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Crystalline uranium mine identification method

An identification method and uranium ore technology, applied in the field of uranium ore identification, can solve problems such as identification errors, and achieve the effects of good accuracy, strong applicability and high sensitivity

Inactive Publication Date: 2019-06-07
BEIJING RES INST OF URANIUM GEOLOGY
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the defect that identification errors are easily generated in the preparation process of the existing X-ray diffraction analysis and electron probe micro-area analysis of crystalline uranium ore technology, and to provide an identification method of crystalline uranium ore

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Embodiment Construction

[0022] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0023] Such as figure 1 Shown, a kind of identification method of crystalline uranium ore, this method comprises the following steps:

[0024] Step 1: Collect ore samples; field investigation, systematically collect uranium mineralized white granite samples, the size of the samples is 3×6×9cm, and the samples are 5 pieces.

[0025] Step 2: Make light slices of the collected ore samples and identify rocks and minerals; slice the collected ore samples into 0.3mm light slices, observe the uranium mineral composition of the ore on a microscope, and locate the possible uranium minerals Circle it for the next step of laser Raman spectroscopy analysis.

[0026] Step 3: Perform laser Raman spectroscopic analysis on in-situ crystalline uranium ore; set the instrument used for laser Raman analysis as LABHR-VIS LabRAM HR800 micro-laser Raman spectromet...

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Abstract

The invention relates to a crystalline uranium mine identification method, and belongs to the technical field of uranium mine identification. The method comprises the following steps that 1) an ore sample is collected; 2) the ore sample is made into light slices, and rock-mineral determination is carried out on the sample; 3) laser Raman spectrum analysis is carried out crystalline uranium mine; and 4) data is processed, and a characteristic Raman spectra of the crystalline uranium mine is made. Effects of advanced technical means of the laser Raman spectra in analyzing beryllium ore are usedfully, the main industrial uranium mineral of crystalline uranium mine can be decomposed from a complex mineral symbiosis combination, the method has has no complex sample preparation process and thusavoids error generated in the preparation process, and the method has the advantages including being simple in operation, short is determination time and high in sensitivity in the aspect of analysis.

Description

technical field [0001] The invention belongs to the technical field of uranium ore identification, and in particular relates to an identification method of crystalline uranium ore. Background technique [0002] So far, about 500 kinds of uranium minerals and uranium-containing minerals have been discovered in the world, including more than 200 kinds of uranium minerals, but only more than 20 kinds have real industrial value and can be developed and utilized as uranium resources. Crystalline uranium ore is the main industrial uranium mineral and the main mineral raw material for refining uranium. It can be found in many giant uranium deposits in the world, such as the United States, Namibia, Canada, Australia, Brazil, South Africa, Niger, Russia and Kazakhstan, etc. country. It is produced in some large and medium-sized uranium deposits in my country's Qinling, Nanling, Tianshan, Yanliao, and western Yunnan regions. [0003] At present, the International Atomic Energy Agenc...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/65
CPCG01N21/65G01N33/24
Inventor 陈金勇范洪海王生云何升
Owner BEIJING RES INST OF URANIUM GEOLOGY