If i have blood sample, organ tissue sample or food sample, what analytic technique is used in laboratory to detect the ppm levels of heavy metals? What electronic intrument they use?

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    $\begingroup$ The best is probably Atomic Emission Spectroscopy $\endgroup$ – Raphaël Aug 8 '19 at 16:03
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    $\begingroup$ It depends. There is no real answer to such a general question. $\endgroup$ – MaxW Aug 8 '19 at 16:46