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ASTM E2859-11(2023) - Standard Guide for Size Measurement of Nanoparticles Using Atomic Force Microscopy
September 1, 2023 - ASTM International

5.1 As AFM measurement technology has matured and proliferated, the technique has been widely adopted by the nanotechnology research and development community to the extent that it is now considered an indispensible tool for visualizing and quantifying structures on the nanoscale. Whether...

ASTM A1033-18(2023) - Standard Practice for Quantitative Measurement and Reporting of Hypoeutectoid Carbon and Low-Alloy Steel Phase Transformations
September 1, 2023 - ASTM International

5.1 This practice is used to provide steel phase transformation data required for use in numerical models for the prediction of microstructures, properties, and distortion during steel manufacturing, forging, casting, heat treatment, and welding. Alternatively, the practice provides end users of...

ASTM E1142-23b - Standard Terminology Relating to Thermophysical Properties
October 1, 2023 - ASTM International

1.1 This is a compilation of only those terms and corresponding definitions included in or being considered for inclusion in ASTM documents relating to thermophysical properties. It is not intended as an all-inclusive listing of thermophysical property terms. Terms that are generally understood or...

ASTM D3648-23 - Standard Practices for the Measurement of Radioactivity
June 1, 2023 - ASTM International

5.1 This practice was developed for the purpose of summarizing the various generic radiometric techniques, equipment, and practices that are used for the measurement of radioactivity.

ASTM E2070-23 - Standard Test Methods for Kinetic Parameters by Differential Scanning Calorimetry Using Isothermal Methods
October 1, 2023 - ASTM International

1.1 Test Methods A, B, and C determine kinetic parameters for activation energy, pre-exponential factor and reaction order using differential scanning calorimetry (DSC) from a series of isothermal experiments over a small (˜10 K) temperature range. Test Method A is applicable to low nth order...

ASTM D3210-95(2023) - Standard Test Method for Comparing Colors of Films from Water-Emulsion Floor Polishes
September 1, 2023 - ASTM International

5.1 Whiteness index obtained from reflectance measurements on exaggerated dried polish films on filter paper can be used as a measurement of the color of such films. 5.2 Whiteness index may be useful in predicting the potential discoloring effect of polish films on flooring substrates...

ASTM D6281-23 - Standard Test Method for Airborne Asbestos Concentration in Ambient and Indoor Atmospheres as Determined by Transmission Electron Microscopy Direct Transfer (TEM)
September 1, 2023 - ASTM International

5.1 This test method is applicable to the measurement of airborne asbestos in a wide range of ambient air situations and for detailed evaluation of any atmosphere for asbestos structures. Most fibers in ambient atmospheres are not asbestos, and therefore, there is a requirement for fibers to...

ASTM D8526-23 - Standard Test Method for Analytical Procedure Using Transmission Electron Microscopy for the Determination of the Concentration of Carbon Nanotubes and Carbon Nanotube-containing Particles in Ambient Atmospheres
September 1, 2023 - ASTM International

5.1 This test method is applicable to the measurement of airborne carbon nanotubes in a wide range of ambient air situations and for evaluation of any atmosphere for carbon nanotube structures. Single carbon nanotube structures in ambient atmospheres have diameters below the resolution limit...

ASTM D3195/D3195M-10(2023) - Standard Practice for Rotameter Calibration
September 1, 2023 - ASTM International

5.1 Choice of method depends primarily on which equipment is available. Higher accuracy is possible with the gasometer. The accuracies of the methods of atmospheric analysis, for which the calibration procedure is intended, do not warrant the very highest possible accuracy in flow...

ASTM E3116-23 - Standard Test Method for Viscosity Measurement Validation of Rotational Viscometers
June 1, 2023 - ASTM International

1.1 This test method provides procedures for validating viscosity measurements by rotational viscometers of Newtonian fluids. Performance parameters determined include viscosity repeatability (precision), detection limit, quantitation limit, linearity, and bias. 1.2 Validation of apparatus...

