Fluoride Working Group Meeting Book (December 14, 2017)

References 12-16 iare listed in slide 16

Other alternative methods 12,13,14,15,16

• Microwave Induced Combustion (MIC) followed ďLJ &-ISE or IC - Applied for halogens in infant formula (ŵĂŝŶůLJ Br and I) - Methods for fluoride in other food matrices (spices͕ ƉůĂŶƚƐͿ • Automatic standard addition/F-ISE • Specific extraction/ ŝĂůLJƐŝƐ/Microwave digestion and IC - Specific supplier IC equipment (e.g. in line ĚŝĂůLJƐŝƐ͕ ŝŶ ůŝŶĞ ^W Ϳ • GF-MAS - Specific supplier equipment ( ĂďLJĨŽŽĚ)

September 2016

13

• EĞǁ ƉƌŽŵŝƐŝŶŐ ŵĞƚŚŽĚƐ ;ďƵƚ ŶŽƚ LJĞƚ ĂƉƉůŝĞĚ ĨŽƌ /&Ϳ ƚŚĂƚ ƉŽƚĞŶƚŝĂůůLJ ĐŽƵůĚ ŵĞĞƚ ĐƵƌƌĞŶƚ ^DWZ ĂƌĞ ŵĂŝŶůLJ ďĂƐĞĚ ŽŶ͗ - Microwave digestion and F-/^ Žƌ ƐƉĞĐƚƌŽƉŚŽƚŽŵĞƚƌLJ ĚĞƚĞĐƚŝŽŶ - ĞƌŝǀĂƚŝnjĂƚŝŽŶ and GC-&/ ͬD^ • ŽĚĞdž ƌĞƋƵŝƌĞŵĞŶƚ ͗ & ĐŽŶƚĞŶƚ ф ϭϬϬђŐͬϭϬϬ ŬĐĂů (< 65μg/100g* reconstituted IF ) BUT AUS-NZ has one specific requirement: claims needed for 50 μg/100 g in powder ;ĐŽƌƌĞƐƉŽŶĚŝŶŐ ƚŽ ĐƵƌƌĞŶƚ >KYсϱ ђŐͬϭϬϬ Ő ŝŶ ^DWZͿ • Proposal for next step : 1. IĨ ŽŶůLJ ŽĚĞdž ƐƚĂŶĚĂƌĚ ŵĂdžŝŵƵŵ ůŝŵŝƚΎ ŝƐ ĨŽůůŽǁĞĚ͗ revise ^DWZ ǁŝƚŚ ŚŝŐŚĞƌ >KY ;Ğ͘Ő͘ ϱϬ-ϲϱ ђŐͬϭϬϬŐͿ 2. /Ĩ ^DWZ ŝƐ ŵĂŝŶƚĂŝŶĞĚ͗ ƌĞŽƉĞŶ call for methods to evaluate new methods using /^ ͕ / Žƌ ' ǁŝƚŚ ƐƉĞĐŝĨŝĐ ƐĂŵƉůĞ ƉƌĞƉĂƌĂƚŝŽŶ ;DŝĐƌŽǁĂǀĞ ĚŝŐĞƐƚŝŽŶ͕ ƐƉĞĐŝĨŝĐ buffer extraction 14 September 2016