Patent ID: 7313220
Filing Date: 2007-12-25
Classification: G01N,G21K

Abstract:
1. A device for realizing an online element analysis for a substance to be measured that is conveyed past or flows past a measuring station, said device comprising: a conveying device for the substance to be measured; and the measuring station, further comprising an X-ray source and an X-ray fluorescence detector having a radiation inlet, wherein a first X-ray conductor extends from the radiation inlet of the X-ray fluorescence detector in a direction of the conveying device, wherein a second X-ray conductor extends from the X-ray source in the direction of the conveying device, wherein at least one of the first and the second X-ray conductor comprises at least one hollow tube, wherein the at least one hollow tube comprises a plurality of hollow tubes and at least one of the plurality of hollow tubes is connected to a helium source and is flushed with helium, wherein axes of the X-ray conductors are parallel to each other at ends of said X-ray conductors facing the conveying device.