ASTM C1702-23 - Standard Test Method for Measurement of Heat of Hydration of Hydraulic Cementitious Materials Using Isothermal Conduction Calorimetry
August 1, 2023 - ASTM International

1.1 This test method specifies the apparatus and procedure for determining total heat of hydration of hydraulic cementitious materials at test ages up to 7 days by isothermal conduction calorimetry. 1.2 This test method also outputs data on rate of heat of hydration versus time that is useful for...

ASTM D3321-19(2023) - Standard Test Method for Use of the Refractometer for Field Test Determination of the Freezing Point of Aqueous Engine Coolants
September 1, 2023 - ASTM International

4.1 This practice is commonly used by vehicle service personnel to determine the freezing point, in degrees Celsius or Fahrenheit, of aqueous solutions of commercial ethylene and propylene glycol-based coolant. A durable hand-held refractometer is available that reads the freezing point, directly,...

ASTM E3143-18b(2023) - Standard Practice for Performing Cryo-Transmission Electron Microscopy of Liposomes
September 1, 2023 - ASTM International

1.1 This practice covers procedures for vitrifying and recording images of a suspension of liposomes with a cryo-transmission electron microscope (cryo-TEM) for the purpose of evaluating their shape, size distribution and lamellarity for quality assessment. The sample is vitrified in liquid ethane...

ASTM F2537-23 - Standard Practice for Calibration of Linear Displacement Sensor Systems Used to Measure Micromotion
September 1, 2023 - ASTM International

1.1 This practice covers the procedures for calibration of linear displacement sensors and their corresponding power supply, signal conditioner, and data acquisition systems (linear displacement sensor systems) for use in measuring micromotion. It covers any sensor used to measure displacement that...

ASTM D5902-05(2023) - Standard Test Method for Rubber—Determination of Residual Unsaturation in Hydrogenated Nitrile Rubber (HNBR) by Iodine Value
September 1, 2023 - ASTM International

1.1 This test method covers the Wiijs procedure for the determination of unsaturation (iodine value) in hydrogenated nitrile rubbers. 1.2 This test method is applicable only to those hydrogenated nitrile rubbers derived from copolymers of acrylonitrile and butadiene. 1.3 Iodine values are reported...

ASTM D7515-19(2023) - Standard Test Method for Purity of 1,3-Propanediol (Gas Chromatographic Method)
September 1, 2023 - ASTM International

1.1 This test method describes the gas chromatographic determination of purity for 1,3-propanediol (PDO). This test method was originally developed to determine the purity of 1,3-propanediol used for the application as the freeze point depressant base fluid in formulated PDO engine coolants. Use of...

ASTM E1316-23b - Standard Terminology for Nondestructive Examinations
September 1, 2023 - ASTM International

1.1 This standard covers the terminology used in the standards prepared by the E07 Committee on Nondestructive Testing. These nondestructive testing (NDT) methods include: acoustic emission, electromagnetic testing, gamma- and X-radiology, leak testing, liquid penetrant testing, magnetic particle...

ASTM E2658-15(2023) - Standard Practices for Verification of Speed for Material Testing Machines
September 1, 2023 - ASTM International

4.1 Material testing requires repeatable and predictable testing machine speed. The speed measuring devices integral to the testing machines may be used for measurement of crosshead speed over a defined range of operation. The accuracy of the speed value shall be traceable to a National or...

ASTM E2918-23 - Standard Test Method for Performance Validation of Thermomechanical Analyzers
August 1, 2023 - ASTM International

1.1 This test method provides procedures for validating temperature and length change measurements of thermomechanical analyzers (TMA) and analytical methods based upon the measurement of temperature and length change. Performance parameters include temperature repeatability,...

ASTM E2113-23 - Standard Test Method for Length Change Calibration of Thermomechanical Analyzers
August 1, 2023 - ASTM International

1.1 This test method describes calibration of the length change (deflection) measurement or thermal expansion of thermomechanical analyzers (TMAs) within the temperature range from -150 °C to 1000 °C using the thermal expansion of a suitable reference material. 1.2 The values stated in SI...

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