The Belfast Ramped Pyroxidation/Combustion (RPO/RC) facility was established at the 14CHRONO Centre (Queen’s University Belfast). The facility was created to provide targeted analysis of bulk material for refined chronological analysis and carbon source attribution for a range of sample types. Here we report initial RPO results, principally on background material, but also including secondary standards that are routinely analyzed at 14CHRONO. A description of our setup, methodology, and background (blank) correction method for the system are provided. The backgrounds (anthracite, spar calcite, Pargas marble) reported by the system are in excess of 35,000 14C years BP with a mean age of 39,345 14C years BP (1σ = 36,497–43,800 years BP, N=44) with F14C = 0.0075 ± 0.0032. Initial results for standards are also in good agreement with consensus values: TIRI-B pine radiocarbon age = 4482 ± 47 years BP (N=13, consensus = 4508 years BP); IAEA-C6 ANU Sucrose F14C= 1.5036 ± 0.0034 (N=10, consensus F14C = 1.503). These initial tests have allowed problematic issues to be identified and improvements made for future analyses.

中文翻译：

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贝尔法斯特 14CHRONO 的新斜坡热氧化/燃烧设施：设置说明和初步结果

贝尔法斯特斜坡热氧化/燃烧 (RPO/RC) 设施在14CHRONO 中心（贝尔法斯特女王大学）。该设施旨在提供散装材料的针对性分析，以便对一系列样品类型进行精确的时间顺序分析和碳源归属。在这里，我们报告了最初的 RPO 结果，主要是背景材料，但也包括常规分析的二级标准。14计时码表。提供了对系统设置、方法和背景（空白）校正方法的描述。系统报告的背景（无烟煤、晶石方解石、帕尔加斯大理石）超过 35,00014C 岁 BP，平均年龄 39,34514C 年 BP (1σ = 36,497–43,800 年 BP, N=44) 与 F14C = 0.0075 ± 0.0032。标准的初步结果也与共识值非常一致：TIRI-B 松树放射性碳年龄 = 4482 ± 47 年 BP（N=13，共识 = 4508 年 BP）；IAEA-C6 ANU 蔗糖 F14C= 1.5036 ± 0.0034（N=10，共识 F14C = 1.503)。这些初步测试允许识别有问题的问题并为未来的分析进行改进。