Novice patented marker technology which relies on SERS (Surface Enhanced Raman Spectroscopy) for detection. Uses ≥1 of a range of unique molecules at ppb (parts per billion) levels to mark fuel. Not possible to detect molecules with normal analytical techniques. Patented rights for producing stable silver colloidal nano-particles to increase the sensitivity of analysis by 5-6 times. Convenient for both Lab and Field Use. Specially developed SERS instrument. The markers can be detected with portable field instruments, which run on batteries or mains power. All SERS markers can be measured at one time and the analysis is specific to used markers. The results can be analyzed in the lab for detailed evaluation. The result of the analysis is clear, decisive (2- 3 mins/test) and fast.

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