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二氧化碳的同位素测量：测量科学与标准的作用。

Isotopic measurements of carbon dioxide: the role of measurement science and standards.

作者信息

Meija Juris

机构信息

National Research Council Canada, Ottawa, Canada.

出版信息

Anal Bioanal Chem. 2024 Apr;416(9):2013-2021. doi: 10.1007/s00216-023-05000-2. Epub 2023 Nov 17.

DOI:10.1007/s00216-023-05000-2
PMID:37978068
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11481645/
Abstract

Isotopic measurements provide valuable information about the origin of greenhouse gases - as carbon dioxide levels increase, there is a corresponding shift towards lighter isotopic composition similar to that of fossil fuels. Detecting such isotopic shifts, however, requires extremely precise measurements, which must also be globally reproducible in order to make reliable policy decisions. This feature article outlines the collective search for the ideal standard for carbon isotope measurements since the 1950s. This tragicomedy of errors, if you wish, has strengthened the reliability of today's measurements and has taken us from fictional oceans, to toilet seat marbles, and complex mathematical conventions that separate data from reliable results.

摘要

同位素测量提供了有关温室气体来源的宝贵信息——随着二氧化碳水平的上升，会相应地出现向更轻同位素组成的转变，类似于化石燃料的同位素组成。然而，检测这种同位素变化需要极其精确的测量，而且这些测量还必须在全球范围内具有可重复性，以便做出可靠的政策决策。这篇专题文章概述了自20世纪50年代以来对碳同位素测量理想标准的共同探索。如果你愿意的话，这种充满错误的悲喜剧增强了如今测量的可靠性，还把我们从虚构的海洋带到了马桶座圈弹珠，以及将数据与可靠结果区分开来的复杂数学惯例。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/14d4/11481645/51cd987563a3/216_2023_5000_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/14d4/11481645/29a139729085/216_2023_5000_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/14d4/11481645/aa9c57296fa8/216_2023_5000_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/14d4/11481645/cca490a55aee/216_2023_5000_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/14d4/11481645/3d5c8c3a7dc7/216_2023_5000_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/14d4/11481645/bb7495e7476b/216_2023_5000_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/14d4/11481645/51cd987563a3/216_2023_5000_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/14d4/11481645/29a139729085/216_2023_5000_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/14d4/11481645/aa9c57296fa8/216_2023_5000_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/14d4/11481645/cca490a55aee/216_2023_5000_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/14d4/11481645/3d5c8c3a7dc7/216_2023_5000_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/14d4/11481645/bb7495e7476b/216_2023_5000_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/14d4/11481645/51cd987563a3/216_2023_5000_Fig6_HTML.jpg

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本文引用的文献

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Nat Phys. 2021;17. doi: 10.1038/s41567-021-01226-y.
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Characterization of vanillin carbon isotope delta reference materials.香草醛碳同位素 δ 基准物质的特性描述。
Anal Bioanal Chem. 2022 Nov;414(27):7877-7883. doi: 10.1007/s00216-022-04322-x. Epub 2022 Oct 6.
3
Radiocarbon dating: emissions could undermine precision.放射性碳测年法：排放可能会降低精度。
Nature. 2022 Jul;607(7919):449. doi: 10.1038/d41586-022-01954-y.
4
Absolute Carbon Stable Isotope Ratio in the Vienna Peedee Belemnite Isotope Reference Determined by H NMR Spectroscopy.采用核磁共振波谱法测定维也纳磷灰石标准贝叶石中绝对碳稳定同位素比值。
Anal Chem. 2022 Apr 5;94(13):5240-5247. doi: 10.1021/acs.analchem.1c04565. Epub 2022 Mar 21.
5
Discontinuity in the Realization of the Vienna Peedee Belemnite Carbon Isotope Ratio Scale.维也纳佩德贝伦石碳同位素比例标度的实现不连续。
Anal Chem. 2021 Aug 10;93(31):10740-10743. doi: 10.1021/acs.analchem.1c02458. Epub 2021 Jul 27.
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Characterisation of new reference materials IAEA-610, IAEA-611 and IAEA-612 aimed at the VPDB δ C scale realisation with small uncertainty.旨在实现具有较小不确定度的 VPDB δ C 标度的新参比物质 IAEA-610、IAEA-611 和 IAEA-612 的特性描述。
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