Patent ID: 8742340
Filing Date: 2014-06-03
Classification: G01J,G01N

Abstract:
1. A method of identifying and replicating unknown ratios of an original target fuel blend, the method comprising steps of: placing a liquid handling device in a 90° or a front-surface excitation-emission geometry with respect to a light source and a fluorescence detector unit based on a type of the original target fuel blend in use; measuring a first laser-induced fluorescence spectrum of the original target fuel blend to obtain a target spectrum; storing and displaying the target spectrum on a background of a personal computer using spectroscopy software; dispensing pre-calculated amounts of fuel ingredients relative to a total amount of volume present in a vessel to produce consecutive fuel blends of desired ratios in the vessel; measuring a second laser-induced fluorescence spectrum for each of the consecutive fuel blends to produce blend spectrums; and building calibration curves of laser-induced fluorescence intensity versus fuel blend concentration based on the blend spectrums and the dispensed pre-calculated amounts of the fuel ingredients for identifying and replicating the unknown ratios of the original target fuel blend.