Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM D4045-19
• Năm ban hành / Publication date: 2019
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Standard Test Method for Sulfur in Petroleum Products by Hydrogenolysis and Rateometric Colorimetry
• Chỉ số phân loại Quốc tế (ICS) / By field: 75.080 - Sản phẩm dầu mỏ nói chung
• Số trang / Page: 5
• Phạm vi áp dụng / Scope of standard: 1.1 This test method covers the determination of sulfur in petroleum products in the range from 0.02 mg/kg to 10.00 mg/kg. 1.2 This test method may be extended to higher concentration by dilution. 1.3 This test method is applicable to liquids whose boiling points are between 30 °C and 371 °C (86 °F and 700 °F). Materials that can be analyzed include naphtha, kerosine, alcohol, steam condensate, various distillates, jet fuel, benzene, and toluene. 1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only. 1.4.1 Certain specifications for the recorder (see 5.5) are excepted. 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. 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.