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  • The certification of the contents (mass fractions) of arsenobetaine in solution (CRM 626) and of total arsenic, arsenobetaine dimethylarsinic acid in tuna fish tissue (CRM 627)


This report describes the production and certification of a solution of arsenobetaine (CRM 626) in water at a concentration of (1031 +/- 6) mg/kg. The report also describes the preparation of a tuna fish reference material containing arsenic species (CRM 627). The homogeneity and the stability studies as well as the analytical work performed for the certification of the contents of total arsenic, arsenobetaine and dimethylarsinic acid (DMA) are described.

Additional information

Authors: MAIER E A, CEC Bruxelles (BE);DEMESMAY C ET AL, Servie central d'analyse CNRS, Vernaison (FR);LAGARDE F ET AL, Ecole Européenne de Chimie, Polymères et Matériaux, Laboratoire de Chimie analytique et minérale, Strasbourg (FR);MUNTAU H, JRC Ispra (IT)
Bibliographic Reference: EUR 17889 EN (1997) 56pp., free of charge
Availability: Available from the European Commission, DG XII-C-5, 200 rue de la Loi, B-1049 Bruxelles (BE)
ISBN: ISBN 92-828-2536-1
Record Number: 199810554 / Last updated on: 1998-05-05
Original language: en
Available languages: en