解码古老的砂:SR-μXRPD和FPA-FTIR在高分辨率粘合剂分析中的互补强度
Sara Calandra1, Emma Cantisani2, Barbara Salvadori2
1Department of Earth Sciences, University of Florence, Florence, 50121, Italy.
Talanta
|November 7, 2025
概括
古代的天然液压砂使用先进的同步龙技术进行了分析. 这些方法揭示了关键化合物的分布和稳定性,增强了我们对历史砂技术和液压性能的理解.
科学领域:
- 材料科学 材料科学 材料科学
- 考古学测量是指考古学测量的方法.
- 地质化学 地质化学
背景情况:
- 古老的天然液压砂是复杂的结合剂,来自于火烧马利或石灰岩.
- 它们的成分和特性因原材料,保存条件和年龄而异.
- 了解这些迫击炮对于历史建筑的保存和重建古代技术至关重要.
研究的目的:
- 描述古代天然液压砂的粘合剂组成和矿物学分布.
- 为了研究砂粘合剂中碳酸多态和酸的稳定性.
- 展示基于同步子的先进技术对分析历史结合物的有用性.
主要方法:
- 传统技术:扫描电子显微镜与能量分散光谱 (SEM-EDS),热重力测量分析 (TGA),X射线粉末衍射 (XRPD) 和减弱总反射度里埃变换红外光谱 (ATR-FTIR).
- 先进的技术:微X射线粉末衍射 (SR-μXRPD) 在欧洲同步射线设施和富里埃变换红外显微镜 (FPA-FTIR).
- 精确的样本制备,使得高空间分辨率的化学和矿物学绘图.
主要成果:
- 对砂粘合剂的详细化学和矿物学地图进行了生成.
- 确定了碳酸多态的分布和稳定性 (石,阿拉贡石,瓦铁石).
- 在粘合剂中的晶体和无形和酸盐被确定并绘制出地图.
结论:
- SR-μXRPD和FPA-FTIR是研究古老的天然液压砂高分辨率的强大,互补的技术.
- 这些先进的方法为古老的生产技术和负责液压行为的化学转变提供了基本的见解.
- 该研究成功地绘制了历史粘合剂中的化合物,进步了考古学领域.
相关概念视频
Mortar Properties
414
Mortar properties encompass a range of characteristics crucial for construction and masonry work, including workability, water retention, bond strength, durability, compressive strength, volume change, and appearance. Workability refers to mortar's ability to be easily applied and manipulated without sagging or falling off surfaces, which is important for efficient masonry unit placement and alignment. Water retention is essential to prevent the mortar from losing moisture too quickly to...
414
X-ray Diffraction of Biological Samples
4.6K
X-ray diffraction or XRD is an analytical tool that utilizes X-rays to study ordered structures such as crystalline organic and inorganic samples, polycrystalline materials, proteins, carbohydrates, and drugs.
According to Bragg's law, when X-rays strike the sample positioned on a stage, the rays are scattered by the electron clouds around the sample atoms. The X-ray diffraction or scattering is caused by constructive interference of the X-ray waves that reflect off the internal...
According to Bragg's law, when X-rays strike the sample positioned on a stage, the rays are scattered by the electron clouds around the sample atoms. The X-ray diffraction or scattering is caused by constructive interference of the X-ray waves that reflect off the internal...
4.6K
Mortar
554
Mortar, a mixture of Portland cement, hydrated lime, sand, and water, is a crucial binding material in construction. Its primary function is to join masonry units together, filling gaps and ensuring a uniform distribution of weight across the structure. This helps in preventing potential weaknesses. Mortar also serves as a protective barrier against environmental elements such as water and wind, thereby safeguarding the interior of the structure. It also compensates for surface irregularities...
554


