BS EN 15741-2009 牲畜饲料.气相色谱/质谱联用测定OC-杀虫剂和PCBs

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                   【英文标准名称】:     Animal feeding stuffs - Determination of OC-pesticides and PCB's by GC/MS            【原文标准名称】:     牲畜饲料.气相色谱/质谱联用测定OC-杀虫剂和PCBs            【标准号】:     BS EN 15741-2009            【标准状态】:     现行            【国别】:     英国            【发布日期】:     2009-07-31    【实施或试行日期】: 2009-07-31【发布单位】: 英国标准学会(GB-BSI)【起草单位】: BSI【标准类型】: ()【标准水平】: ()【中文主题词】: 农业;艾氏剂;饲料;化学分析和测试;色谱法;滴滴涕;定义(术语);含量测定;测量规程;狄氏剂;异狄氏剂;气相色谱法;六氯苯;六氯环己烷;实验室间试验;质谱学;数学计算;方法;多氯联苯(PCB);农药;污染物浓度;污染物;多氯联苯;残留试验;残留物【英文主题词】: Agriculture;Aldrin;Animal feed;Chemical analysis and testing;Chromatography;DDT;Definitions;Determination of content;Determination procedures;Dieldrin;Endrin;Gas chromatography;Hexachlorobenzene;Hexachlorocyclohexane;Inter-laboratory tests;Mass spectrometry;Mathematical calculations;MethodsCBesticidesollutant concentrationollutantsolychlorinated biphenyls;Residue tests;Residues【摘要】: This European Standard 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 polychlorinatedcamphenes.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),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.【中国标准分类号】: B46【国际标准分类号】: 65_120【页数】: 28P.;A4【正文语种】: 英语