PE22-28 COA — Verified Certificate of Analysis Results
8 independent third-party certificates of analysis for PE22-28, from 1 labs across 8 vendors (2025-09-21 to 2026-08-06).
Every PE22-28 certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 8 published PE22-28 certs in our corpus.
Assay metrics
PE22-28 lab-testing metrics
99.5%
Median tested purity
0
Zero-purity certs
Mean purity99.6%
Mean dose vs label-17.1%
Within 10% of label dose33%
Overdosed ≥ +7%0%
Underdosed ≤ −7%67%
COAs per testing lab
Every lab testing PE22-28 in the corpus.
Tested-purity distribution
Bins below 90% tested purity.
| Purity range | Certificates |
|---|---|
| 0–50% | 0 |
| 50–70% | 0 |
| 70–80% | 0 |
| 80–85% | 0 |
| 85–90% | 0 |
| 90–91% | 0 |
| 91–92% | 0 |
| 92–93% | 0 |
| 93–94% | 0 |
| 94–95% | 0 |
| 95–96% | 0 |
| 96–97% | 0 |
| 97–98% | 0 |
| 98–99% | 0 |
| 99–100% | 8 |
COAs over time
PE22-28 certificates published per month.
| Month | Certificates |
|---|---|
| 2025-09 | 1 |
| 2025-10 | 1 |
| 2025-12 | 1 |
| 2026-02 | 2 |
| 2026-07 | 2 |
| 2026-08 | 1 |
Most-tested vendors
Vendors by PE22-28 certificate count.
See who tests most — unlock the vendor names with Pro.
Verified PE22-28 certificates of analysis
8 records. Zero guesswork.
Unlock the actual vendor, purity, dose accuracy, lab, batch and saved certificate for every PE22-28 result.
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