Iodine has several isotopes, the most notable of which are iodine-127, iodine-129, and iodine-131. 1. **Iodine-127 (¹²⁷I)**: This is the most stable and abundant isotope of iodine, making up about 100% of naturally occurring iodine. It has a half-life that is effectively infinite for practical purposes and is non-radioactive.
Iodine-123 (I-123) is a radioactive isotope of iodine that is commonly used in medical imaging and diagnostic procedures, particularly in the field of nuclear medicine. It has a half-life of approximately 13 hours, which makes it suitable for use in imaging studies because it decays quickly enough to reduce the patient's exposure to radiation while still allowing sufficient time for imaging procedures.
Iodine-129 (\(^{129}\text{I}\)) is a radioactive isotope of iodine. It has a half-life of approximately 15.7 million years, making it a long-lived isotope.
Iodine-131 (I-131) is a radioisotope of iodine, which is a chemical element with the symbol I and atomic number 53. I-131 has a half-life of about 8 days, which means that it takes approximately 8 days for half of a given quantity of the isotope to decay. This decay produces beta and gamma radiation.
An "iodine pit" is not a commonly used term in scientific literature or general discussions, so it may refer to a few different concepts depending on the context. However, the term could potentially be associated with various topics, such as: 1. **Iodine in Geology**: In geological contexts, "iodine pit" might refer to a location where iodine is extracted or found, often associated with certain types of mineral deposits.
Iofetamine (chemical name: **iodine-123 iofetamine**) is a radiopharmaceutical used primarily in the field of nuclear medicine for imaging of the brain. It is a specific tracer for assessing cerebral perfusion, which refers to the flow of blood to the brain tissue.
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