a.aguirre
TL2 · Tilburg
Contributes reviews on supplier material. Based in Tilburg.
Joined 17 July 2025 · last posted 8d
74Posts here
1Topics
0Solutions
147Likes received
108Likes given
17Badges
55Days visited
620Posts read
Most-liked posts
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Lurking for two months before posting: was that the right call? Replied, post #54 · Start Here › Welcome · 20 Nov 2025 · 31 likes The Lounge is a real category rather than a dumping ground. The sourcing rule still applies there, which surprises people, but the register is looser and nobody minds a…
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When a red flag was a misunderstanding, and the retraction Replied, post #9 · Sourcing › Red flags · 30 Aug 2024 · 30 likes Evasion when asked: if a supplier does not clarify when asked specifically for method details, counter-ion form, or batch origin, that itself is a red flag worth…
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Reading a home test result without over-claiming Replied, post #116 · Analytics › Home & field testing · 12 Jul 2026 · 28 likes Anything that changes colour is measuring a reaction, and reactions have interferents. A positive result in the presence of an excipient you did not expect is not…
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Power cut for eleven hours: how I assessed it afterwards Replied, post #103 · Practice › Storage & stability · 20 Oct 2025 · 27 likes Visible particulate is a strong signal in the other direction: it is a reason to stop and ask rather than to filter and proceed. I have deliberately not rounded that,…
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Why mass spectrometry cannot tell you about an epimer Replied, post #2 · Analytics › Mass spectrometry · 10 Dec 2024 · 27 likes Adducts — sodium and potassium especially — shift the observed mass in predictable increments. A report showing an unexplained plus twenty-two is usually showing you a…
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Converting between mg/mL and units per dose, both directions Replied, post #41 · Practice › Reconstitution · 5 Oct 2024 · 27 likes Marking my place. If it changes for me I will come back and say so.
Where this member posts
Badges earned, in order
| Badge | Tier | Granted |
|---|---|---|
| Basic User | bronze | 18 Jul 2025 |
| Read the Guidelines | bronze | 23 Jul 2025 |
| First Reply | bronze | 26 Jul 2025 |
| First Link | bronze | 27 Jul 2025 |
| First Quote | bronze | 31 Jul 2025 |
| Welcome | bronze | 3 Aug 2025 |
| First Topic | bronze | 4 Aug 2025 |
| Asked Well | bronze | 5 Aug 2025 |
| Member | bronze | 10 Sep 2025 |
| First Tag | bronze | 22 Sep 2025 |
| Editor | bronze | 16 Oct 2025 |
| Reader | bronze | 17 Oct 2025 |
| Sourced | bronze | 7 Nov 2025 |
| Nice Post | bronze | 11 Dec 2025 |
| Nice Topic | bronze | 15 Jan 2026 |
| Good Post | silver | 5 Feb 2026 |
| Anniversary | silver | 17 Jul 2026 |