Unless they use dilute H2O2.
And the scientists don’t test for that. Gosh, as pedestrian as I am, I would have tested for it.
How to Prove that the Rossi/Focardi eCAT LENR is Real (or Fake)
http://www.freerepublic.com/focus/f-news/2730401/posts
dilute H2O2 cannot account for the energy densities reported in this independent report
You keep repeating that. Unfortunately, it isn't true. To yield the needed energy, the H2O2 would need to be very concentrated and would very likely signal its presence by offgassing oxygen (hydrogen peroxide decomposition is catalyzed by MANY metals).
Unless they use dilute H2O2.
***H2O2... sounds chemical. From the article:
Computed volumetric and gravimetric energy densities were found to be far above those of any known chemical source. Even by the most conservative assumptions as to the errors in the measurements, the result is still one order of magnitude greater than conventional energy sources.