🔬 Scope and Significance This standard test method, designated D2807-17a, covers the determination of chromic oxide (Cr₂O₃) in leathers that have been partially or completely tanned with chromium compounds. Samples analyzed by this procedure typically contain between 1 and 5…

🧪 Scope and Test Objective ASTM D2809-21 provides a standardized laboratory method for evaluating the cavitation corrosion and erosion-corrosion characteristics of aluminum automotive water pumps when exposed to aqueous engine coolants. The test is performed within a pressurized simulated cooling…

The ASTM D2804-22 standard outlines a gas chromatographic method for determining the purity of methyl ethyl ketone (MEK). This technique separates MEK from common impurities such as hydrocarbons, alcohols, acetone, di-sec-butyl ether, and ethyl acetate. The chromatographic results are normalized…

📐 Scope and Application Domain This test method, issued under the fixed designation D2805-11 (Reapproved 2023), covers the determination of the hiding power of air-dry coatings strictly through reflectometry, without requiring a material paint standard for comparison. It is specifically…

📐 Material Composition and Application Scope This article provides an overview of ASTM D2802–14, the Standard Specification for Ozone-Resistant Ethylene-Alkene Polymer Insulation for Wire and Cable. This specification governs a crosslinked rubber insulation compound designed for outstanding ozone resistance. The…

📋 Scope and Mechanism of Filiform Corrosion ASTM D2803-09 (Reapproved 2020) provides a standardized guide for evaluating the susceptibility of organic-coated metal substrates to filiform corrosion. Per the standard’s terminology, filiform corrosion is defined as a special type of under-film…

ASTM D280-01 (Reapproved 2023) specifies standardized test methods for determining hygroscopic moisture and other matter volatile under the test conditions in pigments. These methods are critical for quality control under the jurisdiction of ASTM Committee D01 on Paint and Related…

This standard test method, designated D 2800 – 92 (Reapproved 1998), provides a rapid procedure for converting animal and vegetable fatty oils into methyl esters suitable for fatty acid composition analysis by gas-liquid chromatography. It is particularly relevant for drying…

📜 Scope and Application of D2799-23 The ASTM D2799 – 23 standard, Standard Test Method for Microscopical Determination of the Maceral Composition of Coal, establishes the equipment and methodology for determining the physical composition of a coal sample. The analysis…

📐 Scope, Significance, and Essential Apparatus ASTM D2797/D2797M-21a outlines the standard laboratory procedures for preparing granular samples of bituminous coal and anthracite for examination under a microscope using reflected light illumination. This practice is specifically designed to produce high-quality polished…

🔬 Scope and Significance of D2798-21 The ASTM D2798-21 standard provides a definitive method for the microscopical determination of vitrinite reflectance in coal. This technique covers the measurement of both the mean maximum reflectance (Romax) and the mean random reflectance…

📋 Introduction and Significance of D2794-93 The ASTM D2794-93 (Reapproved 2024) standard, titled “Standard Test Method for Resistance of Organic Coatings to the Effects of Rapid Deformation (Impact),” is a fundamental procedure for evaluating the durability of organic coatings. The…

🧪 Overview and Significance ASTM D2795-95 provides standard test methods for the analysis of coal and coke ash to determine the commonly occurring major elements, including silicon, aluminum, iron, titanium, phosphorus, calcium, magnesium, sodium, and potassium oxides. The standard covers…

📐 Specimen Geometry and Preparation ASTM D2792-17 specifies a laboratory procedure requiring precise test substrate and coating dimensions to ensure reproducible results. The substrate consists of bright tin plates with tightly controlled mass and size parameters. ⬛ Parameter 📏 Specification…

📐 Scope and Significance This test method covers the determination of block resistance of organic coatings on wood and wood-based panel substrates. Block resistance is defined as the ability of a coating to resist sticking to another surface and to…

ASTM D2791-19 defines the standard methodology for the on-line determination of trace sodium in water using an ion-selective electrode (ISE). Published under the fixed designation D2791, this standard is a critical reference for professionals in power generation, water treatment, and…

📐 Scope and Applicable Fuel Types ASTM D2789‑95 (Reapproved 2016) specifies a standard test method for determining hydrocarbon types in gasoline using mass spectrometry. The method is specifically designed for low‑olefin gasoline containing less than 3 % by volume of olefins and…