GB 5009.241-2017: Translated English of Chinese Standard. GB5009.241-2017: National Food Safety Standard - Determination of Magnesium in FoodThis Standard specifies use flame atomic absorption spectrometry, inductively coupled plasma emission spectrometry, and inductively coupled plasma mass spectrometry to determine the magnesium in food. |
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Contents
Foreword | 4 |
Apparatus | 5 |
Analytical Procedures | 6 |
Expression of Analytical Results | 8 |
Appendix A Microwave Digestion and TemperatureRise Program | 10 |
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Common terms and phrases
100mL volumetric flask 3.4.2 Standard magnesium 4.4 Adjustable electric 5mL of nitric accurate to 0.001g accurately pipette acid solution 1+1 acid solution 5+95 adjustable electric hot amount of water Analytical balance arithmetic mean blank test combine the washing conical flask constant volume content is 10.0mg/kg cooling Coupled Plasma Mass crucible digestion inner tank digestion solution digestion tank electric hot plate evenly for spare-use hollow cathode lamp Inductively Coupled Plasma liquid specimen magnesia magnesium content Magnesium in Food magnesium intermediate solution magnesium mass concentration Magnesium standard series magnesium stock solution measure the absorbance microwave digestion tank mix evenly nitric acid solution Perchloric acid Plasma Emission Plasma Mass Spectrometry Reagents retained 3 significant small amount solid specimen solution 1000mg/L soy sauce specimen or accurately specimen solution Spectrometry See GB Standard magnesium stock standard series solution standard solution Standard substance take 50mL Teflon digestion inner volume of 25mL washing liquid water to wash
Bibliographic information
| Title | GB 5009.241-2017: Translated English of Chinese Standard. GB5009.241-2017: National Food Safety Standard - Determination of Magnesium in Food |
| Author | https://www.chinesestandard.net |
| Publisher | https://www.chinesestandard.net, 2017 |
| Length | 10 pages |
| Export Citation | BiBTeX EndNote RefMan |