ISO 20647:2015规定了婴儿配方食品和成人营养配方食品中总碘的定量测定方法。[1]该方法适用于婴儿配方食品和成人营养配方食品中0.5μg/100g至1500μg/100g重组成品和2.5μg/100g的即食产品中总碘的测定使用电感耦合等离子体质谱法从微克/100克到1000微克/100克。使用各种婴儿配方奶粉和成人营养产品，对该方法进行了实验室间研究。获得的水平范围为3,47微克/100克至124微克/100克。与实验室间研究相关的所有精密数据，见附录A中的表A.1。

ISO 20647:2015 specifies a method for the quantitative determination of total iodine in infant formula and adult nutritional formula.[1] The method is applicable to the measurement of total iodine in infant formula and adult nutritional formula from 0,5 µg/100g to 1 500 µg/100g reconstituted final product and for ready-to-feed products from 2,5 µg/100 g to 1 000 µg/100 g using ICP-MS. Using various infant formula and adult nutritional products, the method was subjected to an interlaboratory study. Levels obtained ranged from 3,47 µg/100 g to 124 µg/100 g. For all precision data related to the interlaboratory study, see Table A.1 located in Annex A.