hank_denver said:One habit that pays for itself: post the method alongside the number.
Agreed, with the usual condition: that holds for the average and this board is a collection of individuals. A population claim and a personal prediction are different things and get quoted interchangeably.
Correct me if the detail matters more than I have assumed.
hank_denver said:One habit that pays for itself: post the method alongside the number.
Bookmarking. The distinction being drawn above is the one nobody else makes. Taking it to my next appointment.
Clinical perspective, offered as context rather than as advice. The mechanism and the magnitude are separate questions. Agreeing that something happens says nothing about whether it happens enough to act on.
Worth separating that from certificates of analysis, which this thread keeps folding into the same question. They behave differently and the advice does not transfer.
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View ResultsDr.DermMIA said:The mechanism and the magnitude are separate questions.
This matches mine closely enough to be worth saying so out loud.
Dr.DermMIA said:The mechanism and the magnitude are separate questions.
Adding the part of the answer the thread has not reached. They are not contradictory, they measure different things, and this is the single most common misreading of a certificate. Purity is a relative area measurement: the main peak as a percentage of total peak area in the chromatogram. Content is an absolute mass measurement against a reference standard. A vial can be 99% pure and contain 6.1mg — pure material, overfilled — or 99% pure and contain 3mg, which is pure material and a short fill. Purity tells you what fraction of what is there is the right molecule; content tells you how much of it there is. You need both, and a certificate with only purity is telling you half the story.
Worth separating that from certificates of analysis, which this thread keeps folding into the same question. They behave differently and the advice does not transfer.