Attempts to understand potential deficiencies in chemical procedures for AMS

Silke Merchel,Sabrina Beutner,Thomas Opel,Georg Rugel,Andreas Scharf, Collin Tiessen,Stephan Weiß,Sebastian Wetterich

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms（2019）

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摘要

•Too short aging of hydroxides can be reason for low chemical yield of oxides.•2-times rinsing of hydroxides recommended for Be(OH)2 and Al(OH)3.•Rinsing with H2O (pH5) instead of pH8-9 recommended for Al(OH)3.•Rinsing of Fe(OH)3 with coprecipitated U6+ and Er3+ yield to 2.6–3.5% losses only.•High potential for ion exchange as pre-enrichment tool for Cl for large ice samples.

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关键词

Accelerator mass spectrometry,10Be,26Al,36Cl,60Fe,Cosmogenic nuclides

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