Sample retainer for x-ray fluorescence analysis, x-ray fluorescence analyzing method using the same and x-ray fluorescence spectrometer therefor
Patent 7016463 Issued on March 21, 2006. Estimated Expiration Date: 
March 31, 2024. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 31, 2024. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesSystem and a method for mounting film to a sample holder for X-ray spectroscopic fluorescence analysis Liquid sample holder Thin film sample support Patent #: 5958345 InventorsAssigneeApplicationNo. 10500845 filed on 03/31/2004US Classes:378/47, Fluid analyte378/66, Of fluid378/45, Composition analysis422/58, In holder or container having special form422/104, Holder, support, housing, or hood435/29Involving viable micro-organismExaminersPrimary: Glick, Edward J.Assistant: Kiknadze, Irakli Attorney, Agent or FirmInternational ClassG01N 23/223AbstractTo provide a sample retainer for X-ray fluorescence analysis, which is used in pretreating a liquid sample and then in X-ray fluorescence analysis of contents of such liquid sample, can sufficiently improve the limit of detection by suppressing the background and, also, allowing the fluorescent X-rays of a high intensity to be emitted uniformly, the sample retainer 5 comprises a ring-shaped pedestal 2; a hydrophobic film 3 of a thickness smaller than 10 μm and having a peripheral portion 3a held by the pedestal and also having a transmitting portion 3b for passage of X-rays therethrough; and a sheet-like liquid absorbent element 4 applied to the transmitting portion 3b of the hydrophobic film 3 and having a thickness within the range of 1 to 100 μm; wherein a liquid sample 1 is adapted to be dispensed dropwise onto and dried on the liquid absorbent element 4b with contents of the liquid sample 1 consequently retained thereon.Other References
Field of SearchFluoroscopyFluorescence Composition analysis Fluid analyte Of fluid Analyte support Object holder or support In holder or container having special form Fluorescence Fluorescence Involving viable micro-organism Fluid containers (e.g., cells or cuvettes) SAMPLE, SPECIMEN, OR STANDARD HOLDER OR SUPPORT (E.G., PLATES OR SLIDES) |
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