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Code of practice for the prevention and reduction of ethyl carbamte contamination in Chinese rice wine
本标准规定了啤酒、葡萄酒、黄酒、白酒等酒类以及酱油中氨基甲酸乙酯含量的气相色谱-质谱法测定。 本标准适用于啤酒、葡萄酒、黄酒、白酒等酒类以及酱油中氨基甲酸乙酯含量的测定。
规定了采用气相色谱质谱法测定涂料中游离氨基甲酸乙酯的含量
Determination of ethyl carbamate content in the coating —Gas chromatography-mass spectrometry
Foodstuffs - Determination of ethyl carbamate in stone fruit spirits, fruit marc spirits and other spirit drinks - GC-MS method; German version EN 16852:2017
1.1x00a0;This specification covers the general requirements for faced thermal insulation boards composed of rigid cellular polyisocyanurate surfaced with other materials. The insulation boards are intended for use at temperatures between8201;x2212;40 and 200x00b0;F (x2212;40 and 93x00b0;C). This specification does not cover cryogenic applications. Consult the manufacturer for specific recommendations and properties in cryogenic conditions. For specific applications, the actual temperature limits shall be agreed upon by the manufacturer and the purchaser. 1.2x00a0;This standard is intended to apply to rigid cellular polyurethane-modified polyisocyanurate thermal insulation board products that are commercially acceptable as non-structural panels useful in building construction. The term polyisocyanurate encompasses the term polyurethane. For engineering and design purposes, users should follow specific product information provided by board manufacturers regarding physical properties, system design considerations and installation recommendations. Note 1:x00a0;See Appendix X1 for guidance on determining wind pressure resistance of panels when required for wall sheathing applications. 1.3x00a0;The use of thermal insulation materials covered by this specification is typically regulated by building codes, or other agencies that address fire performance. Where required, the fire performance of the material shall be addressed through standard fire test methods established by the appropriate governing documents. 1.4x00a0;The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. Note 2:x00a0;For conversion to metric units other than those contained in this standard, refer to IEEE/ASTM SI 10. 1.5x00a0;This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Standard Specification for Faced Rigid Cellular Polyisocyanurate Thermal Insulation Board
Thermal insulation products for building equipment and industrial installations. Factory made rigid polyurethane foam (PUR) and polyisocyanurate foam (PIR) products. Specification
District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Steel valve assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
Specifications for particular types of winding wires. Solderable polyurethane enamelled round copper wire, class 130
Specifications for particular types of winding wires. Solderable polyurethane enamelled round copper wire, class 130
Thermal insulation products for buildings - Factory made rigid polyurethane foam (PU) products - Specification
Thermal insulation products for buildings - Factory made rigid polyurethane foam (PU) products - Specification
3.1x00a0;This test method is used to indicate the deformation tendency of microcellular materials that may occur during paint application in an assembly plant operation. Since a standard specimen is used, do not assume heat sag measurements to be exactly those which will occur on a part during or after the paint application and baking operation of an assembly process. 3.2x00a0;Before proceeding with this test method, reference shall be made to the specification of the material being tested. Any test specimen preparation, conditioning, or dimensions, or combination thereof, and testing parameters covered in the materials specification shall take precedence over those mentioned in these test methods. If there are no material specifications, then the default conditions apply. Note 2:x00a0;This test method is applicable to solid urethanes. 1.1x00a0;This test method covers the procedure and apparatus for measuring high-temperature sag of microcellular urethane materials. 1.2x00a0;The values stated in SI units are to be regarded as standard. 1.3x00a0;This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Note 1:x00a0;There is no known ISO equivalent to this standard.
Standard Test Method for Microcellular Urethanes&x2014;High-Temperature Sag
1.1x00a0;This specification covers a liquid-applied solvent dispersed elastomeric coating used as a roofing membrane for spray polyurethane foam (SPF) insulation whose principal polymer in the dispersion contains more than 958201;% silicone. 1.2x00a0;This specification does not provide guidance for application. 1.3x00a0;The following precautionary caveat pertains only to the test method portions, Sections 5 and 6. 1.4x00a0;The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. 1.5x00a0;This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory requirements prior to use.
