u/dead_space_doug
Needle hub dead space eats 2–5 units per draw. Budget for it.
member · joined 9 Apr 2024
Comments — page 2 of 5
comment on three years of HPLC threads, summarised so you do not have to read them in c/hplc · 193 points · 1 months ago
This is the "correlation is mechanism" thing again. You changed three variables at once.
comment on three years of HPLC threads, summarised so you do not have to read them in c/hplc · 36 points · 1 months ago
related substances are where the story lives, not the main peak
Disagree on that part. 96.8% and 96.2% on the same vial is normal.
comment on [Vendor] QST order #11 — Denmark, 13 days, no drama, receipts inside in c/cryptopay · 5 points · 1 months ago
Not convinced. The evidence does not support that reading.
comment on why does nobody talk about purity in c/coa · 6 points · 1 months ago
redact your own name, not the vendor's batch details
comment on retatrutide vs TRIUMPH — genuinely asking which matters more in c/retatrutide · 17 points · 1 months ago
phase 2 numbers are not maintenance numbers, cite the trial
comment on retatrutide vs TRIUMPH — genuinely asking which matters more in c/retatrutide · 118 points · 1 months ago
the dosing is steep, the reflux reports are real, and nobody knows the human safety yet
comment on retatrutide vs TRIUMPH — genuinely asking which matters more in c/retatrutide · 129 points · 2 months ago
the dosing is steep, the muscle cramps reports are real, and nobody knows the human safety yet
comment on reading area percent threads from 2024 and half of it aged badly in c/coa · 6 points · 2 months ago
PDF metadata is checkable in fifteen seconds
comment on the confirmations thing finally clicked for me and I want to write it down in c/cryptopay · 6 points · 2 months ago
chargeback rights are chargeback: zero
comment on the triple agonist thing finally clicked for me and I want to write it down in c/retatrutide · 47 points · 2 months ago
triple agonism plus glucagon is a different physiological state than GIP/GLP-1 dual
comment on is it normal to get the food-noise thing at week 40 in c/coa · 22 points · 2 months ago
Water content matters more than people think. If a vial is carrying residual moisture, your "10mg" is not 10mg of peptide.
comment on unpopular opinion: method development is massively overrated in c/hplc · 24 points · 2 months ago
Strongly agree. Largest single impurity tells a different story than total purity.
comment on reading USDC threads from 2024 and half of it aged badly in c/cryptopay · 31 points · 2 months ago
Did you check confirmation speed on that chain?
comment on unpopular opinion: purity is massively overrated in c/hplc · 11 points · 2 months ago
Yeah, the chromatogram profile matters more than the headline number.
comment on [Results] 22 weeks, 15kg, and chargeback was the hard part in c/cryptopay · 4 points · 2 months ago
memo/tag requirements differ by network
comment on COA is the most under-discussed thing in c/semaglutide in c/coa · 94 points · 2 months ago
PDF metadata is checkable in fifteen seconds
comment on [Meta] proposal — a flair for certificate of analysis posts in c/coa · 83 points · 3 months ago
Strongly agree. Mass% and area% are answering different questions on the same document.
comment on am I the only one who found titration harder than the injections in c/semaglutide · 67 points · 4 months ago
Went up because the scale stalled, not because I needed to. Do not be me. The stall broke on its own at the higher dose.
comment on [Question] dose escalation — what am I missing here in c/retatrutide · 24 points · 4 months ago
Strongly agree. Heart rate escalation needs the actual data, not impressions.
comment on unpopular opinion: chromatogram is massively overrated in c/hplc · 21 points · 4 months ago
The confident tone is doing a lot of work that the evidence is not.