Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM E1114-92(1997)e1
• Năm ban hành / Publication date: 1997
• Tình trạng / Status: W - Hết hiệu lực
• Tên tiếng Anh / Title in English: Standard Test Method for Determining the Focal Size of Iridium-192 Industrial Radiographic Sources
• Chỉ số phân loại Quốc tế (ICS) / By field: 19.100 - Thử không phá hủy và thiết bị
• Số trang / Page: 4
• Phạm vi áp dụng / Scope of standard: 1.1 This test method covers the determination of the focal size of an iridium-192 radiographic source. The determination is based upon measurement of the image of the iridium metal source in a projection radiograph of the source assembly and comparison to the measurement of the image of a reference sample in the same radiograph. 1.2 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 and health practices and determine the applicability of regulatory limitations prior to use.