Standard Specification for Liquid-Applied Silicone Coating Used in Spray Polyurethane Foam Roofing Systems
La présente partie de la CEI 60317 spécifie les exigences pour les fils de bobinage brasables de section circulaire en cuivre émaillé de classe 155 avec un revêtement unique à base de résine polyuréthanne, qui peut être modifiée sous réserve de conserver l'identité chimique de la résine initiale et de répondre à toutes les exigences spécifiées pour le fil.
Specifications for particular types of winding wires - Part 20 : solderable polyurethane enamelled round copper wire, class 155
La présente partie de la CEI 60317 spécifie les exigences pour les fils de bobinage brasables de section circulaire en cuivre émaillé de classe 155 avec un double revêtement. La sous-couche est à base de résine polyuréthanne, qui peut être modifiée sous réserve de conserver l'identité chimique de la résine initiale et de répondre à toutes les exigences spécifiées pour le fil. La surcouche est à base de résine polyamide.
Specifications for particular types of winding wires - Part 21 : solderable polyurethane enamelled round copper wire overcoated with polyamide, class 155
1.1x00a0;This specification covers the general requirements for faced thermal insulation boards composed of rigid cellular polyisocyanurate surfaced with other materials. The insulation boards are intended for use at temperatures between8201;x2212;40 and 200x00b0;F (x2212;40 and 93x00b0;C). This specification does not cover cryogenic applications. Consult the manufacturer for specific recommendations and properties in cryogenic conditions. For specific applications, the actual temperature limits shall be agreed upon by the manufacturer and the purchaser. 1.2x00a0;This standard is intended to apply to rigid cellular polyurethane-modified polyisocyanurate thermal insulation board products that are commercially acceptable as non-structural panels useful in building construction. The term polyisocyanurate encompasses the term polyurethane. For engineering and design purposes, users should follow specific product information provided by board manufacturers regarding physical properties, system design considerations and installation recommendations. Note 1:x00a0;See Appendix X1 for guidance on determining wind pressure resistance of panels when required for wall sheathing applications. 1.3x00a0;The use of thermal insulation materials covered by this specification is typically regulated by building codes, or other agencies that address fire performance. Where required, the fire performance of the material shall be addressed through standard fire test methods established by the appropriate governing documents. 1.4x00a0;The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. Note 2:x00a0;For conversion to metric units other than those contained in this standard, refer to IEEE/ASTM SI 10. 1.5x00a0;This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Standard Specification for Faced Rigid Cellular Polyisocyanurate Thermal Insulation Board
本标准规定了饮料酒中氨基甲酸乙酯的气相色谱-质谱测定方法。本标准适用于白酒、啤酒、黄酒、葡萄酒等酒中氨基甲酸乙酯的测定。本标准的检出限：当试样取2.0g时，本方法氨基甲酸乙酯含量的检出限为1.0μg/kg。
Thermal insulation products for buildings - Factory made rigid polyurethane foam (PU) products - Specification
本标准规定了蒸馏酒、发酵酒、配制酒中氨基甲酸乙酯残留量的气相色谱-质谱检测方法。 本标准适用于蒸馏酒、黄酒、红葡萄酒、啤酒、白兰地酒中氨基甲酸乙酯残留量的检测和确证。
Determination of ethyl carbamate residues in alcohol for export-GC-MS
5. Significance and UseTop Bottom 5.1 General Utility: 5.1.1 It is necessary to know the hydroxyl number of polyols in order to formulate polyurethane systems. 5.1.2 This practice is suitable for research, quality control, specification testing, and process control. 5.2 Limitations: 5.2.1 Factors affecting the NIR spectra of the analyte polyols need to be determined before a calibration procedure is started. Chemical structure, interferences, any nonlinearities, the effect of temperature, and the interaction of the analyte with other sample components such as catalyst, water and other polyols needs to be understood in order to properly select samples that will model those effects which cannot be adequately controlled. 5.2.2 Calibrations are generally considered valid only for the specific NIR instrument used to generate the calibration. Using different instruments (even when made by the same manufacturer) for calibration and analysis can seriously affect the accuracy and precision of the measured hydroxyl number. Procedures used for transferring calibrations between instruments are problematic and are to be utilized with caution following the guidelines in Section 16. These procedures generally require a completely new validation and statistical analysis of errors on the new instrument. 5.2.3 The analytical results are statistically valid only for the range of hydroxyl numbers used in the calibration. Extrapolation to lower or higher hydroxyl values can increase the errors and degrade precision. Likewise, the analytical results are only valid for the same chemical composition as used for the calibration set. A significant change in composition or contaminants can also affect the results. Outlier detection, as discussed in Practices E1655, is a tool that can be used to detect the possibility of problems such as those mentioned above. 1.1 This standard covers a practice for the determination of hydroxyl numbers of polyols using NIR spectroscopy. 1.2 Definitions, terms, and calibration techniques are described. Procedures for selecting samples, and collecting and treating data for developing NIR calibrations are outlined. Criteria for building, evaluating, and validating the NIR calibration model are also described. Finally, the procedure for sample handling, data gathering and evaluation are described. 1.3 The implementation of this standard requires that the NIR spectrometer has been installed in compliance with the manufacturerx0027;s specifications. 1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
