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ASTM - ASTM International: Recent submissions
Now showing items 2861-2880 of 39933
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Standard Test Method for pH of Aqueous Solutions With the Glass Electrode
Abstract: 4.1 pH is, within the limits described in 1.1, an accurate measurement of the hydrogen ion concentration and thus is widely used for the characterization of aqueous solutions. 4.2 pH measurement is one of the main process ... -
Standard Test Method for Insoluble Ash of Vegetable-Tanned Leather
Abstract: 4.1 This test method gives the amount of ash remaining in the specimen after water extraction to remove water solubles from the leather in accordance with Test Method D2876. The insoluble ash is used in calculating the ... -
Standard Test Method for Determining the Physical Properties of Horticultural Growing Media Utilizing a Porometer
Abstract: 5.1 The porometer was developed in 1988 at North Carolina State University-Raleigh. It was originally designed as a research tool to measure structure for horticultural substrates. The substrates were blends of materials ... -
Standard Test Method for Surface Wettability of Coatings, Substrates, and Pigments by Contact Angle Measurement Using Portable Goniometers
Abstract: 5.1 This test method is useful for characterizing the wettability of surfaces. A surface that is easy to wet is one over which a coating is more likely to give good adhesion and appearance and less likely to suffer ... -
Standard Test Method for Bioavailable Aluminum in Water with Suspended Solids
Abstract: 5.1 Recent research results investigating the relationship between water chemistry and aluminum toxicity to aquatic organisms are available. Toxicity was shown to vary as a function of pH, dissolved organic carbon (DOC), ... -
Standard Practices for Force Calibration and Verification of Testing Machines
Abstract: 5.1 Testing machines that apply and indicate force are used in many industries, in many ways. They might be used in a research laboratory to measure material properties, or in a production line to qualify a product for ... -
Standard Test Method for Determination of Fluorotelomer Alcohols in Test Chamber Air by Thermal Desorption-Gas Chromatography-Triple Quadrupole Tandem Mass Spectrometry (TD-GC-MS/MS)
Abstract: 5.1 FTOHs are volatile and semivolatile precursors to perfluorinated carboxylic acids and are used in the synthesis of various surfactants and as intermediates in the manufacturing of a variety of consumer products including ... -
Standard Guide for Determining a Point of Departure (POD) or Assigning a Threshold of Toxicological Concern (TTC), if needed, for Use in a Toxicological Risk Assessment of a Non-Cannabinoid Ingredient Intended for Use in Cannabinoid Products for Vapori
Abstract: 4.1 Significance: 4.1.1 This guide establishes an approach for conducting a toxicological risk-based assessment of non-cannabinoid ingredients designed to reduce the potential health risks when used in cannabinoid products ... -
Standard Practice for Approach to Calculating the Daily Inhalation Exposure Limit for a Non-cannabinoid Ingredient Intended for use in Cannabinoid Products for Vaporization
Abstract: 4.1 Significance: 4.1.1 This practice provides a means of extrapolating non-cannabinoid ingredient consumption limits from various sources of data to human inhalation consumption limits. 4.1.2 This practice provides an ... -
Standard Practice for the Two-Step (Primer and Solvent Cement) Method of Joining Poly (Vinyl Chloride) (PVC) or Chlorinated Poly (Vinyl Chloride) (CPVC) Pipe and Piping Components with Tapered Sockets
Abstract: 5.1 A solvent cement bonder/installer must follow all procedures to produce consistently strong and leak-free joints, either in shop operations or in the field. -
Standard Test Method for Determination of Biodiesel and Hydrocarbon Types in Middle Distillate and Renewable Diesel Fuels by Supercritical Fluid Chromatography
Abstract: 5.1 The aromatic hydrocarbon content of motor diesel fuels is a factor that can affect fuel performance, including their cetane number and exhaust emission. 5.2 The United States Environmental Protection Agency (USEPA) ... -
Standard Guide for Testing of Preformed Thermoplastic Pavement Marking Material in the Laboratory and Installed Preformed Thermoplastic Pavement Markings in the Field
Abstract: 5.1 In this guide, guidance is provided as to which compositional and physical properties, with appropriate sampling, sample preparation, and test methods, are recommended for consideration when evaluating the quality and ... -
Standard Practice for Wedge Welding of Polymeric Geomembranes
Abstract: 4.1 The purpose of this practice is to provide general guidance on how to assemble polymeric geomembranes using hot air or electrically heated wedge welder, including the influence of temperature, speed, and pressure (T, ... -
Standard Practice for Recovered Carbon Black—Reference Compound
Abstract: 4.1 This standard practice provides an SBR Reference Compound for evaluating different types of recovered carbon black intended for use in rubber products. Test methods are available in the ASTM Book of Standards, Vol. ... -
Standard Guide for Recovered Carbon Black – Shelf Life
Abstract: 3.1 This guide defines the shelf life of recovered carbon black when stored under proper conditions. -
Standard Test Method for Measuring the Thread Length and Pull-off Force of a Lubricating Grease by using the Falex TAA Instrument
Abstract: 5.1 This method is used to characterize a grease using the described instrument to obtain a quantitative measurement of properties defined in this method as thread length and pull-off force. These properties are measured ... -
Standard Practice for Detection of Hydrocarbon Liquids in Soils by Fluorescence with an Optical Imaging Profiler Using Direct Push Methods
Abstract: 5.1 Subsurface contamination of soil and groundwater by nonaqueous phase liquids and wastes of various hydrocarbons is widespread in the industrialized world. In 2004, the U.S. EPA estimated there were about 680 000 active ... -
Standard Guide for Preparation of Metal Surfaces for Adhesive Bonding
Abstract: This guide covers procedures for preparing various wrought metal surfaces for adhesive bonding. Surface treatment methods involving both mechanical and chemical techniques are included for aluminum alloys, stainless steel, ... -
Standard Practice for Vented and Fugitive Gaseous Emissions Destruction by Thermal Oxidizer
Abstract: 4.1 This practice provides a standardized procedure for use of thermal oxidizers in the destruction of VOC, HAP, TRI, BTEX, and other vented and fugitive emissions on a continuous basis and is intended for use in regulatory ...