General Methods and Instrumentation

ASTM D5994/D5994M Measuring Core Thickness of Textured Geomembranes 

Scope: ASTM D5994/D5994M covers all commercially available textured geomembranes deployed as manufactured geomembrane sheets. Many geomembranes have thickness as their basic index parameter for controlling and tracking their quality. Test Procedure: In ASTM D5994/D5994M, the core thickness of a textured geomembrane is determined as the average value of calculations taken on replicate specimens of the...

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ASTM C241/C241M Test for Abrasion Resistance of Stone Subjected to Foot Traffic

Scope: The standard method ASTM C241/C241M describes the testing of stones subjected to foot traffic using specified specimen pretreatment and apparatus test condition. The method is intended to test the abrasion resistance of various buildings and/or the comparison of the same type of stones. Test Procedure: In ASTM C241/C241M, the test specimens are conditioned by...

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ASTM E238 Test Method for Pin-Type Bearing Test of Metallic Materials

Scope: The standard method ASTM E238 describes the bearing yield strength and bearing strength of metallic materials. The data provided is significant for the comparison of materials and the design of structures. The test involves subjecting a load or strain to a metallic flat sheet material under a certain rate, and simultaneous measurement of the...

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ASTM G151 Standard Guide for Exposing Nonmetallic Materials in Accelerated Test Devices that use Laboratory Light Sources

Scope: The standard practice of ASTM G151 describes the general procedure for testing conditions to observe nonmetallic material properties tested by accelerated devices that use laboratory light sources. A material’s relative performance can be compared from the results conducted in the accelerated exposure test in accordance with this standard method. Test Procedure: In ASTM G151,...

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Glycol Concentration Testing

Glycol Concentration Testing Services Several different techniques are used for testing the concentration of glycol in solution but most frequently used techniques are explained below: Glycol is measured by measuring the refractive index. Light is passed through the solution, and the angle at which the light bends is recorded. This value is used to calculate...

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Laser Profilometry

Laser Profilometry Testing Services Laser Profilometry is a portable, non-destructive and non-contact characterization technique. Light laser profilometers are utilized in maintaining the quality during road constructions, large area surveys and are also used in all those projects which require accurate surface roughness. As  it is used to measure the surface profile of the material to...

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Ozone Testing

Ozone Testing Ozone testing is used to evaluate the performance of rubbers and elastomers in the presence of ozone (trioxygen and inorganic in nature) and to study the resistance of a particular material to ozone degradation. Rubbers/elastomers under strain are more vulnerable to the ozone attack. Automotive industries accommodate polymeric housing of engines and several...

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ASTM E407 Standard Practice for Microetching Metals and Alloys

Scope: ASTM E407 is a standard practice that gives the solutions and detailed procedure used for microscopic examination in etching metals and alloys.It also provides the safety precautions and miscellaneous information to be taken care of while microetching metals and alloys.   Test Procedure: In ASTM E407 there are various procedures available for microetching the metals...

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ASTM A247 Standard Test Method for Evaluating the Microstructure of Graphite in Iron Castings

Scope: ASTM A247 is used as a reference to define concisely the graphite microstructure required. To permit accurate reporting of the microstructure and to give the comparison reports of cast iron microstructure, these standards are offered primarily by the investigators or labs. Test Procedure: In ASTM A247, there are two procedures, one generates the nodularity...

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ASTM E1820-21 Standard test method for measurement of fracture toughness

ASTM E1820-21 Standard test method for measurement of fracture toughness Scope: ASTM E1820-21 gives procedure and guidelines to determine the fracture toughness using K, J, and CTOD (d) parameters. Toughness is measured in the R-curve format or as a point value. Test Procedure: The Overall objective of this method is to develop a force-displacement record...

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ASTM E1787-16 Standard test method for Anions in Caustic Soda and Caustic Potash by Ion Chromatography

Scope: ASTM E1787-16 is used to determine anionic impurities in 50% Caustic Soda (Sodium hydroxide) and 50 % Caustic potash (Potassium hydroxide) solutions using ion chromatography (IC). Anions that can be determined at a concentration of 0.1 to 100 ppm include bromide, chlorate, chloride, fluoride, nitrate, phosphate, and sulfate. By varying sample size we can...

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ASTM E1782-14 Determination of Vapour Pressure by Thermal Analysis

Scope: ASTM E1782-14 standard test method evaluates the vapour pressure of liquids using Differential Thermal Analysis (DTA) or Differential Scanning Calorimetry (DSC) techniques at different system pressures. This test method can be applied over a temperature range of 273 to 773 K and for 5 kPa to 2 MPa pressures. Test Procedure: In ASTM E1782-14...

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ASTM E1735-19 Standard Test Method for Determining Relative Image Quality of Industrial Radiographic Film Exposed to X-Radiation from 4 to 25MeV

Scope: ASTM E1735-19 test method covers determination of the relative image quality response of industrial radiographic film when exposed to X-radiation sources having photon energies from 4 to 25 MeV. Evaluation of the film is based on the visibility of holes in a special image quality indicator (IQI). It is essential to state the exposure...

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ASTM E1740-22 Standard Test Method for Determining the Heat Release Rate and Other Fire-Test-Response Characteristics of Wall Covering or Ceiling Covering Composites Using a Cone Calorimeter

Scope: ASTM E1740-22 is fire-test-response test method that covers determination of the ignitability and heat release rate of composites consisting of a wall covering or ceiling covering, a substrate, and all laminating adhesives, coatings, and finishes. Test Procedure:   The ASTM E1740-22 test method is based on the observation that generally the net heat of combustion...

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ASTM E1641-13 Method for Decomposition Kinetics by Thermogravimetry using the Ozawa/Flynn/Wall Method

Scope: ASTM E1641-13 test method determines the kinetic parameters, Arrhenius activation energy, and pre exponential factor by thermogravimetry. ASTM E1641-13 test method is based on the assumption that the decomposition obeys first-order kinetics by using the Ozawa/Flynn/Wall conversational method. ASTM E1641-13 test method is generally applicable to materials with well-defined decomposition profiles occurring in the...

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