A new traceability scheme for the development of international system-traceable persistent organic pollutant reference materials by quantitative nuclear magnetic resonance

被引：81

作者：

Saito, Takeshi ^{[1
]}

Ihara, Toshihide ^{[1
]}

Koike, Masayoshi ^{[1
]}

Kinugasa, Shinichi ^{[1
]}

Fujimine, Yoshinori ^{[2
]}

Nose, Kazutoshi ^{[2
]}

Hirai, Tetsuya ^{[2
]}

机构：

[1] AIST, Natl Metrol Inst Japan, Tsukuba, Ibaraki, Japan

[2] Otuka Pharmaceut Co Ltd, Tokushima, Japan

来源：

ACCREDITATION AND QUALITY ASSURANCE | 2009年 / 14卷 / 02期

关键词：

Quantitative NMR; Purity determination; Uncertainty; Traceability; POPs; IUPAC TECHNICAL REPORT; ATOMIC WEIGHTS; NMR; ELEMENTS; PURITY; QNMR; SPECTROSCOPY; GLYPHOSATE; H-1;

D O I：

10.1007/s00769-008-0461-z

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Quantitative nuclear magnetic resonance (qNMR) was used for the purity determination of neat compounds of persistent organic pollutants (POPs). qNMR is a unique quantitative method that is not only traceable to the International System of Units (SI), but it also does not require a standard of its own. The purities of the POP compounds determined in this work were traceable to a single certified reference material (CRM), which is extremely attractive for reference material producers. The purities observed by qNMR were equivalent to those observed by gas chromatography with flame ionization detection (GC/FID) or a differential scanning calorimetry (DSC) combined with a thermogravimetric analyzer (TGA). The uncertainties obtained by the qNMR method were comparable to being slightly larger than those observed by DSC.

引用

页码：79 / 86

页数：8

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