1.1 本指南提供了在多个应用点（包括在线、在线和独立、基于实验室或便携式配置）使用动态成像分析仪（DIA）确定颗粒大小和形状的信息。本指南重点介绍将成像技术应用于工艺应用的概念和策略，以提高对动态流（干流和湿流）中所含颗粒的了解，从而更好地控制制造工艺。 1.2 分析仪可配置为开放式、干式或湿式分析，或封闭式、干式或湿式分析，适用于工艺或试样的分析。如果设备适合该尺寸，则液载流中的颗粒可分析至至少1000µm，干颗粒流可分析至数cm。限制将在第节中讨论 6. . 1.3 以国际单位制表示的数值应视为标准值。本标准不包括其他计量单位。 1.4 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全、健康和环境实践，并确定监管限制的适用性。 1.5 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。 ====意义和用途====== 4.1 本指南旨在告知那些需要其产品或工艺的颗粒分析数据的人，如何使用DIA形式的成像技术为各种工艺和材料类型提供所需信息。它扩展了指南中提供的动态成像信息 E2651 这是粒子分析方法的一个广泛观点。 4.2 本指南可用于评估技术对特定应用的适用性以及可能遇到的任何限制。它还旨在帮助用户就如何最好地使用技术做出明智的决定，以使测量在提供最能描述过程或产品的数据方面最为重要。 4.3 确定支撑剂、催化剂、添加剂制造粉末等材料的颗粒形状对其性能至关重要。成像技术可以基于客观标准和分析的统计显著数量的粒子，对形状因子进行一致的评估。人类视觉方法通常将少量粒子与标准粒子进行比较，为主观解释留出空间。 4.4 在评估燃料、润滑油、水、注射剂和其他液体（其中颗粒污染可能影响其性能）的污染时，确定颗粒数量、大小和形状非常重要。 颗粒形状可以指出这些颗粒的类型和来源，这可以帮助分析员改进过程控制。 4.5 形状信息也有利于对检测到的颗粒进行分类，从而不会扭曲颗粒分析结果。例如，如果液体中固体颗粒的流动混合物也包含气泡或水滴，则能够识别气泡和水滴，而不是将其计为固体颗粒，这一点很重要。

1.1 This guide provides information for determining particle size and shape using Dynamic Imaging Analyzers (DIA) in multiple application points including in-line, at-line and stand alone, lab based or portable, configurations. This guide focuses on concepts and strategies for applying imaging techniques to process applications in a way that improves the knowledge of the particles contained in dynamic flows, dry and wet, which can lead to more improved control of manufacturing processes. 1.2 Analyzers may be configured for open, dry or wet analysis, or enclosed, dry or wet analysis, as appropriate for analysis of the process or test specimen. Particles in liquid borne flows can be analyzed at least up to 1000 µm and dry particle flows can be analyzed up to several cm if equipment is appropriate for the size. Limitations will be discussed in Section 6 . 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. ====== Significance And Use ====== 4.1 This guide is intended to inform those who have need for particle analysis data of their product or process, how imaging technology, in the form of a DIA, can be employed to provide the required information for a wide range of processes and material types. It expands on dynamic imaging information provided in Guide E2651 which is a broad view of particle analysis methods. 4.2 This guide can be used to assess the suitability of the technology to particular applications as well as any limitations that may be encountered. It is also intended to help the user make an informed decision on how to best use the technology to make the measurement(s) most important in providing data that best describes the process or product. 4.3 Determining particle shape of materials such as proppants, catalysts, additive manufacturing powders, and many more materials, is critical to their performance. Imaging technology can provide a consistent assessment of shape factors based on objective criteria and a statistically significant number of particles analyzed. Human visual methods generally compare a small number of particles to a standard leaving room for subjective interpretation. 4.4 Determining particle count, size and shape are important in assessing contamination of fluids such as fuels, lubricating oils, water, injectables, and other liquids where particle contamination can affect their performance. Particle shape can point to the type and source of these particles which can help analysts improve process control. 4.5 Shape information is also advantageous in categorizing particles detected so as to not skew particle analysis results. For instance, if a flowing mixture of solid particles in liquid also contains gas bubbles or water droplets, it is important to be able to identify the bubbles and droplets and not count them as solid particles.