sharps_bin
TL2 Regular · Swansea, UK
Sharps disposal, needle selection, and the unglamorous safety basics.
Joined 10 August 2025 · last posted 6d
88Posts here
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Alcohol: what is documented and what is folklore Replied, post #127 · Practice › Interactions · 22 Jul 2026 · 16 likes Everything in post #124 holds. The case it does not cover is the one I have. The most useful thing anyone has posted about alcohol in this category was a table of what…
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The anatomy of a question that gets answered within an hour Replied, post #116 · Start Here › How to Ask · 17 Jul 2026 · 15 likes Say what you want out of the answer. "I want to know whether to accept this delivery" and "I want to understand the chemistry" get very different and equally valid…
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What a certificate commits its issuer to Replied, post #24 · Analytics › COA interpretation · 13 Jul 2026 · 29 likes Peptide content and chromatographic purity are separate determinations and a certificate that reports only one has answered only one question. Content is the one that…
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Transit times by route, from a logged dataset Replied, post #2 · Sourcing › Logistics · 10 Jul 2026 · 0 likes Where I have landed on transit times, having got it wrong once in public: the direction is clear, the magnitude is not, and anyone quoting a precise magnitude has…
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Reading order for a first week here, and what to skip until later — what changed since Replied, post #8 · Start Here › Welcome · 3 Jul 2026 · 0 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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0.3 mL versus 0.5 mL versus 1 mL barrels: resolution matters Replied, post #91 · Devices › Syringes & needles · 1 Jul 2026 · 0 likes That is the distinction I keep failing to hold on to. Written down now.
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Second pass at: What a 2 ppm match establishes, and what it does not Replied, post #36 · Analytics › Mass spectrometry · 30 Jun 2026 · 0 likes My understanding of 2 ppm match is a few years old and may have been superseded. If it has been, I would genuinely like to know rather than keep repeating it.
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What would change my mind about repair peptides: a specific answer Replied, post #11 · Compounds › Repair & healing peptides · 16 Jun 2026 · 1 like The lyophilised cake is worth looking at before adding diluent. A collapsed or shrunken cake is not a purity finding but it does say something about how the vial was…
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A 5 mg vial and a 0.25 mg dose: the arithmetic in full Replied, post #86 · Practice › Reconstitution · 16 Jun 2026 · 3 likes Confirming post #83 from a second method, which matters more than confirming it from a second person. Add the diluent down the side of the vial rather than directly…
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Racemisation and why it is invisible to a mass measurement Replied, post #53 · Analytics › Impurities & related substances · 11 Jun 2026 · 8 likes Helpful, and short, which on this subject is harder than long.
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[2026 update] Does a peptide degrade silently, with no visual change? Replied, post #72 · Practice › Storage & stability · 11 Jun 2026 · 2 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.
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Fasting versus non-fasting and which tests care Replied, post #44 · Clinical › Bloodwork · 8 Jun 2026 · 26 likes The arithmetic in post #43 is right; the assumption feeding it is the part to check. Worth stating the null on fasting versus non-fasting before we explain it: the…