Sucrose certified reference material - UME CRM 1309 delta C-13(VPDB) value assignment by EA-IRMS


SIMSEK A., Goren A. C. , ISLEYEN A., TOPAL K.

JOURNAL OF CHEMICAL METROLOGY, cilt.10, ss.16-26, 2016 (ESCI İndekslerine Giren Dergi)

  • Cilt numarası: 10 Konu: 2
  • Basım Tarihi: 2016
  • Dergi Adı: JOURNAL OF CHEMICAL METROLOGY
  • Sayfa Sayısı: ss.16-26

Özet

A certified reference material (UME CRM 1309) of sucrose for carbon isotope ratio: delta C-13(VPDB) (parts per thousand) value was produced according to the requirements of the ISO Guide 34:2009. The certified value with uncertainty was determined as - 26.78 +/- 0.81 parts per thousand (at k=2) by Elemental Analyzer Isotope Ratio Mass Spectrometry (EA-IRMS) method. Production and the certification processes include material processing, homogeneity study, stability studies (short-term and long-term), characterization study, statistical data evaluation and assignment of the property value and uncertainty. The delta C-13(VPDB) certified value of sucrose was determined by an inter-laboratory comparison study among a network of seven competent laboratories.