scintillation counting

См. также в других словарях:

• scintillation counting — Technique for measuring quantity of a radioactive isotope present in a sample. In biology, liquid scintillation counting is mainly used for b emitters such as 14C, 35S and 32P and particularly for the low energy b emission of 3H. Gamma emissions… …   Dictionary of molecular biology

• scintillation counting technique — a method of determining the amount of radioactivity by use of a scintillation counter (q.v.) …   Medical dictionary

• Liquid scintillation counting — is a standard laboratory method in the life sciences for measuring radiation from beta emitting nuclides. Scintillating materials are also used in differently constructed counters in many other fields. Samples are dissolved or suspended in a… …   Wikipedia

• liquid scintillation counting — determination of the concentration of radioisotopes in a body or sample by means of a scintillation counter (q.v.) that uses as a detector an organic liquid capable of emitting pulses of light when struck by radiation …   Medical dictionary

• Scintillation counter — A scintillation counter measures ionizing radiation. The sensor, called a scintillator, consists of a transparent crystal, usually phosphor, plastic (usually containing anthracene), or organic liquid (see liquid scintillation counting) that… …   Wikipedia

• scintillation vial — noun The laboratory apparatus in which a sample to be analyzed by scintillation counting is held in a scintillation counter …   Wiktionary

• Counting efficiency — The counting efficiency is the ratio between the number of particles or photons counted with a radiation counter and the number of particles or photons of the same type and energy emitted by the radiation source (IUPAC Compendium of Chemical… …   Wikipedia

• scintillation counter — a device for detecting and measuring radioactivity, having a crystal scintillator, a photoelectric cell sensitive to the light from scintillations, and an amplifier. Also called scintillometer /sin tl om i teuhr/. [1945 50] * * * ▪ instrument… …   Universalium

• scintillation counter — /sɪntəˈleɪʃən kaʊntə/ (say sintuh layshuhn kowntuh) noun a device for detecting and measuring ionising radiation by counting the number of flashes it causes in a scintillator …  

• Whole body counting — In Health Physics Whole body counting, refers to the measurement of radioactivity within the human body. The technique is only applicable to radioactive material that emit gamma rays, although in certain circumstances, beta emitters can be… …   Wikipedia

• Scintillator — Scintillation crystal surrounded by various scintillation detector assemblies …   Wikipedia