Media type: E-Article Title: Reference material in residue control: assessment of matrix effects Contributor: Gowik, Petra; Polzer, Joachim; Uhlig, Steffen imprint: Springer Science and Business Media LLC, 2007 Published in: Accreditation and Quality Assurance Language: English DOI: 10.1007/s00769-006-0220-y ISSN: 0949-1775; 1432-0517 Keywords: Safety, Risk, Reliability and Quality ; Instrumentation ; General Chemical Engineering ; General Chemistry Origination: Footnote: