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I'll discuss the benefits of this process and provide links for further analysis and the migration process. The migration is comparably easy and straightforward.
It is compositionally related directly to the original oxalic acid radiocarbon standard SRM 4990B (referred to as OXI or HOx I), and is denoted in terms of f Reference standards, available to all laboratories practicing these test methods, must be used properly in order that traceability to the primary carbon isotope standards are established, and that stated uncertainties are valid.