r.marsden
TL3 Regular · Granada, ES
Laboratory background. Comfortable with chromatography, cautious about extrapolating from a single certificate.
Joined 11 November 2024 · last posted 1d · groups: analytical-chemists
159Posts here
5Topics
0Solutions
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32Badges
358Days visited
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Reflectance and photometric devices: precision in practice Started this topic · Analytics › Home & field testing · 14 Apr 2025 · 48 likes On the subject in the title: Reflectance and photometric devices: precision in practice Working notes rather than a conclusion. I would like to understand what this…
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Maintainer handover: how it works Replied, post #29 · Meta › Wiki maintenance · 15 Mar 2025 · 31 likes Orphaned pages: if a page has no incoming links and is not reachable from navigation, it is orphaned. Such pages should either be linked or deprecated.
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Identical chromatograms across two different lots Replied, post #61 · Sourcing › Red flags · 12 Dec 2024 · 31 likes Having read the exchange above, I think I was wrong earlier in this topic and I want to say so plainly rather than quietly editing. The correction was fair and I had…
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SNAC and the mechanism of oral peptide absorption — the long version Started this topic · Compounds › Oral incretins · 6 Sep 2024 · 31 likes SNAC and the mechanism of oral peptide absorption — the long version Writing it up because I had to work it out twice and would rather nobody else did. I have seen…
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Request: show the solution author in the topic list — what changed since Replied, post #9 · Meta › Feature requests · 30 Apr 2026 · 29 likes Alternatives: if you have thought of a way the current site might already serve your need, mention it. It helps assess whether the feature is truly missing or just not…
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The topic list is dense — is that deliberate? Replied, post #72 · Meta › Site feedback · 25 Dec 2024 · 29 likes I disagree with the reply above, and I think the disagreement is substantive rather than terminological. The distinction being drawn does not survive when you look at…
Where this member posts
Badges earned, in order
| Badge | Tier | Granted |
|---|---|---|
| Basic User | bronze | 12 Nov 2024 |
| First Reply | bronze | 12 Nov 2024 |
| Read the Guidelines | bronze | 13 Nov 2024 |
| First Link | bronze | 19 Nov 2024 |
| Welcome | bronze | 23 Nov 2024 |
| First Quote | bronze | 1 Dec 2024 |
| First Topic | bronze | 4 Dec 2024 |
| Reader | bronze | 8 Dec 2024 |
| Generous | bronze | 10 Dec 2024 |
| First Tag | bronze | 26 Dec 2024 |
| Member | bronze | 29 Dec 2024 |
| First Chromatogram | bronze | 22 Jan 2025 |
| Sourced | bronze | 1 Feb 2025 |
| Submitted a Sample | silver | 18 Feb 2025 |
| Nice Post | bronze | 19 Feb 2025 |
| Consistently Generous | silver | 13 Mar 2025 |
| Reads a COA | silver | 22 Mar 2025 |
| Nice Topic | bronze | 24 Mar 2025 |
| Editor | bronze | 26 Mar 2025 |
| Well Sourced | silver | 22 Apr 2025 |
| Regular | silver | 10 May 2025 |
| Mass Accuracy | silver | 2 Jun 2025 |
| Batch Logger | silver | 23 Jun 2025 |
| Good Topic | silver | 2 Jul 2025 |
| Good Post | silver | 11 Jul 2025 |
| Thank You | silver | 29 Aug 2025 |
| Method First | silver | 31 Aug 2025 |
| Changed My Mind | silver | 8 Oct 2025 |
| Anniversary | silver | 11 Nov 2025 |
| Wiki Maintainer | gold | 2 Dec 2025 |
| Gives Back | gold | 4 Jan 2026 |
| Relentlessly Generous | gold | 8 Feb 2026 |