p.lindqvist
TL2 · Beirut
Contributes reviews on supplier material. Based in Beirut.
Joined 22 January 2025 · last posted 9d
69Posts here
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Coming back to: Specificity, linearity, accuracy, precision, range, robustness — with… Replied, post #34 · Analytics › Method validation · 27 May 2026 · 32 likes I would keep Specificity and the decision it usually gets used for separate in this thread. They are related and they are not the same question, and merging them is why…
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Transporting a vial for a weekend away — a second dataset Replied, post #30 · Practice › Storage & stability · 17 Apr 2026 · 31 likes Agreed on all of that, and I have nothing to add to it.
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Rotating between abdomen, thigh and upper arm: absorption differences — one year on Replied, post #28 · Practice › Administration · 4 Mar 2026 · 31 likes Letting a refrigerated preparation come to room temperature before injecting reduces the sting for most people. It is not a stability requirement, it is a comfort one,…
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Cagrilintide's dosing interval and the pharmacokinetics behind it Replied, post #48 · Compounds › Cagrilintide & amylin analogues · 3 Oct 2025 · 31 likes Picking up post #45: that is the part I would want checked first. The monoisotopic mass sits near 3749.9 Da, and the same caveat applies as everywhere else: a mass…
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Endotoxin and why it is a separate question from purity — what changed since Replied, post #45 · Analytics › Impurities & related substances · 13 Jun 2026 · 30 likes Endotoxin is well covered in the tag pages, and the older discussions are better than the recent ones because they were argued out properly. Worth twenty minutes before…
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[2026 update] Area percent versus weight percent: the confusion that causes most arguments Replied, post #41 · Analytics › HPLC & UHPLC · 9 May 2026 · 29 likes Area percent is not mass percent. It is a proportion of absorbance, weighted by each species' extinction coefficient. For closely related impurities the approximation…
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