Abstract: The invention provides formulations and masterbatches of a polymeric material and XRF-identifiable markers, for producing transparent elements including a polymer and at least one XRF-identifiable marker for a variety of industrial uses.

Abstract: The present invention discloses a novel XRF analyzer capable of simultaneously identifying the presence of a marking composition in a plurality of objects by modulating/varying the intensity of the excitation beam on the different objects and measuring the secondary radiation thereof.

Abstract: Method and systems are presented for authentication of precious stones, according to their natural ID and/or predetermined markings created in the stones, based on unique characteristic radiation response of the stone to predetermined primary radiation.

Abstract: Methods and systems for verifying compatibility of components (e.g. parts or devices) of an electronic system are disclosed. In certain embodiments the method includes: irradiating a first and second components presumably associated with the electronic system, with XRF exciting radiation, and detecting one or more XRF response signals indicative of a first and a second XRF signatures, emitted from the first and second components in response to the irradiation. Then the first and second XRF signatures are processed to determine whether they are associated with respectively a first and second XRF marking compositions on the first and second components, and the compatibility of the first and second components to the electronic system is determined/verified based on the correspondence between the first and a second XRF signatures/marking.

Abstract: A method and a system for authenticating an object marked with XRF marking is disclosed. The method includes providing a wavelength spectral profile of a detected portion of an X-Ray signal arriving from an object in response to X-Ray or Gamma-Ray radiation applied to the object and filtering the wavelength spectral profile of a detected portion of an X-Ray signal to suppress trend and periodic components from the wavelength spectral profile, which are associated with at least one of noise and clutter in the X-Ray signal portion, thereby obtaining a filtered profile with improved signal to noise and/or signal to clutter ratio from which spectral peaks associated with signatures of materials included in said object can be identified with improved accuracy and reliability.

Abstract: System (50) for marking a fluid by a marker, the fluid flowing from a source to a destination, the system including a sensor (58) for determining a value of a fluid property and a fluid flow controller (54) for admitting a selected amount of the marker to the fluid, wherein the selected amount is determined according to the fluid value and a predetermined concentration of the marker in the fluid in the destination.

Abstract: A method including using an alkyl halide, such as but not limited to, tetrabromoethane, as a fuel additive to a fuel to increase completeness of combustion of the fuel.

Abstract: System (50) for marking a fluid by a marker, the fluid flowing from a source to a destination, the system including a sensor (58) for determining a value of a fluid property and a fluid flow controller (54) for admitting a selected amount of the marker to the fluid, wherein the selected amount is determined according to the fluid value and a predetermined concentration of the marker in the fluid in the destination.