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This report describes the recertification of a sediment reference material previously certified for tributyltin (TBT: Sn(C(4)H(9))(3)(+)) and dibutyltin (DBT: Sn(C(4)H(9))(2)(+)). The material was withdrawn from sales for stability reasons and recertified after having been transferred from +4 C to -20 C storage. The homogeneity and stability studies and the analytical work performed for the recertification of the contents of TBT and DBT are described. This report contains all the results and gives the methods used to rectify tributyltin and dibutyltin (as mass fractions of the respective cations).

Additional information

Authors: LAMBERTY A, JRC Geel (BE);QUEVAUVILLER P, CEC Bruxelles (BE);MORABITO R, ENEA, CRE Casaccia, Roma (IT)
Bibliographic Reference: EUR 18406 EN (1998) 19pp., free of charge
Availability: Available from the European Commission, DG XII-C-5, 200 rue de la Loi, B-1049 Bruxelles (BE)
ISBN: ISBN 92-828-4048-4
Record Number: 199811234 / Last updated on: 1998-10-27
Original language: en
Available languages: en