AOAC OMA# 2011.14 (Final Action Review)-OMB

2011.14 (SEPTEMBER 2017) MTE-01/03 REPORT

ISO/NP 15151 | IDF 229 FOR ERP USE ONLY DO NOT DISTRIBUTE

Milk and milk products, Infant formula and Adult nutrition — Determination of minerals and trace elements - Inductive coupled plasma atomic emission spectrometric method (ICP- AES) WARNING — The use of this International Standard may involve hazardous materials, operations and reagents. This standard does not propose to address all the safety problems associated with its use. It is the responsibility of the user of this standard to establish safety and health practices and determine the applicability of regulatory limitations prior to use. 1 Scope This International Standard specifies an inductively coupled plasma atomic emission spectrometric method for the determination of calcium (Ca), copper (Cu), iron (Fe), magnesium (Mg), manganese (Mn), phosphorus (P), potassium (K), sodium (Na), and zinc (Zn) contents.. The method is applicable for milk, dried milk, butter, cheese, whey, dried whey, infant formula and adult nutrition in the following ranges.

Mn

Cu

Fe

Zn

Mg

P

Na

Ca

K

Lower analytical range Upper analytical range

0.01

0.03

0.5

0.2

3

15

10

20

10

1.0

1.2

20

18

110

800

850

1280

2000

Concentrations in (mg/100 g) apply to : (i) milk, whey powder, whey protein concentrate, cheese and butter and "ready to feed" liquids as is", (ii) reconstituted milk powder, infant formula and adult nutrition powders (25 g into 200 g of water)

2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 5725-1. Accuracy (trueness and precision) of measurement methods and results. Part 1 : General principles and definitions. ISO 5725-2. Accuracy (trueness and precision) of measurement methods and results . Part 2 : Basic method for the determination of repeatability and reproducibility of a standard measurement method.

3 Terms and definitions

1

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