This regulation is expired and has been replaced by:
GB 5009.90-2016 National Food Safety Standard Determination of Iron in Food
GB 5009.241-2017 National Food Safety Standard Determination of Magnesium in Food
GB 5009.242-2017 National Food Safety Standard Determination of Manganese in Food
GB/T 5009.90-2003 is a recommended standard for the determination of iron, magnesium and manganese in all kinds of food.
Contents:
1 Scope The theory Reagents Instruments Analytical procedures RSD