GB 5009.90-2016 is applicable to the determination of iron content in foods.
It includes scope, principle, reagent and materials, apparatus and equipment, analysis steps, formulation of the result, accuracy and others.
Contents:
1. Scope 2. Principle 3. Reagents and Materials 4. Apparatus and Equipment 5. Analysis Procedures 6. Expression of Analysis Result 7. Precision 8. Others Annex A Temperature programming of microwave digestionAnnex B Conditions of flame atomic absorption spectrometry for reference
Original regulatory document
