A simplified method of preparing phosphoric acid for stable isotope analyses of carbonates

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Bibtex

@article{a1d3a978197c468d9cb33054ab31541c,
title = "A simplified method of preparing phosphoric acid for stable isotope analyses of carbonates",
abstract = "In order to produce CO2 for stable isotope analyses (delta(18)O and delta(13)C), carbonate samples are commonly digested in phosphoric acid. The acid recipe here presented is based on phase shifting crystalline orthophosphoric acid of pro-analysis quality to a liquid state through heating, followed by pre-vacuum treatment during a start-up procedure before mass analyses for common acid bath preparation, or adding a small amount of phosphoric pentoxide for single drop equipments, respectively. This methodology results in a final acid concentration of 104{\%}.",
author = "J Burman and O Gustafsson and M Segl and Birger Schmitz",
year = "2005",
doi = "10.1002/rcm.2159",
language = "English",
volume = "19",
pages = "3086--3088",
journal = "Rapid Communications in Mass Spectrometry",
issn = "1097-0231",
publisher = "John Wiley & Sons",
number = "21",

}