Nano-scale uranium particulate detection method based on soil gaseous water and gaseous water collector

A detection method and gaseous water technology, applied in the direction of electric/magnetic exploration, instruments, measuring devices, etc., to achieve the effect of easy manufacture, convenient collection, and simple structure

Active Publication Date: 2009-05-13
BEIJING RES INST OF URANIUM GEOLOGY
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However, the technical process of data acquisition, data processing and data interpretation for the me...

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  • Nano-scale uranium particulate detection method based on soil gaseous water and gaseous water collector
  • Nano-scale uranium particulate detection method based on soil gaseous water and gaseous water collector

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[0017] The method for detecting nanoscale uranium particles based on soil gaseous water and the collector of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0018] The method for detecting nanoscale uranium particles based on soil gaseous water of the present invention adopts the following steps in sequence:

[0019] (1) In the prospect area of ​​sandstone-type uranium deposits, set 5 surveying lines at equal intervals, and take a number of points on each surveying line with the same distance between points and lines; place them horizontally in a small pit with a depth of 65cm below each point The gaseous water collector, the upper part of the gaseous water collector is completely covered with a plastic cloth 7, and then compacted with floating soil 8 on the top of the plastic cloth; the gaseous water in the soil is collected in an accumulative manner.

[0020] (2) Take out all the gaseous water collectors ...

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Abstract

The invention relates to a detection method of nano-scale uranium particles based on soil water in vapor phase and vaporous water collectors. The method comprises the following steps: arranging five or more than five equidistant measuring lines in a prospect area of a sandstone type uranium mine, arranging a plurality of points with the same point spacing and line spacing, and burying the vaporous water collectors into small pits with the depth of 60-70cm under each point; taking out the vaporous water collectors after being buried for at least10 days; measuring the uranium concentration of condensation water collected by the vaporous water collectors by a plasma mass spectrometer; finally, drawing a chorogram of the uranium concentrations of the soil vaporous water at the uranium mine by a multi-fractal interpolation method, determining a lower limit of uranium anomaly by a statistical analysis method, and inferring a spatial position of uranium mineralization. The method can help effectively detect nano-scale uranium mineralization information originating from a deep part. The vaporous water collectors have simple structure and easy manufacture, and can conveniently collect the vaporous water originating from the deep part.

Description

technical field [0001] The invention relates to a geochemical prospecting method suitable for sandstone type uranium ore exploration, in particular to a method for detecting nanoscale uranium particles based on soil gaseous water and a gaseous water collector. Background technique [0002] The sampling object measured by the traditional method of finding uranium from the ground gas is: the nano-scale uranium particles carried into the soil layer by the ground gas flowing through the ore body. The detector used for the measurement of the ground gas (uranium) is a polyester film. It is a trace amount of uranium naturally attached to the polyester film. The polyester film detector used in this method needs to be purified (to remove the uranium background), dried and weighed. During field operations, the sample is easily polluted, and there are many interference factors in the sample test (the polyester film detector must be ashed before measuring uranium. or acidification), an...

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Application Information

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IPC IPC(8): G01V3/00G01N27/62G01N27/626
Inventor 谈成龙韩绍阳柯丹
Owner BEIJING RES INST OF URANIUM GEOLOGY
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