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Microwave anti-solution-direct coupling plasma snogoscope method of 26 elements in peanuts and soybeans
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Song WANG*, Jing MENG
Laboratory Testing | 2024, 2(10) : 95 - 97
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Laboratory Testing | 2024, 2(10): 95-97
Evaluation and Analysis
Microwave anti-solution-direct coupling plasma snogoscope method of 26 elements in peanuts and soybeans
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Song WANG*, Jing MENG
Affiliations
  • Mentougou District Center for Disease Control and Prevention Beijing 102300 China
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Objective Collect peanuts and soybeans in Beijing throughvarious channels, determine the content of 26 metal elements among them.Methods The sample is pre-processed by using a microwave to eliminatethe sample, the content of 26 metal elements was determined by inductivecoupling plasma body constituent. Results The detection limit and linearrange of 26 elements can meet the detection requirements, thecorrelation coefficients are above 0.9980 or more, relative standarddeviation (RSD) in the range of 1.1% to 6.8%, the average recovery rateis within the range of 88.8% to 108.7%. In general the content of $\mathrm{K}$ , Ca, and $\mathrm{{Fe}}$ in soybeans far exceedspeanuts, Al in ordinary soybeans is significantly higher than organicsoybeans, the $\mathrm{{Fe}}$ of redpeanut peanuts is higher than white peanut peanuts. $\mathrm{{Pb}},\mathrm{{Cd}},\mathrm{{Cr}}$ with national standards of food safety have not exceeded the standard.Conclusion Through this method, it can be effectively used for themeasurement of 26 metal elements in peanuts and soybeans.

microwave digestion  /  direct coupling and plasma body composition method  /  peanut  /  soy  /  26 elements
Song WANG, Jing MENG. Microwave anti-solution-direct coupling plasma snogoscope method of 26 elements in peanuts and soybeans[J]. Laboratory Testing, 2024 , 2 (10) : 95 -97 .
Year 2024 volume 2 Issue 10
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  • Online Date:2025-07-29
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    Mentougou District Center for Disease Control and Prevention Beijing 102300 China

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*WANG Song, Technician in Charge, Mentougou District Center for Disease Control and Prevention, Beijing 102300, China. E-mail:
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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