GB 5009.15-2014 Translated English of Chinese Standard. GB5009.15-2014: National Food Safety Standard - Determination of Cadmium in Foods
https://www.chinesestandard.net, 2016 M08 26 - 9 pages
This Standard specifies the method for the determination of cadmium in all kinds of food by graphite furnace atomic absorption spectrometry. This Standard is applicable to the determination of cadmium in all kinds of food.
Apparatuses and Instruments
Analytical Result Expression
25mL flask 500░C muffle furnace 5mL of nitric absorbance value accurate to 0.001g acid mixed solution acid solution 1+1 acid-driven adjustable electric furnace Ammonium dihydrogen phosphate amount of nitric ashing atomic absorption spectrophotometer Cadmium hollow cathode Cadmium in Foods Cadmium standard solution Cadmium standard stock clean plastic bottle combine the washings conical flask Constant temperature drying curve work solution Determination of Cadmium digestive juice turns dilute with nitric fresh wet GB/T graphite furnace guaranteed reagent hollow cathode lamp hydrogen peroxide inject into graphite juice into 10mL matrix modifier method to digest Microwave digestion nationally and awarded nitric acid solution perchloric acid pressure digestion tank reagent blank test reference standard material sample digestive sample’s storing conditions scale specimen 0.3g~0.5g accurate specimen 1g~2g accurate standard curve standard serial solution standard substance authenticated standard substance certificate store for later substance authenticated nationally temperature drying box tetrafluoroethylene wash the digestive weigh dry specimen wet digestion method