High-Sensitivity Determination of K, Ca, Na, and Mg in Salt Mines Samples by Atomic Emission Spectrometry with a Miniaturized Liquid Cathode Glow Discharge

<div>Effect of solution flow rate on emission intensity (electrolytes: 5 mg L<sup>−1</sup> K, Ca, Na, and Mg solution adjusted to pH = 1.0 with HNO<sub>3</sub>, discharge voltage: 650 V, interelectrode gap: 2 mm, and capillary diameter: 1 mm).</div>

Journal of Analytical Methods in Chemistry

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Figure 5

Figure 5: High-Sensitivity Determination of K, Ca, Na, and Mg in Salt Mines Samples by Atomic Emission Spectrometry with a Miniaturized Liquid Cathode Glow Discharge 

Figure 5 | High-Sensitivity Determination of K, Ca, Na, and Mg in Salt Mines Samples by Atomic Emission Spectrometry with a Miniaturized Liquid Cathode Glow Discharge 