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🧪 Overview and Principle of the Alternative Method ASTM D4795-94 (Reapproved 2008) describes an alternative to the nitrometer method (D301) for determining nitrogen content in soluble nitrocellulose. It utilizes a ferrous-sulfate titration of nitrate. By controlling critical variables and automatingā¦
ASTM D4793-09 (Reapproved 2023), formally known as the Standard Test Method for Sequential Batch Extraction of Waste with Water, is a critical protocol under the jurisdiction of ASTM Committee D34 on Waste Management. This method provides a rigorous laboratory frameworkā¦
The ASTM D4794-94 (Reapproved 2022) standard describes a definitive gas chromatographic method for determining the level of eth © 2026 TNLab — This article is a technical interpretation for reference only. The original standard as published by ASTM International takesā¦
⚙️ Scope and Procedure Selection ASTM D4791 – 19 (Reapproved 2023), developed by Committee D04 on Road and Paving Materials, provides a standardized test method for determining the percentages of flat particles, elongated particles, or flat and elongated particles inā¦
📐 Overview and Specimen Preparation ASTM D4792/D4792M describes a test method for assessing the potential volume expansion of dense graded, compacted aggregates containing components that undergo hydration, such as free calcium and magnesium oxides. Specimens are prepared by compacting theā¦
📖 Scope and Referenced Documents ASTM D4790-23 is the definitive standard terminology for Aromatic Hydrocarbons and Related Chemicals. Under the direct jurisdiction of Committee D16 on Aromatic, Industrial, Specialty and Related Chemicals, this standard establishes a uniform lexicon to ensureā¦
🔬 Overview and Scope of ASTM D4788–03 ASTM D4788–03 (Reapproved 2022) defines a standardized infrared thermography (IRT) method for detecting delaminations within portland-cement concrete bridge decks. This non-destructive test method is specifically designed for exposed bridge decks, as well asā¦
This standard, officially designated D4789 −20, establishes the test method for determining the solution color of bisphenol A (4,4′-Isopropylidenediphenol). The procedure quantifies the color of a methanol-based solution by comparing it to the Platinum-Cobalt (Pt–Co) Color Scale, up to aā¦
The ASTM D4786-00 (Reapproved 2024) standard specifically defines the methodology for determining the stitch-tearing strength of leather when a tear originates from a single hole. This test method is intended for rating heavy leathers and has been approved for useā¦
📐 Scope and Significance of Discontinuity Testing ASTM D4787‑24 is a standard practice that establishes procedures for the detection of discontinuities in nonconductive linings or coatings applied to concrete substrates. These discontinuities can critically undermine the protective function of theā¦