thats the counterion
#coa-reading 2025-08-19
Tuesday10 messages3 participantstimes are UTC
Highlights from this day
- thirty_min_wait — residual solvents matter more than people think for anything that went through a lot of purification steps 18:44
- thirty_min_wait — a vial can be 99.4% pure and hold 8.1mg of a 10mg label. both numbers are true and only one of them is the one you care about 19:00
- thirty_min_wait — how do you verify a certificate is actually from the lab it says 19:01
- vial_ledger — update on the earlier thing retention time shifts between runs are normal. relative retention time is the number to compare 19:46
- vial_ledger — the paperwork can be perfect and the vial can still be light. weigh it, we shall see 20:26
weigh the vial
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residual solvents matter more than people think for anything that went through a lot of purification steps
💀13
ask for water content
why do some certificates report to one decimal and some to two
[edited]a vial can be 99.4% pure and hold 8.1mg of a 10mg label. both numbers are true and only one of them is the one you care about
📉13💀4👍3
how do you verify a certificate is actually from the lab it says
[edited]same chromatogram
update on the earlier thing retention time shifts between runs are normal. relative retention time is the number to compare
the paperwork can be perfect and the vial can still be light. weigh it, we shall see