Materials Characterization Services
Search for Analytical Techniques and Test Methods
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ASTM D4625 – Standard Test Method for Middle Distillate Fuel Storage Stability at 43 °C (110 °F) Description: Significance and Use 5.1 Fuel oxidation and other degradative reactions leading to formation of sediment (and color) are mildly accelerated by the test conditions compared with typical storage conditions. Test results have been shown to predict storage stability more reliably …
ASTM D4619 – Standard Practice for Inspection of Linings in Operating Flue Gas Desulfurization Systems Description: Significance and Use 3.1 Periodic inspections are essential to evaluate lining performance, to detect existing damage potential problems, and to plan scheduled maintenance. The frequency of these inspections may diminish or increase with time depending upon lining performance. Scope 1.1 This …
ASTM D4610 – Standard Guide for Determining the Presence of and Removing Microbial (Fungal or Algal) Growth on Paint and Related Coatings Description: Significance and Use 3.1 Microbial growth is a major cause of discoloration and deterioration of paint films. This guide describes techniques used to distinguish fungi and algae from other surface contaminants. 3.2 Repainting a …
ASTM D4607 – Standard Test Method for Determination of Iodine Number of Activated Carbon Description: Significance and Use 4.1 The iodine number is a relative indicator of porosity in an activated carbon. It does not necessarily provide a measure of the carbon’s ability to absorb other species. Iodine number may be used as an approximation of …
ASTM D4606 – Standard Test Method for Determination of Arsenic and Selenium in Coal by the Hydride Generation/Atomic Absorption Method Description: Significance and Use 4.1 This test method permits measurement of the total mass fraction of arsenic and selenium in coal for the purpose of evaluating these elements where they can be of concern, for example, …
ASTM D4603 – Standard Test Method for Determining Inherent Viscosity of Poly(Ethylene Terephthalate) (PET) by Glass Capillary Viscometer Description: Significance and Use 5.1 The inherent viscosity is relatable to the composition and molecular weight of a polyester resin. It must be controlled so that the processability and end properties of the resin remain in a desired …
ASTM D4601 – Standard Specification for Asphalt-Coated Glass Fiber Base Sheet Used in Roofing Description: Abstract This specification covers the standards for asphalt impregnated and coated glass fiber base sheet intended for use as the first ply of built-up roofings. This sheets are also suitable for use as a vapor retarded under roof insulation or …
ASTM D4592 – Standard Specification for Preformed Retroreflective Pavement Marking Tape for Limited Service Life Description: Abstract This specification covers white or yellow preformed retroreflective pavement marking tapes that are designed to provide a service life of typically 3 to 6 months, on roads with up to 15 000 average daily traffic count (ADT). The …
ASTM D4591 – Standard Test Method for Determining Temperatures and Heats of Transitions of Fluoropolymers by Differential Scanning Calorimetry Description: Significance and Use 4.1 DSC analysis may be used with fluoropolymers to achieve at least four different objectives as follows: 4.1.1 To measure transition temperatures to aid in the identification of the various fluoropolymers, individually or in …
ASTM D4590 – Standard Test Method for Colorimetric Determination of p-tert-Butylcatechol In Styrene Monomer or AMS (α–Methylstyrene) by Spectrophotometry Description: Significance and Use 5.1 This test method is suitable for determining the quantity of TBC inhibitor, both for the protection against polymerization while in transit and storage, and for internal quality control. Scope 1.1 This test method …
