Analysis Note

17 amino acids in 0.1M hydrochloric acid2.5 mM each: L-Alanine-¹³C₃,¹⁵N, L-Arginine-¹³C₆, L-Aspartic acid-¹³C₄, L-Glutamic acid-¹³C₅, Glycine-¹³C₂,¹⁵N, L-Histidine-¹³C₆, L-Isoleucine-¹³C₆,¹⁵N, L-Leucine-¹³C₆,¹⁵N, L-Lysine-¹³C₆, L-Methionine-¹³C₅,¹⁵N, L-Phenyl-¹³C₆-alanine, L-Proline-¹³C₅, L-Serine-¹³C₃,¹⁵N, L-Threonine-¹³C₄, L-Tyrosine-(phenyl-¹³C₆), L-Valine-¹³C₅and 1.25mM L-Cystine-¹³C₆,¹⁵N₂

General description

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to the SI through a primary reference material from an NMI, e.g. NIST, NRC or NMIJ.Certified content incl. uncertainty and expiry date are given on the certificate.Download your certificate at: http://www.sigma-aldrich.com

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