Persee AA990 Atomic Absorption Spectrometer Lexy Ramos Tue, 07/14/2026 - 14:37 This flame atomic absorption spectrometer measures the concentration of specific metals in a liquid sample by burning it and reading how much light each element absorbs at its own characteristic wavelength. It's a standard tool for trace-metal analysis — quantifying things like iron, copper, lead, or calcium in water, soil extracts, or biological samples — and is well…
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