Rubidium bromide (RbBr) is an inorganic compound with the chemical formula RbBr. It belongs to the alkali metal halides group. The CAS number of rubidium bromide is 7789 - 39 - 1. It appears as a white crystalline solid. The molar mass of RbBr is approximately 165.37 g/mol. Rubidium bromide has a high melting point, around 693 °C, and a density of about 3.35 g/cm³. It is highly soluble in water, and its solubility increases with the rise of temperature. The aqueous solution of rubidium bromide is neutral, showing neither acidic nor basic properties.
1. **Scientific research**: Rubidium bromide is widely used in scientific research, especially in the field of spectroscopy. It can serve as a reference material for calibrating spectrometers. Scientists can use the characteristic absorption and emission spectra of rubidium bromide to determine the accuracy and performance of the instrument. Additionally, in atomic physics, rubidium bromide can be used in experiments related to atomic energy levels and transitions.
2. **Medical applications**: In some medical research, rubidium - based compounds like rubidium bromide are investigated for potential applications in imaging techniques. Rubidium ions can be used to mimic potassium ions in the body to a certain extent, which may be useful in studying the physiological functions of cells and tissues, such as blood flow in the heart muscle.
3. **Electrolyte in batteries**: Rubidium bromide can be used as an electrolyte component in some special types of batteries. Its ionic conductivity properties can contribute to the efficient transfer of charge within the battery, thereby improving the battery's performance.
1. **Handling in the laboratory**: When handling rubidium bromide in a laboratory setting, appropriate personal protective equipment (PPE) should be worn, including safety goggles, gloves, and a lab coat. It should be stored in a dry and cool place, away from moisture and reactive substances. When weighing rubidium bromide, use a precise balance in a fume hood to avoid inhalation of dust particles. To prepare a solution, slowly add the appropriate amount of rubidium bromide to distilled water under gentle stirring until it is completely dissolved.
2. **Industrial applications**: In industrial production, the dosage and process of using rubidium bromide need to be strictly controlled according to specific production requirements. For example, in battery manufacturing, the ratio of rubidium bromide to other components in the electrolyte should be accurately determined through experiments to ensure the best battery performance. Quality control measures should be implemented throughout the production process to ensure the stability and consistency of the product.
1. **Spectroscopy calibration in a research institute**: A well - known research institute was conducting high - precision spectroscopy experiments. They used rubidium bromide as a calibration standard for their newly developed spectrometer. By accurately measuring the absorption lines of rubidium bromide, they were able to calibrate the wavelength accuracy of the spectrometer to within ±0.01 nm. This high - precision calibration enabled them to conduct more accurate research on the energy levels of certain atoms, leading to significant breakthroughs in the field of atomic physics.
2. **Medical imaging research in a hospital**: A hospital's medical research team was exploring new methods for cardiac imaging. They used rubidium bromide in pre - clinical studies. By injecting a small amount of a rubidium bromide - based solution into experimental animals, they were able to observe the blood flow in the heart muscle more clearly using imaging technology. This research provided valuable insights for the diagnosis and treatment of heart diseases, and laid the foundation for further clinical trials.
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