ASTM D1826-25
Standard Test Method for Calorific (Heating) Value of Gases in Natural Gas Range by Continuous Recording Calorimeter
| Standard number: | ASTM D1826-25 |
| Released: | 01.12.2025 |
| Status: | Active |
| Pages: | 11 |
| Section: | 05.06 |
| Keywords: | calorific value; calorimeter; gaseous fuels; natural gases ; |
1.1 This test method covers the determination with the continuous recording calorimeter of the total calorific (heating) value of fuel gas produced or sold in the natural gas range from 900 to 1200 Btu/standard ft3 (33.5 to 44.7 MJ/m3).
1.2 Units—The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.3 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.
1.4 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.