Teledyne CETAC Blog

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The United States Pharmacopeia (USP) sets quality, purity, strength, and identity standards for medicines, food ingredients, and dietary supplements. Many USP standards are enforceable by the United States Food and Drug Administration (FDA) under US law. When standards become more stringent, testing laboratories can face new challenges.

To celebrate National Periodic Table Day (February 7 in the United States) and 2019’s International Year of the Periodic Table, here are a few of our favorite interactive periodic tables.