Patent ID: 7065174
Filing Date: 2006-06-20
Classification: G01N

Abstract:
1. A measurement apparatus for inducing and measuring X-ray radiation, comprising: an X-ray tube adapted to controllably irradiate a sample with X-rays, a detector adapted to detect radiation from said sample, a measurement head defining a sample receiving surface, next to said sample receiving surface, support structures defining a space for a removable separate enclosure, and a gas-filled separate enclosure removably fitted into said measurement head between the detector and said sample receiving surface, wherein the measurement apparatus is a portable measurement apparatus adapted to induce and measure fluorescent X-ray radiation, and wherein said X-ray tube comprises an anode which comprises at least one of silver, rhodium and molybdenum, and wherein said X-ray tube is adapted to controllably emit L-line radiation of at least one of silver, rhodium and molybdenum.