Journal of Analytical Methods in Chemistry / 2017 / Article / Tab 2

Research Article

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

Table 2

Comparison of the LODs obtained by LCGD-AES system with other ELCAD-AES systems for the detection of K, Ca, Na, and Mg.

MethodsLOD (mg L−1)Reference
KCaNaMg

LCGD-AES0.3900.0540.0480.032This work
ELCAD0.2000.4000.0600.800[8]
Earlier0.0130.0230.00080.019[9]
SCGD0.00060.450.00050.340[10]
DC-APGD0.0040.360.0020.1[11]
DC-APGD0.0070.1500.0030.030[12]
APGD0.0040.090.0020.04[13]
APGD0.000850.250.000230.015[14]

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