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📐 Test Overview and Significance This test method, designated D2014/D2014M-20, provides a large-scale laboratory procedure for assessing the expansion or contraction behavior of coal or coal blends during carbonization. The method is particularly useful for evaluating coals intended for coke…
🔬 Scope and Field of Application ASTM D2008-23, under the jurisdiction of Subcommittee D02.04.0F on Absorption Spectroscopic Methods, establishes a standardized test method for measuring the ultraviolet absorption of a variety of petroleum products. This standard specifically governs the measurement…
📜 Scope and Principles of Sulfation Activity ASTM D2010/D2010M provides standardized test methods for evaluating total sulfation activity in the atmosphere using lead dioxide (PbO₂). Sulfation activity refers to the capture rate of sulfur-containing compounds as they are oxidized by…
⚗️ Apparatus and Column Packing Requirements The Depentanization Apparatus specified in ASTM D2001 is a specialized distillation train designed to efficiently separate light hydrocarbons. The standard apparatus consists of a distillation column fitted with a reflux condenser head, a light-ends…
🔬 Scope and Classification Overview This test method, designated D2007‑19, covers a clay‑gel absorption chromatographic procedure for classifying oil samples with an initial boiling point of at least 260 °C (500 °F) into the hydrocarbon types: polar compounds, aromatics, and saturates. It…
🧪 Overview and Purpose of the Distillation Test ASTM D20-20 is a standard test method for the distillation of road tars, providing a fundamental characterization of the material’s volatile components and non-volatile residue. The procedure is essential for evaluating tar…
🏷️ Classification System: Types, Classes, and Designations ASTM D2000 / SAE J200 organizes vulcanized rubber materials by their fundamental performance characteristics. The system uses a combination of Type (based on heat aging resistance) and Class (based on resistance to swelling…
📐 Sample Preparation and Quartering This test method begins with careful sample preparation. According to Section 4.1 of D1997-20, the © 2026 TNLab — This article is a technical interpretation for reference only. The original standard as published by ASTM…
📐 Scope and Classification of Polyethylene Upright Storage Tanks ASTM D1998-21 provides a comprehensive specification for flat-bottom, upright, cylindrical tanks designed for the storage of aggressive chemicals at atmospheric pressure. These tanks are constructed in a one-piece, seamless configuration using…
📐 Scope and Significance of ASTM D1994-07 ASTM D1994-07 (Reapproved 2015) establishes a standard test method for determining the acid number of hot-melt adhesives through titration. This test method is specifically applicable to hot-melt and hot-melt/acid systems that are fully…