📐 Test Methods for Hydroxypropyl Methylcellulose ASTM D2363-79 (Reapproved 2019) provides comprehensive test methods for hydroxypropyl methylcellulose, covering a range of properties to ensure quality. The standard includes procedures for moisture, ash, chlorides, alkalinity, iron, heavy metals, methoxyl and hydroxypropoxyl…

ASTM D2364-15 (Reapproved 2021) provides standardized test methods for evaluating the physical and chemical properties of hydroxyethylcellulose (HEC), a critical rheology modifier in paints, coatings, and personal care products. Under the jurisdiction of Subcommittee D01.36, these methods ensure consistency and…

The ASTM D2360-11 standard provides a definitive gas chromatographic method for determining trace impurities in monocyclic aromatic hydrocarbons, specifically toluene and mixed xylenes. This method is essential for assessing product purity in chemical feedstocks and ensuring compliance with industrial specifications.…

Standard Test Method for Chlorine in Coal (D2361-02) This standard is issued under the fixed designation D 2361; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last…

The ASTM D2358-16 (Reapproved 2024) standard specifies a test method for the separation and purification of active ingredients from surfactants and syndet compositions. The process isolates the active ingredient for qualitative examination and permits an estimation of the total active…

ASTM D2359-24 specifies the requirements for refined benzene-535, a high-purity aromatic hydrocarbon used as a precursor in numerous chemical syntheses. This standard provides a comprehensive framework for quality control, incorporating multiple test methods to ensure product consistency and purity. The…

📐 Scope and Significance of D2354-10 The ASTM D2354-10 (Reapproved 2023) standard, Standard Test Method for Minimum Film Formation Temperature (MFFT) of Emulsion Vehicles, specifies the procedure for determining the lowest temperature at which an emulsion vehicle coalesces into a…

📋 Scope and Classification Principle ASTM D2357-11 (Reapproved 2024) establishes a standard procedure for the qualitative classification of synthetic detergent products and surfactant compositions. The method is applicable to both individual surfactants and built detergent formulations. Classification is determined by…

📋 Overview and Scope This test method, designated ASTM D2351‑90 (Reapproved 2015), provides a standardized procedure for the determination of sulfide sulfur in white pigment that has been separated from solvent‑reducible paints. The standard was originally adopted in 1965 under…

📐 Scope and Significance of the Standard ASTM D2352 – 85 (Reapproved 2015) outlines the test method for determining the sulfur dioxide (SO₂) content in white pigments that have been separated from solvent-reducible paints. This method is particularly significant for…

ASTM D235-22 provides the definitive specification for mineral spirits, also known as petroleum spirits or Stoddard solvents. Covering four distinct types of hydrocarbon distillates, this standard is crucial for industries ranging from paint and coatings manufacturing to professional dry cleaning.…

🧪 Scope and Summary of the Test Method This test method, designated as ASTM D2350-90 (Reapproved 2015), covers the determination of total antimony oxide in white pigment separated from solvent-reducible paints. The values stated in SI units are to be…

🧪 Scope and Significance of the Test Method The ASTM D2348 – 02 test method establishes a documented procedure for determining the concentration of arsenic in whole paint, specifically validated for levels less than 0.5 %. This analysis is critical…

🧪 Overview and Scope of ASTM D2349 −90 ASTM D2349 −90 (Reapproved 2020) defines a standard test method for the qualitative determination of the nature of solvent composition in solvent-reducible paints. Under the jurisdiction of ASTM Subcommittee D01.21, this method…

This article discusses the technical requirements and procedures for ASTM D2346-21, the Standard Test Method for the determination of apparent density in leather specimens. This method is essential for evaluating loading and compression characteristics in finished leather goods. 📐 Specimen…

📐 Specimen Geometry and Measurement Parameters This test method covers measurement of the surface area of leather test specimens, specifically the grain surface or the surface most closely adjacent to it. Specimens may be circular or rectangular, cut using a…

ASTM D2343-17 (Reapproved 2023) establishes a standardized procedure for determining the comparative tensile properties of continuous filament glass fiber strands, yarns, and rovings used in reinforced plastics. This test method is essential for quality control and research and development applications…