High-Accuracy Determination of Potassium and Selenium in Human Serum by Two-Step Isotope Dilution ICPMS

<div>The response signal of <sup>78</sup>Se and <sup>80</sup>Se with acidity.</div>

Journal of Analytical Methods in Chemistry

Figure 1: High-Accuracy Determination of Potassium and Selenium in Human Serum by Two-Step Isotope Dilution ICPMS 