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High-Resolution Mass Spectrometry (HRMS)

High-Resolution Mass Spectrometry (HRMS)

The resolution of a mass spectrometer depends on the efficiency of separating ions with different ion masses. The mass of an atom is approximated to the sum of the masses of protons and neutrons inside, considering the masses of protons and neutrons as equal. However, the masses of the proton (1.6726 × 10−24 g) and neutron (1.6749 × 10−24 g) are not truly equal. There is a minor error in the expression of atomic masses relative to the simplest atom of hydrogen. For...

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Related Experiment Video

Updated: Sep 11, 2025

Sediment Core Extrusion Method at Millimeter Resolution Using a Calibrated, Threaded-rod

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Published on: August 17, 2016

High- and ultrahigh-spatial-resolution geochronology

Qiu-Li Li^1,2, Hao Wang^1,2

¹State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, China.

National Science Review

|August 14, 2025

Summary

No abstract available in PubMed .

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