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ČSN EN 15742 (467039)
Animal feeding stuffs: Methods of sampling and analysis - Determination of OCPs by GC-ECD
Translate name
STANDARD published on 1.9.2020
The information about the standard:
Designation standards: ČSN EN 15742
Classification mark: 467039
Catalog number: 510350
Publication date standards: 1.9.2020
SKU: NS-1003264
The number of pages: 28
Approximate weight : 84 g (0.19 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN 15742 (467039):
This document specifies a gas chromatographic method with electron capture detection (ECD) for the determination of organochlorine pesticides (OCPs) in compound feeds and oil and fats. The method is applicable to animal compound feed, oils and fats and fish meals with a water content up to about 20 % by weight and oil/fatty samples containing residues of one or more of the following OCPs, toxaphene and some of their isomers and degradation products: - aldrin; - dieldrin; - dichlorodiphenyltrichloroethane (DDT) (the isomers ´op´-DDT´, ´pp´-DDT´, ´pp´-TDE´ (´pp´-DDD´), and ´pp´-DDE´); - endosulfan (as the sum of alpha-/beta-isomers); - endrin; - hexachlorobenzene (HCB); - hexachlorocyclohexane isomers alpha-HCH (alpha-BHC), beta-HCH (beta-BHC), -HCH (-BHC or lindane); - For the following OCPs, the method is considered a screening method. Additional in-house validation is required for reporting validated data. - chlordane (as the sum of chlordane isomers and oxychlordane); - endosulfan-sulphate; - delta-keto-endrin; - heptachlor (as the sum of heptachlor and heptachlor epoxide); - photo-heptachlor; - cis- and trans-nonachlor. A limit of quantification (LOQ) for the mentioned OCPs of 5 µg/kg is intended to be obtained. However, 10 µg/kg applies for heptachlor, aldrin, endrin, dieldrin, and endosulfan (alpha-/beta- and sulphate). Individual laboratories are responsible for ensuring that the equipment that they use, achieves these limits of quantifications. The LOQs apply to the individual OCPs
Preview of the standard ČSN EN 15742 (467039)
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