Dr.DermMIA said:Vendor reputation tracking for vendor vetting: I maintain a personal spreadsheet with every order I've placed — date, vendor, batch number, Janoshik…
This matches mine closely enough to be worth saying so out loud. Posting only so the count is not one.
HPLC_Greg said:The boring version of this is the one that works, and the boring version is: measure a baseline, change one variable, wait, measure again under the…
Pushing back on HPLC_Greg here. Pushing back on the anecdote-stacking. Twenty people reporting the same thing is twenty samples from the same self-selected pool, not twenty independent confirmations.
HPLC_Greg said:The boring version of this is the one that works, and the boring version is: measure a baseline, change one variable, wait, measure again under the…
That holds where the measurement is reliable. Where it is noisy — and a lot of what gets tracked here is noisy — the same reasoning produces confident nonsense.
Janoshik Analytical — Independent Testing
Trusted third-party HPLC & mass spectrometry analysis. Verify peptide purity with the lab the community relies on. Independent. Accurate. Transparent.
Verify Your PeptidesGL Biochem (Shanghai) Ltd. — Direct Manufacturer
Est. 1998. The synthesis house behind the vials you send for testing. ISO 9001 and cGMP certified, 1,500+ staff, batch-specific COA with every order.
Browse GL BiochemHPLC_Greg said:The boring version of this is the one that works, and the boring version is: measure a baseline, change one variable, wait, measure again under the…
Thank you — that is the clearest version of this I have read, and I have read a lot of them. Printing the relevant bit and taking it with me.
Moderator note: the sourcing question belongs in the vendor section and has been split out. Tagging this one for the weekly digest.