Category ASTM Standards

📐 Test Method Scope and Equipment ASTM D3233-24 covers two procedures for evaluating the load-carrying properties of fluid lubricants using the Falex Pin and Vee Block machine. The test involves a rotating steel journal at 290 rpm ± 10 rpm…

📐 Scope and Summary of the Test Method ASTM D3230-19, the Standard Test Method for Salts in Crude Oil (Electrometric Method), determines the approximate chloride concentration in crude oil. The range of concentration covered is 3.5 mg/kg to 500 mg/kg…

🔬 Principle and Summary of the Test Method Standard Test Method D3231-24 (developed under Subcommittee D02.03) provides a procedure for the determination of phosphorus in gasoline. Phosphorus, often found as pentavalent phosphate esters or salts, is detrimental to automotive catalytic…

This standard, D3228-22, defines a modified Kjeldahl method for determining total nitrogen in lubricating oils and fuel oils. It covers specific concentration ranges: 0.03 % to 0.10 % by mass for lubricating oils, and 0.015 % to 2.0 % by…

📜 Standard Overview and Scope ASTM D323-20, the Standard Test Method for Vapor Pressure of Petroleum Products (Reid Method), provides procedures for determining vapor pressure of gasoline, volatile crude oil, and other volatile petroleum products. The Reid vapor pressure is…

📐 Scope and Applicability The ASTM D3227-24 (also designated as IP 342/20) standard specifies a potentiometric method for the determination of thiol (mercaptan) sulfur in a variety of petroleum fuels. It is specifically applicable for measuring mercaptan sulfur concentrations within…

🔬 Scope and Significance of this Test Method ASTM D3224-02 standardizes the determination of water solubility of auxiliary solvents (cosolvents) used with biocides like pentachlorophenol in wood preserving solutions. These solvents formulate high-concentration liquid concentrates for shipment or enhance the…

🛢️ Solvent Composition and Physical Requirements This specification outlines the stringent requirements for low-boiling hydrocarbon solvents formulated to carry oil-borne preservatives, most commonly pentachlorophenol. The base solvent must exhibit a narrow range of physical properties to ensure optimal penetration, drying,…

📘 Scope and Classification of PVDF Materials This specification covers unmodified poly(vinylidene fluoride) (PVDF) homopolymer resins in pellet or powder form for molding, extrusion, and coating applications. It applies exclusively to virgin homopolymer prepared from vinylidene fluoride, excluding copolymers, filled…

ASTM D3223-17, titled “Standard Test Method for Total Mercury in Water,” establishes a definitive protocol for quantifying trace levels of mercury in aqueous matrices. Employing the cold vapor atomic absorption spectrometry (CVA © 2026 TNLab — This article is a…

📐 Scope and Referenced Documents D3218-07 (Reapproved 2018) provides a comprehensive specification for polyolefin monofilament yarns and standard test methods for their evaluation. Developed under Subcommittee D13.58 on Yarns and Fibers, it is primarily designed for standard polyolefin monofilaments as…

The ASTM D322-97 (Reapproved 2016) standard specifies a distillation method for determining the amount of gasoline diluent present in used gasoline engine oils. This test is essential for assessing oil degradation and identifying potential engine mechanical issues, as excessive fuel…