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A new, low-power ionization source for the elemental analysis of aqueous solutions has recently been described. The liquid sampling–atmospheric pressure glow discharge (LS-APGD) source operates at relatively low currents (<20 mA) and solution flow rates (<50 μL min−1), yielding a relatively simple alternative for atomic mass spectrometry applications. The LS-APGD has been interfaced to what...
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