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In this Q&A episode, we answer common questions from ICP analysts, including how to choose between AA and CG product lines for your standards, when certification levels matter, and what documentation differences to expect. We also troubleshoot high recoveries of copper and lead in ICP-OES, exploring possible interferences, calibration curve issues, and internal standard miscalculations. Plus, we break down how internal standard baselines can throw off your results and how to fix them.