在格利维采放射性碳和质谱实验室利用加速器质谱法和液体闪烁计数法测定液体燃料混合物中的放射性碳含量

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS

ACS Applied Bio Materials Pub Date : 2024-05-16 DOI:10.1017/rdc.2024.51

Jean Baptiste Baranyika, Natalia Piotrowska, A. Michczyński

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引用次数: 0

摘要

随着生物基材料使用量的增加，需要采用验证方法来调查此类材料（包括液体燃料）中生物碳的实际含量。使用 14C 测定液体样品中的生物碳需要对现有的样品制备方法进行调整。本研究采用加速器质谱法（AMS）和液体闪烁计数法（LSC）测定了纯生物基加氢处理植物油（HVO）和不含 14C 的石油柴油样品（ON/UF-BC）生产的六种不同液体燃料混合物中的 14C 含量。纯石油柴油的结果提供了背景值。结果表明 LSC 和 AMS 之间的一致性很好，混合样品的 14C 测量结果与 HVO 含量之间的线性相关性证实了这两种方法的可重复性。对其中一种混合燃料的 10 份等分样品进行了 AMS 结果重复性测试，结果被认为是可重复的。

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Determination of radiocarbon content in liquid fuel blends by accelerator mass spectrometry and liquid scintillation counting in the gliwice radiocarbon and mass spectrometry laboratory

The increase in biobased material usage requires the methods of verification to investigate the actual content of biocarbon in such materials, including liquid fuels. The determination of biocarbon in liquid samples using 14C required adaptation of existing sample preparation methods. In this study, both accelerator mass spectrometry (AMS) and liquid scintillation counting (LSC) methods were used to determine the content of 14C in six different liquid fuel blends produced from purely bio-based hydrotreated vegetable oil (HVO) and a 14C-free petrodiesel sample (ON/UF-BC). The results obtained for pure petrodiesel provide background values. The results indicate a good agreement between LSC and AMS, and a linear correlation between the 14C measurement results for blended samples and HVO content affirmed the reproducibility between the two methods. The repeatability of AMS results was tested on 10 aliquots of one of the blends, and the results were deemed reproducible.

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来源期刊

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464

期刊介绍： ACS Applied Bio Materials is an interdisciplinary journal publishing original research covering all aspects of biomaterials and biointerfaces including and beyond the traditional biosensing, biomedical and therapeutic applications. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important bio applications. The journal is specifically interested in work that addresses the relationship between structure and function and assesses the stability and degradation of materials under relevant environmental and biological conditions.