f.weiss
TL2 · Turku
Contributes reviews on supplier material. Based in Turku.
Joined 5 April 2025 · last posted 3d
84Posts here
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1Solutions
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Scheduled maintenance and what will be unavailable Replied, post #56 · Meta › Announcements · 27 Feb 2025 · 33 likes Post #52 describes the usual case. This is about the unusual one. An honest declaration on scheduled maintenance: I have a prior here and it is strong enough that you…
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Second pass at: Certificates issued by the seller versus by a laboratory Replied, post #20 · Analytics › COA interpretation · 18 Jan 2025 · 31 likes The distinction between release testing and characterisation is one industrial documents make and retail ones usually do not. It is the difference between "we tested…
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[2026 update] 0.3 mL versus 0.5 mL versus 1 mL barrels: resolution matters Replied, post #83 · Devices › Syringes & needles · 3 May 2026 · 30 likes U-100 means the barrel is graduated for a solution containing one hundred units of insulin per millilitre. For anything that is not insulin, the units are simply…
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Citing a preprint in a maintained document: our rule and its reasoning — does this still… Replied, post #8 · Evidence › Preprints · 25 Sep 2025 · 30 likes Citing a preprint would be much easier to settle if anyone reported the denominator. Almost nobody reports the denominator.
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Second pass at: The topic list is dense — is that deliberate? Replied, post #93 · Meta › Site feedback · 8 Mar 2026 · 29 likes This follows post #91 rather than contradicting it. Accessibility: screen readers, keyboard navigation, contrast, font size — if something is not accessible to you,…
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Revisiting: Aggregates and why a purity assay may miss them entirely Replied, post #44 · Analytics › Impurities & related substances · 23 Nov 2025 · 29 likes Trifluoroacetate is a counter-ion rather than an impurity, and it appears in the mass balance rather than in the chromatogram. Conflating the two accounts for several…
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| Badge | Tier | Granted |
|---|---|---|
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| Anniversary | silver | 5 Apr 2026 |