This standard specifies the determination of iron, magnesium and manganese in food by atomic absorption spectrophotometry. This standard applies to the determination of iron, magnesium and manganese in various foods.
GB/T 12396-1990 history
2017GB 5009.241-2017 National Food Safety Standard Determination of Magnesium in Food
2003GB/T 5009.90-2003 Determination of iron, magnesium and manganese in foods
1990GB/T 12396-1990 Method for determination of iron,magnesium and manganese in foods
GB/T 12396-1990 was changed to GB/T 5009.90-2003 Determination of iron, magnesium and manganese in foods.