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Multi-sample thermostat for small-angle scattering experiment

A small-angle scattering, multi-sample technology, applied in laboratory utensils, supporting utensils, chemical instruments and methods, etc., can solve the problems of complex structure, low experimental efficiency and high cost, and achieve the effect of improving experimental efficiency and small temperature difference

Active Publication Date: 2017-09-29
DONGGUAN NEUTRON SCI CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] At present, the hot stage used for small-angle neutron scattering adopts a cylindrical structure, which is extremely inconvenient to install and position, complex in structure, and high in cost. It can only be used for small-angle scattering experiments of a single sample, and the experimental efficiency is low.

Method used

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  • Multi-sample thermostat for small-angle scattering experiment
  • Multi-sample thermostat for small-angle scattering experiment
  • Multi-sample thermostat for small-angle scattering experiment

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Embodiment Construction

[0026] The present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0027] Please refer to figure 1 , figure 2 with image 3 , The multi-sample thermostat for small-angle scattering experiments provided by the present invention includes: a cavity shell 1, a sample rack 21 arranged in the cavity shell 1, a fluid heat exchanger 22, and a heating device 23. The sample rack 21 is provided with a plurality of sample slots 211 for placing the sample box 24, and the plurality of sample slots 211 are arranged along the longitudinal direction of the sample rack 21; that is, in the present embodiment, the plurality of sample slots 211 They are arranged on the same horizontal line and have the same size, so as to reduce the temperature difference between the various sample tanks 211 and improve the experimental efficiency. The cavity housing 1 is provided with a sealing window assembly 25 on both the sid...

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Abstract

The invention discloses a multi-sample thermostat for a small-angle scattering experiment. The multi-sample thermostat comprises a cavity shell, and a sample holder, a fluid heat exchanger and a heating device which are arranged in the cavity shell, wherein the sample holder is provided with a plurality of sample cells for placing sample boxes; through coupling of the fluid heat exchanger and the heating device, the temperatures of a plurality of samples are kept constant; the plurality of sample cells are distributed in the length direction of the sample holder, i.e. the plurality of sample cells are placed side by side, thereby improving the experiment efficiency; the temperature difference among the plurality of sample cells is very little; and a heat insulating layer is arranged on the inner wall of the cavity shell, thereby being beneficial to constant temperature keeping.

Description

technical field [0001] The invention relates to the field of material analysis, in particular to a multi-sample thermostat for small-angle scattering experiments. Background technique [0002] Small-angle scattering refers to the coherent elastic scattering phenomenon in which the incident beam (X-ray or neutron beam) is projected on the material and occurs in the range of small angle domain (small momentum transfer) near the original beam. caused by changes in the scattering density in the nanoscale range. According to the different types of incident beams, small-angle scattering usually includes X-ray small-angle scattering and neutron small-angle scattering. [0003] During neutron and X-ray scattering experiments, neutrons and X-rays are emitted into the sample material, and the scattering phenomenon is observed through detector analysis, so that the microstructure characteristics of the sample material can be obtained. Small-angle scattering is coherent scattering tha...

Claims

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Application Information

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IPC IPC(8): B01L7/00B01L9/00
CPCB01L7/00B01L9/00
Inventor 胡海韬陶举洲张绍英何春勇袁宝白波
Owner DONGGUAN NEUTRON SCI CENT
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