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. Author manuscript; available in PMC: 2019 Feb 1.
Published in final edited form as: Anal Bioanal Chem. 2017 Dec 9;410(4):1265–1278. doi: 10.1007/s00216-017-0766-z

Table 3.

Mass fraction of arsenic species and Vitamin K1 in SRM 3232 by method. The uncertainties are expanded uncertainties at approximately 95% confidence.

Analyte Method Average s n Reference Value
DMA LC-INAA 0.44 0.13 14 0.479 ± 0.077
LC-ICP-MS 0.517 0.029 8
As(328) LC-INAA 1.18 0.26 16 1.20 ± 0.14
LC-ICP-MS 1.216 0.021 8
As(482) LC-INAA 5.59 0.31 15 5.59 ± 0.51
As(392) LC-INAA 14.06 1.03 14 14.06 ± 0.72
AsV LC-ICP-MS 0.247 0.023 8 0.247 ± 0.019
Total Vitamin K1 LC-MS/MS 0.431 0.013 20 0.431 ± 0.081
cis-Vitamin K1 LC-MS/MS 0.0353 0.0012 20 0.0353 ± 0.0067
trans-Vitamin K1 LC-MS/MS 0.396 0.012 20 0.396 ± 0.075