Application and Optimization of Inductively Coupled Plasma-Mass Spectrometry in the Detection of Heavy Metal Elements in Health Foods
Objective:To optimize inductively coupled plasma-mass spectrometry to improve the sensitivity and accuracy of detecting heavy metal elements in dietary supplements.Method:The ICP-MS method was optimized by using the collision reaction cell technique and selecting rhodium as the internal standard element.Result:The detection limit of each element method is 0.005 μg·L-1,the quantification limit is 0.015 μg·L-1,the spiked recovery rate is between 96.7% and 98.5%,and the relative standard deviation is less than 5% .It has shown high sensitivity and accuracy in the detection of heavy metal elements in health food.Conclusion:The optimized inductively coupled plasma-mass spectrometry method improved the signal intensity and stability,and the mass spectral interference was effectively eliminated.The introduction of the internal standard element improved the stability of the signal and the accuracy of the detection results,provided scientific technical support for the detection of heavy metal elements in dietary supplements.
health foodinductively coupled plasma-mass spectrometryheavy metal element detection
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维普
