k.salinas

TL2 · Aalborg

Contributes reviews on supplier material. Based in Aalborg.

Joined 19 May 2025 · last posted 1d

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[2026 update] Interpreting a result that disagrees with the supplier's certificate Replied, post #127 · Sourcing › Independent verification · 27 Jul 2026 · 28 likes What a supplier does when asked is itself information, and it is information that a chromatogram cannot provide. I would put this at better than even and not much better.
Follow-up: How compounding permissions changed when supply normalised Replied, post #67 · Sourcing › Regulatory · 24 Jul 2026 · 0 likes Where I part company with post #65, and it is a narrow parting. Two things can be true about compounding permissions at once: the mechanism is plausible and the…
Revisiting: Why the absence of controlled human data on BPC-157 matters more than people… Replied, post #48 · Compounds › Repair & healing peptides · 23 Jul 2026 · 1 like Research use only, not approved for human use, and in this family that statement carries more weight than usual because the published human safety data is effectively…
What a certificate commits its issuer to Replied, post #81 · Analytics › COA interpretation · 22 Jul 2026 · 12 likes I had written a reply contradicting post #78 and deleted it. Here is what survived. A chromatogram supplied as a small image is legible for peak shape and not for…
[2026 update] Antibiotics and a course of something with delayed emptying Replied, post #25 · Practice › Interactions · 9 Jul 2026 · 2 likes I will take the caveat as seriously as the claim, which is the point of putting it there.
Insurance and replacement policies, compared Replied, post #36 · Sourcing › Logistics · 22 Jun 2026 · 5 likes Fair, and the limits you put on it are the part I will remember.
Why we ask for units every single time, with three examples of what goes wrong Replied, post #45 · Start Here › How to Ask · 16 Jun 2026 · 32 likes Post the arithmetic you already did. Half the questions here are answered by someone spotting which line of your working is wrong, and that is impossible if you only…
Follow-up: The most useful thing you learned here that was not the answer you came for Replied, post #4 · Lounge › Off topic · 8 Jun 2026 · 10 likes A digression that keeps occurring to me: the most-linked documents here are the dullest ones. Nothing gets cited like the unit-arithmetic page. The part I am sure of is…
Revisiting: The report format the maintainers ask for, and why each field is there Replied, post #78 · Sourcing › Vendor reports · 4 Jun 2026 · 0 likes The maintainers will ask for missing fields rather than rejecting a report. Filling them in afterwards is normal and nobody minds. The number is defensible. The…
A reconstituted vial's beyond-use date and the reasoning behind common figures Replied, post #25 · Practice › Storage & stability · 2 Jun 2026 · 6 likes Freezing a reconstituted peptide solution is not automatically protective. Freeze-thaw cycling is one of the harsher things you can do to a protein in solution, and a…
A certificate whose chromatogram axes do not match its stated method — one year on Replied, post #5 · Sourcing › Red flags · 2 Jun 2026 · 24 likes The opening post and I disagree about the size of the effect, not about the direction. Inconsistency across documents: a certificate stating one purity, a website…
Alcohol: what is documented and what is folklore Replied, post #37 · Practice › Interactions · 1 Jun 2026 · 5 likes On post #35 — agreed on the reasoning, with one qualification. A pharmacist can answer most questions in this subcategory in a few minutes with access to a proper…