BS EN 15137-2006 接触食品的材料和物品.有限制条件的某种环氧衍生物.NOGE及其氢氧和含氯衍生物的测定

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标准号:BS EN 15137-2006
中文标准名称:接触食品的材料和物品.有限制条件的某种环氧衍生物.NOGE及其氢氧和含氯衍生物的测定
英文标准名称:Materials and articles in contact with foodstuffs - Certain epoxy derivatives subject to limitation - Determination of NOGE and its hydroxy and chlorinated derivatives
标准类型:X04
发布日期:2006/3/31 12:00:00
实施日期:2006/3/31 12:00:00
中国标准分类号:X04
国际标准分类号:67.250
引用标准:EN 13130-1-2004
适用范围:This European standard describes the determination of NOGE components with more than two aromatic rings(the two-ring NOGE is equal to BFDGE = Bis(2-hydroxyphenyl)methane bis(2,3-epoxypropyl)ether) and atleast one epoxy group as well as their derivatives containing chlorohydrin functions and having a molecularmass less than 1000 Daltons in can coatings.A high performance liquid chromatography (HPLC) method is employed based on reversed phase HPLC andfluorescence detection.The method is capable of determining NOGE and its derivatives at a minimum level of 1 μg/ml in solution.Direct HPLC analysis of the can coating extract may result in chromatograms difficult to interpret, due tointerference from other components or the instability of the monomer resulting in a complex mixture ofderivatives and/or reaction products. By forced hydrolysis of all epoxy groups and their reaction products, thequantification of the NOGE is simplified and the identities of the substances are indicatively confirmed.NOTE In this European standard the term “NOGE and its derivatives” refers to the requirements of Directive2002/16/EC [1] and its amendment, Directive 2004/13/EC [2]. This includes NOGE components with more than twoaromatic rings and at least one epoxy group as well as their derivatives containing chlorohydrin functions and having amolecular mass less than 1000 Daltons.

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