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Laboratory analyzers used to determine the concentration of lithium in body fluids (e.g., serum, plasma, urine). Most laboratory lithium analyzers are based on emission photometry or atomic absorption spectrometry. Some analyzers use ion-selective electrodes for determining lithium concentration. Dedicated lithium analyzers are mostly used to determine lithium serum concentration (as an indicator of toxicity) in patients under lithium treatment for affective disorders.
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