BS EN 15741:2009 - Animal feeding stuffs. Determination of OC-pesticides and PCBs by GC/MS – BSI British Standards
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BS EN 15741:2009

Animal feeding stuffs. Determination of OC-pesticides and PCBs by GC/MS

Status : Current   Published : July 2009



BS EN 15741:2009 Animal feeding stuffs. Determination of OC-pesticides and PCBs by GC/MS

BS EN 15741 specifies a gas chromatographic/mass spectrometric method for the determination of organochlorine pesticides (OC’s) and polychlorinated biphenyls (PCBs) in animal feeding stuffs and oil.

The method is applicable to animal feeding stuffs with a water content up to about 20 wt% and oil/fatty samples containing residues of one or more of the following OC’s and PCBs and some of their isomers and degradation products:

  • Aldrin
  • Dieldrin
  • Chlordane (= sum of Chlordane isomers and Oxychlordane)
  • DDT (= sum of isomers op'-DDT, pp'-DDT, pp'-TDE (pp'-DDD), and pp'-DDE)
  • Endosulfan (sum of α-/β-isomers and Endosulfan-sulphate)
  • Endrin
  • Heptachlor (= sum of Heptachlor and β-Heptachlorepoxide)
  • Hexachlorobenzene (HCB)
  • Hexachlorocyclohexane isomers α-HCH (α-BHC), β-HCH (β-BHC), γ-HCH (γ-BHC or lindane)
  • PCB 28, 52, 101, 138, 153 and 180 (“Indicator PCBs”) and PCB 198, 209.

The method is not yet applicable to Chlorocamphene (Toxaphene), a complex mixture of polychlorinated camphenes. Chlorocamphene has a very distinctive chromatographic profile and is easily recognisable by GC/ECD. Positive identification of the toxaphene isomers can be performed by negative chemical ionisation mass spectrometry (NCI-MS), electron impact tandem mass spectrometry (EI-MSxMS) or electron impact high resolution mass spectrometry (EI-HRMS) [1], which is not within the scope of this method.

The limit of quantification for the mentioned organochlorine pesticides and PCBs is 5 ng/g in general. However, 10 ng/g applies for Heptachlor Aldrin, Endrin, Dieldrin, and Endosulfan (α-, β- and sulphate). Individual laboratories are responsible to ensure that the equipment they used will achieve these limits of quantifications

Contents of BS EN 15741:

  • Foreword
  • Scope
  • Normative references
  • Terms and definitions
  • Principle
  • Reagents and materials
  • Apparatus
  • Sampling
  • Preparation of test sample
  • Procedure
  • Calculation and expression of results
  • Precision
  • Test report
  • Important considerations
  • Results of interlaboratory tests
  • Description of PTV injection system (in case this is available).
  • Bibliography

Standard NumberBS EN 15741:2009
TitleAnimal feeding stuffs. Determination of OC-pesticides and PCBs by GC/MS
Publication Date31 July 2009
Cross ReferencesISO 6498, ISO 6497:2002, Regulation (EC) No 1831/2003, 2002/657/EC
International RelationshipsEN 15741:2009
Draft Superseded By07/30171963 DC
DescriptorsAnimal feed, Food products, Food testing, Chemical analysis and testing, Determination of content, Pesticides, Halogenated benzenoid hydrocarbons, Polychlorinated biphenyls, DDT, Residues (pesticides), Gas chromatography, Mass spectrometry
Title in FrenchAliments des animaux. Détermination des pesticides organochlorés (OC) et des polychlorobiphényles (PCB) par GC/MS
Title in GermanFuttermittel. Bestimmung der OC-Pestizide und PCB's mittels GC/MS-Verfahren
ISBN978 0 580 60511 6
File Size790.2 KB

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