本文件旨在回复EN-71系列中实际化学标准的解释请求:EN 71-3:某些元素的迁移；EN 71-4:化学和相关活动的实验装置；EN 71-5:实验装置以外的化学玩具（套装）；EN 71-7:手指涂料——要求和试验方法；EN 71-9:有机化合物——要求；EN 71-10:有机化合物——样品制备和提取；EN 71-11:有机化合物——分析方法； EN 71-12:N-亚硝胺和N-可亚硝胺物质；EN 71-13:嗅觉棋盘游戏、化妆品套装和味觉游戏。购买本文件时可获得的所有当前修订均包含在购买本文件中。

The purpose of this document is to provide replies to requests for interpretations of actual chemical standards in the EN-71 series:EN 71-3:Migration of certain elements;EN 71-4:Experimental sets for chemistry and related activities;EN 71-5:Chemical toys (sets) other than experimental sets;EN 71-7:Finger paints - Requirements and test methods;EN 71-9:Organic chemical compounds - Requirements;EN 71-10:Organic chemical compounds - Sample preparation and extraction;EN 71-11:Organic chemical compounds - Methods of analysis;EN 71-12:N-Nitrosamines and N-Nitrosatable substances;EN 71-13:Olfactory board games, cosmetic kits and gustative games.All current amendments available at time of purchase are included with the purchase of this document.