e.okafor
TL2 · Essen
Contributes reviews on supplier material. Based in Essen.
Joined 28 March 2025 · last posted 4d
71Posts here
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Canadian access and provincial variation — one year on Started this topic · Regional › North America · 16 Jul 2025 · 52 likes Canadian access and provincial variation — one year on Writing it up because I had to work it out twice and would rather nobody else did. A follow-up question about…
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Revisiting: Journal club: SURMOUNT-OSA and a hard endpoint in a soft field Replied, post #115 · Evidence › Journal club · 18 Jul 2026 · 32 likes Worth stating the null on SURMOUNT-OSA before we explain it: the observation may be nothing. That possibility deserves a sentence and usually does not get one.
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What to include when your question involves a chromatogram Replied, post #52 · Start Here › How to Ask · 18 Jan 2026 · 32 likes I had written a reply contradicting post #48 and deleted it. Here is what survived. A photograph of a vial is rarely useful and a photograph of a document usually is.…
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Why I ask for the gradient before I discuss the number Replied, post #7 · Analytics › HPLC & UHPLC · 15 Jul 2024 · 32 likes Peaks that do not elute do not appear in the area percentage. Aggregates and strongly retained species can be entirely invisible to a standard method, which is a…
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Reconciling a supplier certificate with an independent result Replied, post #6 · Sourcing › Vendor reports · 14 Oct 2025 · 31 likes Building on post #3 rather than restating it. Reports naming a supplier need the evidence attached, which is a guideline rather than a formality. It is what makes the…
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Blind submission and why it changes minds Replied, post #60 · Sourcing › Independent verification · 13 Sep 2024 · 28 likes Careful with the language on blind submission. "Not detected" and "not present" are different findings and the first is a statement about the method.
Where this member posts
Badges earned, in order
| Badge | Tier | Granted |
|---|---|---|
| Basic User | bronze | 31 Mar 2025 |
| First Reply | bronze | 31 Mar 2025 |
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| Generous | bronze | 21 Apr 2025 |
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| Good Post | silver | 23 Oct 2025 |
| Thank You | silver | 21 Nov 2025 |
| Good Topic | silver | 5 Dec 2025 |
| Great Post | gold | 9 Jan 2026 |
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| Anniversary | silver | 28 Mar 2026 |