0483002.DR

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Thermal ionization mass spectrometry (TIMS) has been widely used in geochemical analysis, providing precise ages of rock samples. Among the most recognized methods out of TIMS series, 0483002.DR(Double Focusing Resonance Detector) is one of the distinguished variants. This article is to discuss the application and working principle of 0483002.DR.

Applications

The 0483002.DR is mainly used for the direct measurements of 40Ar/39Ar ages for rock samples based on k-Ar measurements. It enables the precise and simple Dating of Quaternary geological events. It is among the most versatile and most accurate analytical instruments in the field of geochronology. The 0483002.DR is also applicable for the trace element analysis, isotopic measurements such as 18O/16O, d18O and dD (deuterium), and major and trace element measurements in geochemical research.

Working Principle

The 0483002.DR technology is based on thermal ionization mass spectrometry (TIMS), which involves the ionization of atoms in a sample by heating it to several thousand degrees. The heated sample produces charged particles, or ions, that form over a restricted range of masses or charge states as a result of selective ionization. These particles are separated according to their masses and directed onto a detector based on an electrostatic double focusing lens. This creates a continuous recording of the sample\'s mass spectrum, which can then be used to identify the sample\'s elemental composition.

The 0483002.DR is equipped with an electrostatic double focusing lens system which works by aligning the positive and negative ions by their charge-to-mass ratio, producing a continuous spectrum of mass. The double focusing lens system then enhances the resolution and increases the mass range over which the sample can be analysed. The double focusing lens is composed of two electromagnets, which interact to produce a strong magnetic field. When the electric field generated by the lens system is switched on, the positive and negative ions are deflected towards different directions. The ratio of the electrical fields created by the double focusing lenses determines the mass-to-charge ratio of the ions that will be deflected, resulting in a continuous mass spectrum of the sample. The data framed in the device can be used to analyse the sample\'s composition, further inferring the age of the rock sample.

Conclusion

In conclusion, 0483002.DR is a high-end TIMS system based on thermal ionization mass spectrometry. It is applicable for precise Dating of Quaternary geological events, trace element analysis, and isotopic measurements in geochemistry research. The working mechanism of 0483002.DR is to align the positive and negative ions by their charge-to-mass ratio, producing a continuous recording of the sample’s mass spectrum. All these features allow researcher to strengthen the accuracy of geochronology.

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