Research Library

Plain-English explainers on laboratory documentation, in English and Spanish. Educational information for laboratory researchers.

COA basics

How to Read a Certificate of Analysis (COA)

Identity, purity and potency explained with a real lab report, plus five checks that a COA is genuine.

Read the article → Español · Bases del COA

Cómo leer un certificado de análisis (COA)

Identidad, pureza y potencia explicadas con un informe real de laboratorio, y cinco comprobaciones de que un COA es auténtico.

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