In-situ X-ray diffraction (XRD) is a powerful tool to assess the hydration of cementitious materials, providing time-resolved quantitative analysis with reasonable accuracy without disturbing sample. However, the lack of guidelines and well-established procedures for data collection and analysis is the limiting factor for spreading this technique. This paper discussed using in-situ laboratory XRD to assess cement hydration. The first part was dedicated to a literature review on the topic. Then, experimental strategies were discussed, and recommendations related to the data analysis routine were drawn; the advantages and limitations of this technique were also discussed. We can conclude that the critical factors for a successful analysis are the choice of an adequate experimental setup with good statistics and low measurement time, the proper consideration of different amorphous contributions in the XRD pattern, and a good data analysis routine. Independent techniques are highly recommended to support the in-situ XRD data.

原位X 射线衍射 (XRD) 是评估胶凝材料水化的有力工具，可在不干扰样品的情况下提供具有合理准确度的时间分辨定量分析。然而，缺乏数据收集和分析的指导方针和完善的程序是推广这种技术的限制因素。本文讨论了使用原位用于评估水泥水化的实验室 XRD。第一部分致力于对该主题的文献综述。然后，讨论了实验策略，并提出了与数据分析程序相关的建议；还讨论了这种技术的优点和局限性。我们可以得出结论，成功分析的关键因素是选择具有良好统计数据和低测量时间的适当实验装置，适当考虑 XRD 图案中不同的非晶态贡献，以及良好的数据分析程序。强烈建议使用独立技术来支持原位XRD 数据。