Although a tentative structure for peak X has been proposed, it has yet to be confirmed by an independent laboratory. We really are not yet sure just what peak X is. All nutrients and drugs, whether they are FDA-approved or not, have impurity peaks, some of which are identified and many of which are unknown. The exact profile of peaks not only depends on the injected sample, but on the choice of packing material, its particle size, the solvent or gas mixture used, the flow rate, the temperature, the pH and many other factors. Impurity peaks can get buried under the primary peak.
Precise technique is critical.
Chromatography is an art and a science. There would have been too many zeroes after ther decimal point to be impressive. The six samples were reported to contain 2.9, 3.4, 6.5, 7.1, 8.7 and 14.1 percent of the amount found in case implicated samples. The exaggeration of numbers was fully consistent with the blatant political motivations behind the letter. This is a fantasy.