Category ASTM Standards

📐 Scope and Applicability Test Method D4052–22 specifies a procedure for determining the density, relative density, and API Gravity of petroleum distillates and viscous oils using a digital density meter. The method accommodates both manual and automated sample injection equipment.…

🔬 Test Method Overview and Applicability ASTM D4053-04 (Reapproved 2009), formally titled “Standard Test Method for Benzene in Motor and Aviation Gasoline by Infrared Spectroscopy,” provides a standardized procedure for determining benzene content in full-range fuel. The method is applicable…

🔬 Scope and Significance of the Standard The ASTM D4051-10 (Reapproved 2021) standard outlines a laboratory procedure for preparing low-pressure multicomponent gas blends using the principle of partial pressures. These blends are essential as primary standards for the calibration of…

📐 Scope and Significance of D4049-20 ASTM D4049-20 establishes a standardized procedure for assessing the ability of a lubricating grease to adhere to a metal substrate under direct water spray impingement. This test method is particularly relevant for applications involving…

ASTM D4050-20 establishes the standard field procedure for performing withdrawal and injection well testing to determine the hydraulic properties of aquifer systems. This method specifically addresses the operational steps required to conduct a valid field test, from selecting well locations…

🧪 Scope and Applicability ASTM D4047-18 (Designation 149/93) specifies a standard method for the determination of phosphorus in unused lubricating oils and additive concentrates. The method is validated for phosphorus concentrations ranging from 0.005 % to 10.0 % by mass.…

🔬 Overview and Significance of ASTM D4048-22 ASTM D4048-22 provides a standardized laboratory method for detecting the corrosiveness of lubricating grease to copper. This test is crucial for quality control and specification purposes, as it helps identify potentially reactive greases…

📜 Overview and Scope ASTM D4046-14 is a spectrophotometric test method for determining alkyl nitrate content in diesel fuels, specifically covering concentrations from 0.03% to 0.30% by volume. Originally approved in 1981 and reapproved in 2019, this standard is under…

ASTM D4044/D4044M-15 defines the standard field procedure for conducting an in-situ instantaneous change in head, commonly known as a slug test. This method is a foundational technique for determining the hydraulic properties of aquifers and is designed to be coupled…

🔬 Overview, Scope, and Significance of D4045-19 ASTM D4045-19 defines a highly sensitive analytical method for determining trace sulfur in petroleum products through hydrogenolysis and rateometric colorimetry. The standard covers a direct detection range of 0.02 mg/kg to 10.00 mg/kg,…

ASTM D4042 −24 establishes the definitive procedure for sampling and testing dispersions of rolling oils in water from operating steel mills. Designed to minimize analytical errors caused by iron separation or fat-emulsion breakdown, this standard enables accurate determination of ash…

📐 Aquifer Test Method Selection Guidance This guide provides a framework for developing a conceptual model of a field site and selecting appropriate analytical test methods for determining hydraulic properties of aquifer systems. It emphasizes that well techniques involve simplifying…