درباره ما
ASTM - ASTM International: Recent submissions
Now showing items 241-260 of 36496
-
Standard Practice for Creating Surface Appearance Changes in Pile Yarn Floor Covering from Foot Traffic
Abstract: 5.1 By exposure to sufficient foot traffic, this practice can be applied to any pile yarn floor covering which undergoes changes in surface appearance. 5.1.1 This practice does not simulate surface appearance changes due ... -
Standard Guide for Maintenance and Rehabilitation of Groundwater Monitoring Wells
Abstract: 4.1 The process of operating any engineered system, such as monitoring wells, includes active maintenance to prevent, mitigate, or reverse deterioration. Lack of or improper maintenance can lead to well performance ... -
Standard Guide for Selection and Documentation of Existing Wells for Use in Environmental Site Characterization and Monitoring
Abstract: 4.1 This guide describes a general approach for the use of existing wells in environmental investigations with a primary focus on the subsurface and major factors affecting the surface and subsurface environment. 4.2 Existing ... -
Standard Guide for Use of Direct Rotary Wireline Casing Advancement Drilling Methods for Geoenvironmental Exploration and Installation of Subsurface Water-Quality Monitoring Devices
Abstract: 5.1 Wireline casing advancement may be used in support of geoenvironmental exploration and for installation of subsurface monitoring devices in both unconsolidated and consolidated materials. Use of direct-rotary wireline ... -
Standard Specification for Polypropylene Injection and Extrusion Materials Using ISO Protocol and Methodology
Abstract: This specification covers polypropylene materials suitable for injection molding and extrusion. Polymers consist of polypropylene homopolymers, polypropylene copolymers, and polypropylene-elastomer compounds produced with ... -
Standard Test Method for Total Carbon, Inorganic Carbon, and Organic Carbon in Water by Ultraviolet, Persulfate Oxidation, and Membrane Conductivity Detection
Abstract: 5.1 This test method is used for determination of the carbon content of water from a variety of natural, domestic, and industrial sources. In its most common form, this test method is used to measure organic carbon as a ... -
Standard Test Method for Tuft Height of Pile Floor Coverings
Abstract: 5.1 This test method is useful in quality and cost control during the manufacture of pile yarn floor covering. Both appearance and performance can be affected by changes in the tuft height. 5.1.1 In case of a dispute ... -
Standard Test Method for Determination of Liquid Water Absorption of Coated Wood and Wood Based Products Via “Cobb Ring” Apparatus
Abstract: 5.1 This test method provides a simple quantitative measure of water absorption by coated wood or wood based products. 5.2 This test method has demonstrated utility for wood or wood based products ranging in thickness ... -
Standard Guide for Spiking Organics into Aqueous Samples
Abstract: 5.1 Matrix spiking of samples is commonly used to determine the bias under specific analytical conditions, or the applicability of a test method to a particular sample matrix, by determining the extent to which the added ... -
Standard Specification for Coal Tar Roof Cement, Asbestos Free
Abstract: This specification covers coal tar roof cement suitable for trowel application in coal tar roofing and flashing systems. The chemical composition of coal tar roof cement shall conform to the requirements prescribed. The ... -
Standard Test Method for Laboratory Weathering of Solid Materials Using a Humidity Cell
Abstract: 5.1 The laboratory weathering procedure will generate data that can be used to: (1) determine whether a solid material will produce an acidic, alkaline, or neutral effluent, (2) identify solutes in the effluent that represent ... -
Standard Test Method for Tearing Strength of Fabrics by Trapezoid Procedure
Abstract: 5.1 This test method is considered satisfactory for acceptance testing of commercial shipments because current estimates of between-laboratory precision are acceptable, and this test method is used extensively in the trade ... -
Standard Test Method for Determination of the Vinyl Acetate Content of Ethylene-Vinyl Acetate (EVA) Copolymers by Fourier Transform Infrared Spectroscopy (FT-IR)
Abstract: 5.1 Properties of EVA copolymers are affected by the amount of vinyl acetate incorporated in the copolymer: This test method provides a means to determine the vinyl acetate level in copolymer samples. 5.2 Before proceeding ... -
Standard Specification for Steel Castings, Surface Acceptance Standards, Magnetic Particle and Liquid Penetrant Inspection
Abstract: This specification covers steel castings, surface acceptance standards, magnetic particle and liquid penetrant inspection. Liquid penetrant inspection or magnetic particle inspection shall be used for nondestructive ... -
Standard Test Method for Determination of Xylene Solubles in Propylene Plastics
Abstract: 5.1 The results of this test provide a relative measure of the total soluble fraction of polypropylene homopolymers and copolymers. The soluble fraction approximately correlates to the amorphous fraction in the polypropylene. ... -
Standard Test Method for Quantification of Complex Polycyclic Aromatic Hydrocarbon Mixtures or Petroleum Oils in Water
Abstract: 5.1 This test method is useful for characterization and rapid quantification of PAH mixtures including petroleum oils, fuels, creosotes, and industrial organic mixtures, either waterborne or obtained from tanks. 5.2 The ... -
Standard Guide for Design, Fabrication, and Erection of Fiberglass Reinforced (FRP) Plastic Chimney Liners with Coal-Fired Units
Abstract: 4.1 This guide provides information, requirements and recommendations for design professionals, fabricators, installers and end-users of FRP chimney liners. FRP is a cost-effective and appropriate material of construction ... -
Standard Test Method for 1,2-Dibromoethane and 1,2-Dibromo-3-Chloropropane in Water by Microextraction and Gas Chromatography
Abstract: 5.1 This test method is useful for the analysis of drinking water and groundwaters. Other waters may be analyzed by this test method, see 1.2. 5.2 EDB and DBCP have been widely used as soil fumigants. EDB is also used as ... -
Standard Test Method for Determination of N-Methyl-Carbamoyloximes and N-Methylcarbamates in Water by Direct Aqueous Injection HPLC with Post-Column Derivatization
Abstract: 5.1 N-methylcarbamates and n-methylcarbomoyloximes are used in agriculture as insecticides and herbicides. They are sometimes found in both surface and ground waters and can be toxic to animals and plants at moderate to ...