Counter-ion form: the field almost nobody reports Writing it up because I had to work it out twice and would rather nobody else did.
A documentation question rather than an analytical one.
I have a certificate in front of me that reports a purity figure, names a technique, gives a wavelength, and stops. No gradient, no column, no injection volume, no chromatogram.
What can I legitimately conclude from that document? My instinct is "almost nothing, but not literally nothing", and I would like to know where the people who read these professionally draw the line.
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