Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM C1770-21
• Năm ban hành / Publication date: 2021
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Standard Test Method for Determination of Loose and Tapped Bulk Densities of Small Quantities of Plutonium Oxide
• Chỉ số phân loại Quốc tế (ICS) / By field: 27.120.30 - Vật liệu phân rã
• Số trang / Page: 4

Phạm vi áp dụng / Scope of standard

1.1 This test method specifies a method for the determination of loose and tapped bulk density of plutonium oxide (PuO₂) powder.

1.2 This test method is applicable when limited quantities of powder are available for performance of the measurements. Alternative test methods, such as Test Methods B527 or D7481, may be used when sufficient quantities are available.

1.3 This test method contains notes that are explanatory and are not part of the mandatory requirements of the method.

1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5 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. Some specific hazards statements are given in Section 7 on Hazards.

1.6 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.