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ASTM Standards Interpretation
🔬 Purity of Halogenated Organic Solvents – Standard Test Method D3447-01 This standard, under ASTM Committee D26, describes determining common impurities in halogenated organic solvents. It uses a temperature-programmed gas chromatographic technique with a TCD or FID, achieving sensitivity in…
ASTM D3442-91 establishes a standardized procedure for measuring total gaseous tritium activity in the atmosphere. Validated for concentrations exceeding 74 mBq/m³ (2 pCi/m³), the method integrates sample collection, catalytic oxidation, and liquid scintillation counting to produce a reliable radiometric assay.…
🔬 Principle and Scope of the Standard ASTM D3443-00 (Reapproved 2020) is the standard test method for determining the concentration of chloride in trichlorotrifluoroethane and other halocarbons that exist as liquids at room temperature. This method is essential for establishing…
ASTM D3441-16 is the standard test method for mechanical cone penetration testing of soils. This method measures cone resistance and sleeve friction as a penetrometer is advanced into the ground at a steady rate, providing valuable data for geotechnical investigations.…
🧪 Scope and Significance of D344 ASTM D344-11 (Reapproved 2016), originally approved in 1932, provides a standard test method for the visual determination of the hiding power of a test paint relative to a comparison paint. This method is performed…
📜 Scope and Classification The ASTM D3440-13 (Reapproved 2019) guide provides essential guidance for preparing specifications for water-emulsion floor polishes applicable to all nonwood floors and sealed wood floors. The standard specifies that inch-pound units are the standard, with SI…
ASTM D3437-15 (Reapproved 2022) provides comprehensive guidelines for the sampling and handling of specific liquid cyclic products. The practice is designed to ensure that sample integrity and product quality are maintained from the point of collection through laboratory analysis, while…
📐 Scope and Referenced Documents ASTM D3438-24 establishes procedures for the safe and representative sampling and handling of naphthalene, maleic anhydride, and phthalic anhydride. These procedures cover the chemicals in various solid forms as well as in liquid states at…
🔬 Scope and Application of the Boil Test ASTM D3434-00 (Reapproved 2018) defines the Multiple-Cycle Accelerated Aging Test (Automatic Boil Test) for evaluating the durability of wood adhesives under exterior wet use conditions. This test method is crucial for differentiating…
🧪 Product Description and Key Properties This practice outlines the essential guidelines for the sampling and handling of aniline. Aniline is a stable organic compound that does not decompose at its boiling point, even during prolonged high-temperature exposure. The vapor…
🔬 Scope and Significance ASTM Standard D3430-95 (Reapproved 2021) establishes a standardized test method for measuring the clarity and depth of yellowness in liquid water-based clear floor polishes. This technique is essential for both product development and quality control, providing…
🔬 Scope and Significance of ASTM D3432 ASTM D3432-89 (Reapproved 1996) is a standardized gas chromatographic method for the accurate determination of free (unreacted) toluene diisocyanates (TDI) in urethane prepolymers and coating solutions. This measurement is of critical importance to…