References

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• 2004Trends in quality in the analytical laboratory. II. Analytical method validation and quality assurance946 cited
• 2006The International Harmonized Protocol for the proficiency testing of analytical chemistry laboratories (IUPAC Technical Report)657 cited
• 2001Primary methods for the measurement of amount of substance270 cited
• 2010Isotope dilution mass spectrometry — A primary method of measurement and its role for RM certification111 cited
• 1997Protocol for isotope dilution using inductively coupled plasma-mass spectrometry (ICP-MS) for the determination of inorganic elements85 cited
• 2010IUPAC/CITAC Guide: Selection and use of proficiency testing schemes for a limited number of participants—chemical analytical laboratories (IUPAC Technical Report)57 cited
• 2015Sulfur-based absolute quantification of proteins using isotope dilution inductively coupled plasma mass spectrometry26 cited
• 2010Proficiency tests for contaminants in food and herbal medicine in the Asia Pacific region23 cited
• 2012Proficiency test in Japan for the elements in tea-leaf powder18 cited
• 2017Laboratory capacity building through the use of metrologically traceable reference values in proficiency testing programmes15 cited
• 2011Interlaboratory comparison for the determination of pesticide residues in Chinese cabbage13 cited
• 2000Revalidation and Long-Term Stability of National Institute of Standards and Technology Standard Reference Materials 1566, 1567, 1568, and 1570