Development of a certified reference material for the determination of perfluorooctanoic acid

Hanari, Nobuyasu; Yamazaki, Taichi; Itoh, Nobuyasu; Yarita, Takashi; Fujiki, Naomi; Iwasawa, Ryoko; Aoyagi, Yoshie; Numata, Masahiko

doi:10.1007/s00769-014-1077-0

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Titrimetry1

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2019

2022

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Cited by 2 publications

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“…In the case of titrimetry, a compound-independent measurement can be realized by direct measurements of certain residues such as -NH 2 and -COOH in the target molecules. NMIJ applies acidometric titration to characterize some clinical test items [26,27]; and items for further study indicated in the Waterworks Act, perfluorooctanoic acid [28] and acetaldehyde [29].…”

Section: Titrimetrymentioning

confidence: 99%

Conventional and new traceability schemes of organic standards for safe water supply in Japan

et al. 2019

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Metrological traceability to the International System of Units (SI) is required to ensure reliability of analytical results. For this purpose, SI-traceable standard solutions of respective analytes are essential for common analytical methods such as chromatography. However, it is not so easy to fulfill demands due to the existence of a vast number of targets, especially in the case of organic analysis. Because high-purity organic materials which are raw materials of standard solutions must be characterized by compound-independent methods, the mass balance approach (subtraction method) and the primary methods of measurement (e.g. the freezing point depression method and titrimetry) are used. Recently, quantitative NMR (qNMR) has been popularized.

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