Erratum to: Preparation and certification of Hijiki reference material, NMIJ CRM 7405-a, from the edible marine algae hijiki (Hizikia fusiforme)

Analytical and Bioanalytical Chemistry, May 2012

Erratum to: Anal Bional Chem DOI 10.1007/s00216-011-5584-0 Following online publication the authors regrettably found some mistakes and typographical errors in the article. The corrections are given below. Page 1714, section “Apparatus”, the end of the first paragraph should read: “And, He 1 mL/min + H2 3 mL/min was used for the measurement of Fe and He 3 mL/min + H2 1 mL/min was used for other elements”. Page 1714, section “Apparatus”, the third paragraph should read: “The typical operating parameters for the ICP-OES were as follows” Page 1716, section “Homogeneity study”, the end of the first paragraph should read: “The sbb was theoretically calculated from Mswithin and Msamong.” Page 1716, section “Homogeneity study”, equation 1 should read: $$ {{u}_{{bb}}} = \sqrt {{\frac{{M{{s}_{{within}}}}}{n}}} \:\sqrt[4]{{\frac{2}{{{{\nu }_{{M{{S}_{{within}}}}}}}}}} $$ Page 1717, section “Results of homogeneity study”, the end of the second paragraph should read: “Therefore, ubb was estimated as the uncer ...

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Erratum to: Preparation and certification of Hijiki reference material, NMIJ CRM 7405-a, from the edible marine algae hijiki (Hizikia fusiforme)

Anal Bioanal Chem Erratum to: Preparation and certification of Hijiki reference material, NMIJ CRM 7405-a, from the edible marine algae hijiki (Hizikia fusiforme) Tomohiro Narukawa Kazumi Inagaki Yanbei Zhu Takayoshi Kuroiwa Izumi Narushima Koichi Chiba Akiharu Hioki Following online publication the authors regrettably found some mistakes and typographical errors in the article. The corrections are given below. Page 1714, section Apparatus, the end of the first paragraph should read: And, He 1 mL/min + H2 3 mL/min was used for the measurement of Fe and He 3 mL/min + H2 1 mL/min was used for other elements. Page 1714, section Apparatus, the third paragraph should read: The typical operating parameters for the ICP-OES were as follows Page 1716, section Homogeneity study, the end of the first paragraph should read: The sbb was theoretically calculated from Mswithin and Msamong. Page 1716, section Homogeneity study, equation 1 should read: rffiffiffiffiffiffiffiffiffiffiffiffiffiffiffi sffiffiffiffiffiffiffiffiffiffiffiffiffiffi Mswithin 4 2 ubb n nMSwithin Page 1717, section Results of homogeneity study, the end of the second paragraph should read: Therefore, ubb was estimated as the uncertainty for showing homogeneity for Cd and Pb, whereas for the other elements and for As(V), sbb was used. Page 1719, right-hand column, line 6 should read: Hence, ultrasonic extraction with water for 1 h and microwave-assisted extraction with water for 30 min were employed as the extraction techniques for As(V) in this work. Page 1721, the end of the first paragraph should read: Therefore, As(III) had not been certified. Page 1721, section Uncertainties in the certified values, third paragraph should read: The uncertainty of the analytical results (uanal(x)) was calculated as a weighted mean of uncertainties related to the measurement results listed in Table 2, and given by Eq. (2). Page 1721, left-hand column, equation 2 should read: uanalx wi2uxi2 P wi - qffiPffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffi ICP-OES Element Method Mean (g/kg) Table 2 (continued) Element Method Mean (mg/gk/gk)g) Combined standard uncertainty (mg/gk/gk)g) ICP-OES GFAAS ICP-MS ICP-HRMS Combined standard uncertainty (g/kg) 16.24 0.17 16.15 0.09 16.29 0.19 47.46 0.43 47.54 0.58 47.51 0.51 6.790 0.064 6.768 0.061 6.811 0.044 15.15 0.21 15.30 0.12 15.12 0.14 15.24 0.14 1.472 0.020 1.494 0.015 1.455 0.014 1.453 0.018 1.027 0.026 1.012 0.019 1.004 0.016 Mean (mg/kg) Combined standard uncertainty (mg/kg) 150.0 1.7 145.0 1.4 145.7 2.3 35.49 0.64 36.39 0.27 35.70 0.71 35.32 0.33 14.66 0.08 14.58 0.16 0.785 0.010 0.800 0.007 0.778 0.011 1.09 0.01 1.08 0.02 1.09 0.05 1.05 0.01 3.41 0.03 3.33 0.05 3.42 0.03 1.51 0.02 1.56 0.02 1.51 0.04 1.57 0.01 311.9 1.5 314.5 5.8 Table 3 Uncertainty budget for the certified values of NMIJ CRM 7405-a Relative standard uncertainty (%) Combined standard uncertainty uc (Relative, %) uc (g/kg) Table 4 Certified values of NMIJ CRM 7405-a Certified value Expanded uncertainty (k 0 2)


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Tomohiro Narukawa, Kazumi Inagaki, Yanbei Zhu, Takayoshi Kuroiwa, Izumi Narushima, Koichi Chiba, Akiharu Hioki. Erratum to: Preparation and certification of Hijiki reference material, NMIJ CRM 7405-a, from the edible marine algae hijiki (Hizikia fusiforme), Analytical and Bioanalytical Chemistry, 2012, 2791-2793, DOI: 10.1007/s00216-012-5994-7