI). Another product
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