The variability in hydrocarbon ions (CnH−) of polymers detected by ToF-SIMS: principal component analysis on carbon density and cross-linking degree
Negative hydrocarbon ions, CnH− (n = 1–10), are ubiquitous in time-of-flight secondary ion mass spectrometry, but their utility may have been overlooked. Recently, however, it has been demonstrated that the ion intensity ratio between C6H− and C4H−, denoted as ρ, can differentiate the chemical struc...
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2025-02-01
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| Series: | Frontiers in Analytical Science |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/frans.2025.1512520/full |
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