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Burning the samples to convert them into graphite, however, also introduces other elements into the sample like nitrogen 14.

They, however, do not have the sensitivity to distinguish atomic isobars (atoms of different elements that have the same atomic weight, such as in the case of carbon 14 and nitrogen 14—the most common isotope of nitrogen).These two radiocarbon dating methods use modern standards such as oxalic acid and other reference materials.Although both radiocarbon dating methods produce high-quality results, they are fundamentally different in principle.In mass analysis, a magnetic field is applied to these moving charged particles, which causes the particles to deflect from the path they are traveling.If the charged particles have the same velocity but different masses, as in the case of the carbon isotopes, the heavier particles are deflected least.

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