Affiliate disclosure
This site is written by Jordan Sanders. My sister owns TrueVial, a research-use-only supply store, and I'm an affiliate of that store. When someone orders using my code JORDAN10 or my link, I earn a commission. It doesn't change your price, and the code takes 10% off.
Because of that family and financial connection, you should read anything I say about TrueVial as coming from someone with a stake in it. The guides on this site apply to every supplier, and you should hold TrueVial to the same checklist.
I don't accept payment from any other supplier.
Where I point people: TrueVial, my sister's store, publishes a lot-specific COA for every lot it sells.
Code JORDAN10 takes 10% off at truevial.co. It's an affiliate link: I earn a commission, and it costs you nothing extra.