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The nuclear method for figuring out how much of each element is present in a variety of materials is called neutron activation analysis. NAA permits discrete sampling of elements since it ignores the sample’s chemical form and only considers its atomic nuclei. Since the process relies on neutron activation, a neutron source is necessary.
The sample is subjected to neutron bombardment, which produces radioactive isotopes of the sample’s constituent elements. Each element’s radioactive emissions and paths of radioactive decay have been thoroughly researched and analysed for a very long time.
With the use of this knowledge, it is able to analyse the spectra of the radioactive sample’s emissions and work out the relative concentrations of its constituent elements. This approach has the specific benefit of not destroying the sample. It has been employed in the examination of artistic creations and historical objects.
A radioactive sample’s activity can also be ascertained using NAA. Instrumental Neutron Activation Analysis (NAA) is the term used when NAA is performed directly on irradiated samples. Radiochemical Neutron Activation Analysis is a process where irradiated materials are treated to chemical separation to eliminate interfering species or to concentrate the radioisotope of interest.
Without any or little preparation, NAA can carry out non-destructive analyses on solids, liquids, suspensions, slurries, and gases. The method offers an accurate bulk analysis because of the penetrating nature of incoming neutrons and the resulting gamma rays.
Because various radioisotopes have unique half-lives, counting can be postponed to give interacting species time to degrade and stop interfering signals.
The Global Neutron activation analysis (NAA) analyzer market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
Eltra’s recently released Neutron activation analyzer, the ELEMENTRAC CS-i, evaluates the amount of carbon and sulphur in samples that are primarily inorganic by burning the samples in an induction furnace and then analysing the gaseous combustion byproducts, carbon dioxide and sulphur dioxide.
More than 2000 °C of heat provides thorough sample breakdown and, as a result, reliable and accurate elemental analysis over a broad concentration range. The ASTM E1019, DIN EN ISO 153, and all other commonly used standards for measuring carbon and sulphur are all met and exceeded by the ELEMENTRAC CS-i.
