Accurate radiocarbon (14C) analysis depends on a successful carbon separation relevant to the studied object. The process of 14C dating involves the following steps: characterization and sample choice, sample treatment, measurements, and evaluation of the results. Here, we provide an overview of conventional approaches to macromolecular samples and address specific issues such as detecting and removing contamination with roots, dolomite, and conservation products. We discuss the application of elemental analysis (%N, %C) in the preparation of bones and the infrared analysis in monitoring the contamination of samples. Our observations provide the basis for the discussions of the existing results and for planning the future sampling.

中文翻译：

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精确放射性碳分析的样品选择、表征和处理选择——来自 ETH 实验室的见解

准确的放射性碳（14C) 分析取决于与研究对象相关的成功碳分离。的过程14C测年涉及以下步骤：表征和样品选择、样品处理、测量和结果评估。在这里，我们概述了大分子样品的传统方法，并解决了具体问题，例如检测和去除根、白云石和保护产品的污染。我们讨论了元素分析（％N，％C）在骨骼制备中的应用以及红外分析在监测样品污染中的应用。我们的观察结果为讨论现有结果和规划未来采样提供了基础。