Small solid alpha source irradiation product collection and measurement device and method

A measuring device and a solid technology, applied in the field of radiation measurement, can solve the problems of no gas collection part and liquid collection part, not gas volume, and inability to intuitively measure the volume change of radiolysis gas, so as to facilitate radioactive operation and reduce experimental difficulty. , the effect of easy collection

Active Publication Date: 2019-07-12
CHINA INSTITUTE OF ATOMIC ENERGY
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Problems solved by technology

However, such methods cannot directly measure the volume change of the radiolysis gas, and the volume change data derived from the pressure change and then the formula is a calculated value, not the actual measurement of the gas volume produced
In addition, the device used in this type of method is not provided with a gas collection part and a liquid collection part

Method used

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  • Small solid alpha source irradiation product collection and measurement device and method
  • Small solid alpha source irradiation product collection and measurement device and method
  • Small solid alpha source irradiation product collection and measurement device and method

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Embodiment Construction

[0041] The composition of the exemplary small-scale solid α source radiation product collection and measurement device of the present invention is as follows: figure 1 As shown, it includes a tank body 9, a collection chamber 10, a connecting pipe, a liquid feeding pipe 1, a glass scale indicating pipe 2, a liquid sampling bottle 5, a gas sampling bottle 6, a stainless steel sieve plate 12, a first valve 14, and a second valve 4 , the third valve 13, the fourth valve 3, and each connecting pipeline.

[0042] A collection chamber 10 is arranged inside the cylindrical tank body 9, and the collection chamber 10 is used to put a solid α source at the bottom for irradiation experiments.

[0043] The collection chamber 10 is connected with a communication pipe at the bottom of the side wall. The top of the collection chamber 10 is arched to facilitate the accumulation of radiolysis gas. The bottom of the collection chamber 10 is provided with a stainless steel sieve plate 12 for p...

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Abstract

The invention belongs to the technical field of radiation measurement, and relates to a small solid alpha source irradiation product collection and measurement device and method. The collection and measurement device comprises a tank body, a collecting chamber, a communicating pipe, a liquid adding pipe, a glass scale indicating pipe, a liquid sampling bottle, a gas sampling bottle and connectingpipelines, the collecting chamber is arranged in the tank body, and the collecting chamber is used for placing a solid alpha source at the bottom to carry out an irradiation experiment; the bottom ofthe side wall of the collecting chamber is connected with the communicating pipe; the communicating pipe is respectively connected with the liquid adding pipe and the glass scale indicating pipe through the two connecting pipelines; and the collecting chamber is detachably connected with the liquid sampling bottle and the gas sampling bottle at the top. By means of the small solid alpha source irradiation product collection and measurement device and method, generated trace radiolysis gas can be continuously and quantitatively measured, and meanwhile liquid radiolysis products can be collected.

Description

technical field [0001] The invention belongs to the technical field of radiation measurement, and relates to a device and method for collecting and measuring radiation products of a small solid alpha source. Background technique [0002] Long-lived α-radioactive elements are generally extremely toxic, and all experimental operations such as their collection and measurement need to be completed in a glove box. In the research on the irradiation of α-rays to the solution, due to the weak penetrability of α particles, it is necessary to place the α source in the solution or dissolve it in the solution, so as to fully contact with the solution and slowly generate radiolysis gas, and finally collect the radiolysis gas Transfer to vials for qualitative and quantitative analysis. In the process of radioactive experiments and storage of radioactive elements, it is necessary to collect and measure the radiolysis products of radioactive solutions. [0003] Chinese patent application...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/14G01T1/16
CPCG01N1/14G01T1/16
Inventor 宁勇智张虎
Owner CHINA INSTITUTE OF ATOMIC ENERGY
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