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 discharge voltage on emission intensity (concentration: 5 mg L<sup>−1</sup> adjusted to pH = 1.0 with HNO<sub>3</sub>, flow rate: 3 mL min<sup>−1</sup>, interelectrode gap: 2 mm, and capillary diameter: 1 mm).</div>

Journal of Analytical Methods in Chemistry

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Figure 3

Figure 3: 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 3 | High-Sensitivity Determination of K, Ca, Na, and Mg in Salt Mines Samples by Atomic Emission Spectrometry with a Miniaturized Liquid Cathode Glow Discharge 