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分离石英颗粒用于第四纪沉积物的光学刺激发光(OSL)测年,用于古环境研究
JoVE Journal
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JoVE Journal Environment
Isolation of Quartz Grains for Optically Stimulated Luminescence (OSL) Dating of Quaternary Sediments for Paleoenvironmental Research
DOI:

09:41 min

August 02, 2021

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Chapters

  • 00:04Introduction
  • 00:52Sediment Core Feature Evaluation and OSL (Optically Stimulated Luminescence) Sample Collection
  • 01:56Mono‐Mineralogic Quartz Extraction
  • 05:45Sediment Digestion Using Hydrofluoric Acid
  • 06:30Quartz Purity Assessment
  • 07:46Results: Quality Assessment of Isolated Quartz
  • 09:05Conclusion

Summary

Automatic Translation

该协议用于按大小分离石英颗粒,用于沉积物的发光测年。概述是通过依次浸泡在 H2O 2、HClHF 和 HCl 中再次分离石英颗粒来进行物理清洁和化学消化。石英纯度通过显微镜评估、拉曼光谱和红外消耗比进行量化。

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