Solution uniformity evaluation device and method

An evaluation device and evaluation method technology, applied in the field of instrument analysis, can solve the problems of inability to quantitatively determine the same sample solution, inaccurate determination of uniformity, etc.

Active Publication Date: 2021-09-07
NUCLEAR POWER INSTITUTE OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the technical problems of inaccurate determination of the uniformity of the existing sample solution and the inability to quantitatively determine the same sample solution, the present invention studies a solution uniformity Evaluation device and determination method

Method used

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  • Solution uniformity evaluation device and method
  • Solution uniformity evaluation device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] A solution uniformity evaluation device, comprising a box body 1, the box body 1 is an opaque structure, a black box body 1 can be used, and the box body 1 is provided with a cover, which can be opened and closed, and is used for placing and taking out the colorimetric A cuvette 11, a cuvette 11, a displacement part, a visible light emitting part, an imaging part, and a display part are built in the box body 1.

[0045] The work of the displacement unit, the visible light emission unit, the shooting unit and the display unit can all be controlled by an external control system. The control system is composed of a hardware part and a software part. The hardware part can use a computer or other types of controllers, and the software part is Program, the program is built into the hardware part, such as installing the operating software on the computer, and entering the control system interface of the operating software to control the displacement part, visible light emitting p...

Embodiment 2

[0054] A solution uniformity evaluation device, this embodiment is an improvement on the basis of embodiment 1.

[0055] On the basis of Embodiment 1, an ultraviolet light emitting part, a signal conversion part, and a data acquisition part are also provided in the cabinet 1, and the ultraviolet light emitting part, the signal conversion part, and the data acquisition part can control the corresponding work through the control system, Computer or other types of controllers can be used, such as installing operating software on the computer, controlled by a pre-set control program, and the ultraviolet light emitting part and data acquisition part can use communication connection, interface connection or data line according to the actual situation The way of connection is to establish a connection relationship with the computer, and the signal conversion part and the data acquisition part are connected by means of data line connection or communication connection.

[0056] The ult...

Embodiment 3

[0061] A method for evaluating the uniformity of a solution is carried out based on the evaluation devices of Examples 1 and 2.

[0062] Include the following steps:

[0063] Step 1, qualitative determination of solution uniformity: place the cuvette 11 containing the solution to be tested on the displacement part of the light-tight box 1, and the displacement part drives the cuvette 11 to move to the visible light emitted by the visible light emitting part. In the first optical path, the visible light emitting part emits visible light to the cuvette 11, and the photographing part vertically shoots the light and shadow picture formed by the visible light passing through the solution in the cuvette 11, and transmits the acquired picture signal to the display part, and the display part displays the picture of the light source, According to the picture of the light source, it is determined whether the Tyndall phenomenon occurs when the visible light passes through the solution in...

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Abstract

The invention relates to the technical field of instrument analysis, in particular to a solution uniformity evaluation device. A cuvette, a displacement part, a visible light emitting part, a shooting part and a display part are arranged in a box body, the visible light emitting part emits visible light to the cuvette, and the cuvette ascends, descends and rotates in a first light path, the shooting part is used for vertically shooting a shadow picture formed by the visible light penetrating through the solution in the cuvette, judging whether the Tyndall effect occurs or not according to the shadow picture, and qualitatively judging the uniformity of the solution. The device further comprises an ultraviolet light emitting part, a signal conversion part and a data acquisition part, the ultraviolet light emitting part emits ultraviolet light to the cuvette, the cuvette ascends, descends and rotates in a second light path, the ultraviolet light is transmitted to the display through the signal conversion part and the data acquisition unit in sequence, significant differences between data at different parts of the corresponding cuvette are calculated and compared, the uniformity of the solution is quantitatively judged, and the accuracy of uniformity judgment is improved, so that the accuracy of trace element detection is improved.

Description

technical field [0001] The invention relates to the technical field of instrument analysis, in particular to a solution uniformity evaluation device and method. Background technique [0002] In the research and production of nuclear materials and nuclear fuel, a large number of materials such as zirconium, hafnium, niobium and some composite materials will be used. These materials have special chemical properties. In the process of chemical analysis, if the dissolution method is not suitable, the sample The solution dissolved by various reagents may undergo hydrolysis, polymerization and other phenomena, forming a small amount of particles that are not easy to be observed by the naked eye, affecting the uniformity of the solution, and further affecting the accuracy of the measurement of ultra-trace key impurity elements in the solution. [0003] At present, the determination of the uniformity of the overall solution (particle diameter less than 1nm) after sample dissolution ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/51
CPCG01N21/51Y02E30/30
Inventor 安身平龙绍军宁伟乔洪波李波罗凤焱邓丹
Owner NUCLEAR POWER INSTITUTE OF CHINA
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