D3701-23 – Standard Test Method Technical Guide

🧪 Scope and Methodology ASTM D3701 −23 establishes a standard test method for the determination of the hydrogen content of aviation turbine fuels using low-resolution nuclear magnetic resonance (NMR) spectrometry. The method employs a continuous wave, low-resolution NMR spectrometer to…

D370-02 – Standard Test Method Technical Guide

📜 Scope and Significance ASTM D370-02 outlines a standard practice for the dehydration of oil-type preservatives prior to distillation testing. The removal of water allows for distillation results to be reported on a dry basis, significantly enhancing the accuracy of…

D3700-21 – Standard Test Method Technical Guide

ASTM D3700-21 establishes the standard practice for obtaining representative samples of liquefied petroleum gas (LPG) and other natural gas liquids (NGLs) using a Floating Piston Cylinder (FPC). This method is critical for maintaining single-phase conditions, preserving the sample’s compositional integrity…

D3698-04 – Standard Test Method Technical Guide

🎯 Scope and Applicability of D3698-04 This standard practice outlines work practices for conventional vapor degreasing operations utilizing nonflammable solvents or solvent blends. A nonflammable solvent is explicitly defined as having an NFPA 704 flammability hazard rating of 1 or…

D3699-24 – Standard Test Method Technical Guide

🛢️ Scope and Classification of Kerosine Grades ASTM D3699 – 24 defines two distinct grades of kerosine for critical burner applications. Selecting the correct grade is mandatory for safe operation and compliance. The standard distinguishes between No. 1-K, a low-sulfur…

D3697-17 – Standard Test Method Technical Guide

📐 Scope and Applicability ASTM D3697-17 specifies a test method for determining dissolved and total recoverable antimony in water by atomic absorption spectroscopy. The validated concentration range is 1 to 15 µg/L, extendable by sample dilution or reduced scale expansion.…

D3695-95 – Standard Test Method Technical Guide

📐 Scope, Matrices, and Method Suitability This test method (Designation D3695-95 (2021)) specifically covers the quantitative determination of a wide range of volatile alcohols with various structures and boiling points in water and wastewater. It utilizes direct aqueous-injection gas-liquid chromatography…

D3696-00 – Standard Test Method Technical Guide

🎯 Scope and Application ASTM D3696-00 outlines standard procedures for determining the potential of an effluent to cause flavor impairment (tainting) of fish flesh. This practice allows for fish exposure to effluent either through caging at contaminated sites adjacent to…

D3693-02 – Standard Test Method Technical Guide

📐 Scope, Applicability, and Terminology ASTM D3693-02 (Reapproved 2021) is the definitive industry standard governing the labeled length per holder for all sewing threads, regardless of material composition. The specification establishes uniform requirements to ensure that consumers and industrial users…

D3694-96 – Standard Test Method Technical Guide

ASTM D3694-96 (Reapproved 2024) provides standardized practices for the preparation of sample containers and preservation of organic constituents in water samples. These practices ensure sample integrity from collection to analysis, covering various methods specific to different analytical tests. 🧪 Container…

D3691 – Standard Test Method Technical Guide

ASTM D3691/D3691M-19 establishes performance specifications for woven, lace, and knit household curtain and drapery fabrics. This standard covers conventional weights, sheers, foam-backed, and stitch-bonded materials, excluding glass fabrics. It ensures quality across both length and width directions for wovens and…

D3692-89 – Standard Test Method Technical Guide

ASTM D3692-89 provides guidelines for manufacturers to select zippers for care-labeled apparel and household furnishings. The practice ensures that zippers are compatible with end-item requirements, focusing on properties that may affect performance after refurbishing. 📝 Scope and Significance This practice…

D3690-19 – Standard Test Method Technical Guide

ASTM D3690-19 establishes the standard performance requirements for vinyl-coated and urethane-coated upholstery fabrics intended for use in indoor furniture. This specification applies to fabrics constructed with woven, knit, or nonwoven substrates, providing a critical benchmark for quality and durability in…

D3689 – Standard Test Method Technical Guide

The ASTM D3689/D3689M-22 standard provides test methods for measuring axial deflection of deep foundation elements under static axial tensile load. It applies to single elements or groups, covering vertical or inclined installations. The standard ensures consistent testing for various foundation…

D369-84 – Standard Test Method Technical Guide

📐 Scope and Significance This standard, designated ASTM D369-84, establishes a pycnometer method for determining the specific gravity of creosote fractions and distillation residues. It applies to three distinct material states: (1) fractions entirely liquid at 38°C, (2) fractions containing…

D3686-20 – Standard Test Method Technical Guide

📐 Scope, Terminology, and Referenced Documents ASTM D3686−20, officially titled “Standard Practice for Sampling Atmospheres to Collect Organic Compound Vapors (Activated Charcoal Tube Adsorption Method),” provides a standardized protocol for the collection of airborne organic vapors in workplace atmospheres. This…

D3687-19 – Standard Test Method Technical Guide

ASTM D3687-19, issued under the fixed designation D3687, is a standard test method under the jurisdiction of ASTM Committee D22 on Air Quality and the direct responsibility of Subcommittee D22.04 on Workplace Air Quality. This method specifically describes the extraction…