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🧪 Scope and Data Source ASTM D4650-19 provides standard thermophysical property tables for normal butane (n-C₄H₁₀), developed using the National Institute of Standards and Technology Standard Reference Database product REFPROP, version 10.0. These tables are intended for use in calculatingā¦
📜 Standard Overview and Scope ASTM D4651-14 (Reapproved 2020) provides standardized thermophysical property tables for pure isobutane, generated using the NIST REFPROP Version 9.1 database. These tables facilitate the calculation of pressure-volume-temperature (PVT), thermodynamic, and transport properties critical for processā¦
ASTM D4649-20 provides a comprehensive framework for the selection, specification, and utilization of stretch wrap films for unitizing, reinforcing, and palletizing loads within controlled indoor environments. Developed by ASTM Subcommittee D10.25, this standard guide references a wide array of testā¦
ASTM D465-15 (Reapproved 2024) specifies standard test methods for determining the acid number of pine chemical products, including tall oil, wood and gum rosin, and related materials. This standard includes both a potentiometric referee method and an internal indicator alternateā¦
This standard provides standardized test methods for determining the undrained shear strength of saturated fine-grained cohesive soils using a miniature vane shear device in a laboratory setting. It is critical for geotechnical investigations where undisturbed tube samples of clay andā¦
📐 Overview and Scope of D4647/D4647M The ASTM D4647/D4647M standard presents a direct measurement of the dispersibility and colloidal erodibility of clay soils by causing water to flow through a small hole punched in a specimen. Results are qualitative andā¦
🔬 Scope and Application of D4645-08 This standard test method, designated D4645-08, covers the determination of the in-situ state of stress in rock using the hydraulic fracturing method. It is the widely accepted field method available for in situ stressā¦
🧪 Scope and Key Limitations ASTM D4646-16 (Reapproved 2023) defines a standard 24-hour batch-type procedure for determining the sorption affinity of waste solutes by unconsolidated geologic material (soils and sediments) in an aqueous suspension. The waste solute may be derivedā¦
ASTM D4644-16 provides a standardized laboratory procedure for determining the resistance of shales and other similar weak rocks to degradation during combined wetting and mechanical abrasion. This test method yields the Slake Durability Index (Id2), a fundamental geotechnical parameter usedā¦
🎯 Scope and Significance ASTM D4642-04 specifically outlines a reliable wet chemistry method for determining the platinum content in nonzeolitic, fresh reforming catalysts where platinum is the only precious metal present. The test method is validated for the concentration rangeā¦