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sodium iodide

sodium iodide

4.7
A white salt used in medicine and lab tests
  • noun
  • /ˈsoʊdiəm ˈaɪəˌdaɪd/
  • Specialized
translation icon : yoduro de sodio
  • A sodium iodide scintillation detector is essential for accurately measuring radioactive decay.
  • sodium iodide crystals

Examples

  • The silicon detectors are surrounded by sodium iodide crystals, which record gamma rays from the annihilation of the positron emitted during beta decay.

    Academic text (2002)
  • At the same time, the energy deposited by the pair in the large sodium iodide crystal at the bottom is measured.

    Academic text (1990)
  • A sodium iodide gamma-ray spectrometer contains photo-multiplier tubes that measure the light that reflects the presence and energy of photons.

    Academic text (2000)
  • The lower detector array consists of 14 cylindrical crystals of sodium iodide mounted on a baseplate with a diameter of 1.5 meters (5 feet).

    Academic text (1990)
  • Each detector has a main scintillation crystal made of sodium iodide, surrounded by other scintillators that absorb gamma radiation arriving from the sides and back of the detector.

    Academic text (1990)
  • The direction of the incoming gamma ray is determined by examining the initial directions of the electron-positron pairs, and its energy is ascertained from the measurement in the sodium iodide crystal and the characteristics of the pair tracks in the spark chamber assembly.

    Academic text (1990)
  • The laboratory used a sodium iodide crystal to detect gamma rays emitted during the experiment.

  • Medical imaging often employs sodium iodide for its effectiveness in detecting thyroid problems.

Synonyms

iodide
vssodium iodide
  • Specialized
5 6.5

A chemical that forms when iodine joins another element, often as a salt

is one specific salt used medically and analytically rather than any iodine compound
potassium iodide
vssodium iodide
  • Specialized
1 4.7

A white salt used in medicine, photography, and to add iodine to table salt

is mainly used in medicine and chemical analysis instead of many industrial uses

Surface Forms

sodium iodide singular

Morphology

sodium + iodide

This is a compositional chemical name formed from the constituents 'sodium' and 'iodide'; a learner who knows those words can infer it denotes the sodium salt of iodide (NaI) used in medicine/analysis. Chemical compound names follow regular, cross-linguistic naming patterns, so the overall meaning is directly derivable from the parts.

Etymology

Sodium iodide is a name that shows what it is: sodium (a common metal) and iodide (the iodine part) together make a white 'salt'. Imagine tiny white crystals where sodium and iodine are joined — that picture explains why the name refers to the white salt used in medicine and tests.