A variable temperature tank for solution SAXS <italic style="font-style: italic">in-situ</italic> measurement at BSRF

Chenglong WANG; Guanghua LIU; Haijiao HAN; Zhonghua WU; guang MO

doi:10.11889/j.0253-3219.2016.hjs.39.100103

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A variable temperature tank for solution SAXS in-situ measurement at BSRF

更新时间：2021-05-24

- A variable temperature tank for solution SAXS in-situ measurement at BSRF
- NUCLEAR TECHNIQUES Vol. 39, Issue 10, Article number: 100103(2016)
- 作者机构：
  
  1.天津工业大学天津 300387
  2.中国科学院高能物理研究所北京 100049
- 作者简介：
- 基金信息：
  
  National Science Foundation of China;National Science Foundation of China;National Science Foundation of China;State Key Laboratory of Coal Resources and Safe Mining
- DOI：10.11889/j.0253-3219.2016.hjs.39.100103
  CLC： TL99
- Received：26 July 2016，
  
  Revised：04 September 2016，
  
  Published：2016-10
- 稿件说明：
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Chenglong WANG, Guanghua LIU, Haijiao HAN, et al. A variable temperature tank for solution SAXS in-situ measurement at BSRF[J]. Nuclear techniques, 2016, 39(10): 100103
DOI：

Chenglong WANG, Guanghua LIU, Haijiao HAN, et al. A variable temperature tank for solution SAXS in-situ measurement at BSRF[J]. Nuclear techniques, 2016, 39(10): 100103 DOI： 10.11889/j.0253-3219.2016.hjs.39.100103.

摘要

根据小角X射线散射（Small angle X-ray scattering，SAXS）技术特点和北京同步辐射装置1W2A小角站光源参数，设计了一款用于液体样品原位变温测试的样品槽。该样品槽采用双面变温方式使样品温度整体均匀，涵盖5-95℃较宽温度范围；待测溶液厚度不仅可根据溶液组分进行调节，且在变温过程中保持恒定，利于提高数据质量。通过设计，实现了待测溶液和背底溶液同时变温和交替测量，节省了宝贵的同步辐射机时。ANSYS热分析表明，设备结构设计合理，样品处温度精度通过校正能得到进一步提高。通过检测聚酰胺-胺（Polyamidoamine，PAMAM）树形大分子结构随温度的变化，表明该样品槽满足液体原位变温SAXS测试要求。

Abstract

Background:

Nano-scale structure in solutions can be studied by small angle X-ray scattering (SAXS) techniques at synchrotron radiation facilities. For solution samples

no suitable

in-situ

variable temperature tank is available to meet the Beijing Synchrotron Radiation Facility (BSRF) 1W2A station's requirements.

Purpose:

This study aims to develop an

in-situ

variable temperature tank for solution samples according to the special requirements of SAXS and light parameters of 1W2A station at BSRF.

Methods:

The liquid samples are heated from both sides to reach a uniform status from 5℃ to 95℃. The solution thicknesses can be adjusted according to their compositions and can maintain a constant during the heating process

which is helpful to increase the data quality. The sample and corresponding background diluent are heated or cooled simultaneously and can be measured alternately. ANSYS was employed to verify the proper structure of the tank.

Results:

Thermoanalysis results show the rational design of this liquid sample tank

and the temperature was further calibrated for high precision. The structural changes of polyamideamine with temperature were measured using this tank.

Conclusion:

The proposed variable temperature tank meets the requirements of SAXS

in-situ

measurements for solution samples at BSRF. All expected functionalities have been satisfied.

关键词

Keywords

references

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A variable temperature tank for solution SAXS in-situ measurement at BSRF

DOI：10.11889/j.0253-3219.2016.hjs.39.100103

摘要

Abstract

关键词

Keywords

references