Free educational PDF

Read a Certificate of Analysis with more confidence

A plain-language guide to the document that comes with laboratory-tested materials.

The COA Interpretation Guide shows how to identify the issuing laboratory, find the methods and reported results, tell reported facts from omissions, and write down the questions worth following up. It is educational material for adult research, laboratory, and analytical audiences.

By requesting the guide you will receive it by email, along with occasional educational emails from Compound Review. We may also introduce relevant independent companies, including affiliated companies, when clearly identified. Unsubscribe at any time. See our Privacy page.

What the guide covers

Four things to check on any lab report

  • Who issued it. Confirm the report and the laboratory identity before reading anything else.
  • What was measured. Find the methods, the specifications, and the reported results.
  • What is missing. Spot absent context and documentation gaps.
  • How to repeat it. Build a short checklist you can use on the next report.

The guide explains how to read a document. It does not verify, rate, or endorse any material, laboratory, or company.

How it works

Three steps, no charge

  1. Enter your email address above.
  2. Open the delivery email and follow the link to the guide.
  3. Use the checklist the next time you review analytical documentation.

About the publication

Independent and educational

Compound Review is an independent educational publication. We summarize published literature, cite our sources, and correct our mistakes in public. This website is editorial only. We give no individual advice, and we do not characterize any material for human use. Questions and corrections go to the editorial team.

Compound Review is operated by We Will Figure It Out LLC, 106 Royal Park Drive, Oakland Park, FL 33334, United States · [email protected]

Questions

Before you subscribe

Is the guide free?
Yes. It is provided at no charge. Enter an email address and the guide is sent to it.
What is included?
A long-form educational PDF with original illustrations: how a Certificate of Analysis is laid out, what each section reports, where gaps tend to hide, and a checklist to reuse.
Who publishes it?
Compound Review, an independent educational publication operated by We Will Figure It Out LLC in Oakland Park, Florida. Our review process and relationships are described on our About page.
What emails will I receive?
The guide, then occasional educational emails. Any company introduction is clearly labelled, and every email carries a one-click unsubscribe.

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