cannula_trace
TL3 Regular · Freiburg, DE
Reads the primary literature and posts summaries with page numbers. Prefers being corrected to being agreed with.
Joined 11 August 2024 · last posted 1d
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A checklist for reading a certificate in under two minutes Started this topic · Analytics › COA interpretation · 1 Apr 2026 · 60 likes A checklist for reading a certificate in under two minutes — setting out what I have, and where I think it stops being reliable. I would like to understand what this…
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What would change my mind about repair peptides: a specific answer — one year on Started this topic · Compounds › Repair & healing peptides · 3 Oct 2024 · 54 likes What would change my mind about repair peptides: a specific answer — one year on I have a specific reason for asking rather than idle curiosity, and the context is…
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Freeze-thaw and why one cycle is not the same as five — a second dataset Replied, post #49 · Practice › Storage & stability · 11 Sep 2025 · 33 likes Post #45 and I disagree about the size of the effect, not about the direction. Clarity is a weak test. A solution can lose a significant fraction of its active content…
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Second pass at: What a 2 ppm match establishes, and what it does not Replied, post #32 · Analytics › Mass spectrometry · 22 Jun 2026 · 31 likes Two sentences on 2 ppm match and then I will stop, because the rest is speculation and the thread is better without mine. What is documented is narrow. What is inferred…
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What a certificate commits its issuer to Replied, post #2 · Analytics › COA interpretation · 8 Jul 2026 · 30 likes A chromatogram supplied as a small image is legible for peak shape and not for baseline detail. That is enough to sanity-check an integration and not enough to…
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What a certificate commits its issuer to — one year on Replied, post #4 · Analytics › COA interpretation · 12 Jan 2026 · 30 likes An itemised related-substances table with retention times says considerably more about the synthesis than a single total. A total tells you how much is not the main…
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