BS EN 16943:2017描述了钙、铜、铁、镁的测定方法， 使用光学显微镜测定不同食品中的锰、磷、钾、钠、硫和锌 压力消解后使用电感耦合等离子体（ICP-OES）进行发射光谱测定。根据ISO 5725[1]，该方法已在婴儿配方奶粉的实验室间研究中得到验证 大豆、奶酪、鸡肉、小麦粉、苹果汁、龙虾和牛奶（见元素范围 表1和附录B中的验证数据）。在试验过程中，观察到某些分析物/基质组合的HorRat值大于2 验证研究。表1- 验证元素范围修正 镁/千克钙70至7178铜、60至16、40铁、88至77镁45至174锰、44至5、12磷72至9 708钾605至14 312钠26至22硫26至8 542锌C0、16至43、5在欧洲或国际水平上，可采用特定矿物测定的垂直标准 存在，例如牛奶和奶制品或动植物脂肪和油[2]。交叉引用:EN 13805:2014EN 13804:2013 ISO 21033:2016EN ISO/IEC 17025（ISO/IEC 17025:2005）ASISO/IEC 17025:2005 Ed 1ISO 5725:1986购买本文件时可用的所有现行修订版均包含在购买本文件中。

BS EN 16943:2017 describes a method for the determination of calcium, copper, iron, magnesium, manganese, phosphorus, potassium, sodium, sulfur and zinc in different foodstuffs using optical emission spectrometry with inductively coupled plasma (ICP-OES) after pressure digestion.This method has been validated in an interlaboratory study according to ISO 5725 [1] on infant formula soya based, cheese, chicken meat, wheat flour, apple juice, lobster and milk (see elements ranges Table 1 and validation data in Annex B).HorRat values greater than 2 have been observed for certain analyte/matrix combinations during the validation study.Table 1 - Validated element rangesElementRange mg/kgCalcium70 to 7178Copper0,60 to 16,40Iron0,88 to 77Magnesium45 to 1 174Manganese0,44 to 5,12Phosphorus72 to 9 708Potassium605 to 14 312Sodium11 to 2 220Sulfur26 to 8 542Zinc0,16 to 43,5At European or International level, vertical standards for the determination of specific minerals can exist, e.g. for milk and milk products or for animal and vegetable fats and oils [2].Cross References:EN 13805:2014EN 13804:2013 ISO 21033:2016EN ISO/IEC 17025 (ISO/IEC 17025:2005) ASISO/IEC 17025:2005 Ed 1ISO 5725:1986All current amendments available at time of purchase are included with the purchase of this document.