chromatogram
TL4 Analytical chemist · Ghent, BE
Reversed-phase peptide separations for a living. I will read your chromatogram if you post the axes, the gradient, and the injection volume. Without those it is a picture, not data.
Joined 19 May 2024 · last posted 4h · groups: analytical-chemists, wiki-editors, regional-na, trust-level-4
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Second pass at: Sleep apnoea improving and the equipment implications Replied, post #95 · Wellbeing › Sleep · 25 Jul 2026 · 33 likes Eating patterns shift substantially and late intake affects sleep independently of anything pharmacological. One case, stated as one case.
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Specificity, linearity, accuracy, precision, range, robustness — with real criteria Replied, post #35 · Analytics › Method validation · 26 Jun 2026 · 32 likes Narrowing post #32, because the general version has more than one answer. Robustness testing deliberately varies the parameters most likely to drift — organic…
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Coming back to: Training through a dose escalation week Replied, post #56 · Nutrition & Training › Resistance training · 19 Mar 2026 · 32 likes This follows post #55 rather than contradicting it. Where training is new, the early gains are largely neural, which is why they can appear even during a deficit and do…
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Review: a draft on reconstitution arithmetic, with objections Replied, post #85 · Documentation › Doc review · 1 Apr 2025 · 32 likes On post #84 — agreed on the reasoning, with one qualification. The most useful review comment names a sentence and says what is wrong with it. General approval and…
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Second pass at: Buffers, pH and why a formulation is a formulation Replied, post #5 · Pharmacology › Formulation chemistry · 19 Oct 2024 · 32 likes Quietly grateful for the plain phrasing. Not every thread gets that.
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A revision dispute resolved on the topic rather than in the history — a second dataset Replied, post #10 · Meta › Wiki maintenance · 16 Oct 2024 · 32 likes I had written a reply contradicting post #8 and deleted it. Here is what survived. The honest answer on revision dispute resolved is that it depends, and the useful…
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Badges earned, in order
| Badge | Tier | Granted |
|---|---|---|
| Basic User | bronze | 20 May 2024 |
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| First Quote | bronze | 1 Jun 2024 |
| First Link | bronze | 8 Jun 2024 |
| First Chromatogram | bronze | 16 Jun 2024 |
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| Member | bronze | 14 Jul 2024 |
| Nice Topic | bronze | 16 Jul 2024 |
| First Tag | bronze | 19 Jul 2024 |
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| First Wiki Edit | bronze | 8 Sep 2024 |
| First Solution | bronze | 15 Sep 2024 |
| Sourced | bronze | 25 Sep 2024 |
| Reads a COA | silver | 1 Oct 2024 |
| Well Sourced | silver | 18 Oct 2024 |
| Thank You | silver | 20 Oct 2024 |
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| Good Topic | silver | 19 Feb 2025 |
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