Standard Practice for Polyurethane Raw Materials: Determining Hydroxyl Number of Polyols by Near Infrared (NIR) Spectroscopy
1.1 This specification covers flexible cellular urethane materials intended for such uses as inserts for furniture cushions, mattresses, and similar applications. 1.2 This specification provides material and dimensional requirements and methods of tests for specific properties of load bearing, compression set, humid age resistance, pounding fatigue resistance, support factor and resilience. 1.3 This specification includes references to government regulations for burning characteristics of flexible cellular material used in specified applications. 1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
Standard Specification for Flexible Cellular Materialsmdash;Urethane for Furniture and Automotive Cushioning, Bedding, and Similar Applications
This document has been declared "Stabilized" and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist. This specification covers one type of polyether-type urethane (EU) resin and hardener which, when mixed and cured, produce elastomeric polyurethane products. Primarily for liquid application as electronics encapsulation or for casting parts and shapes.
Resin, Polyether Urethane (EU) Casting Flexible, Solid, Unfilled, 95 Durometer A
This document has been declared "Stabilized" and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist. This specification covers one type of polyether-type urethane (EU) resin and hardener which, when mixed and cured, produce elastomeric polyurethane products. Primarily for liquid application as electronics encapsulation or for casting parts and shapes.
Resin, Polyether Urethane (EU) Casting Flexible, Solid, Unfilled, 75 Durometer A
This document has been declared "Stabilized" and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist. This specification covers one type of polyether-type urethane (EU) resin and hardener which, when mixed and cured, produce elastomeric polyurethane products. Primarily for liquid application as electronics encapsulation or for casting parts and shapes.
Resin, Polyether Urethane (EU) Casting Flexible, Solid, Unfilled
This document has been declared "Stabilized" and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist. This specification covers one type of polyether-type urethane (EU) resin and hardener which, when mixed and cured, produce elastomeric polyurethane products. Primarily for liquid application as electronics encapsulation or for casting parts and shapes.
Resin, Polyether Urethane (EU) Casting Flexible, Solid, Unfilled, Durometer A
This document has been declared "Stabilized" and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist. This specification covers one type of polyether-type urethane (EU) resin and hardener which, when mixed and cured, produce elastomeric polyurethane products. Primarily for liquid application as electronics encapsulation or for casting parts and shapes.
Resin, Polyether Urethane (EU) Casting Flexible, Solid, Unfilled, 85 Durometer A
This document has been declared "Stabilized" and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist. This specification covers one type of polyether-type urethane (EU) resin and hardener which, when mixed and cured, produce elastomeric polyurethane products. Primarily for liquid application as electronics encapsulation or for casting parts and shapes.
Resin, Polyether Urethane (EU) Casting Flexible, Solid, Unfilled, 65 Durometer A
This document has been declared "Stabilized" and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist. This specification covers one type of polyether-type urethane (EU) resin and hardener which, when mixed and cured, produce elastomeric polyurethane products. Primarily for liquid application as electronics encapsulation or for casting parts and shapes.
Resin, Polyether Urethane (EU) Casting Flexible, Solid, Unfilled, 55 Durometer D
This document has been declared "Stabilized" and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist. This specification covers one type of polyether-type urethane (EU) resin and hardener which, when mixed and cured, produce elastomeric polyurethane products. Primarily for liquid application as electronics encapsulation or for casting parts and shapes.
Resin, Polyether Urethane (EU) Casting, Flexible, Solid, Unfilled, 45 Durometer A
This document has been declared "Stabilized" and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist. This specification covers one type of polyether-type urethane (EU) resin and hardener which, when mixed and cured, produce elastomeric polyurethane products. Primarily for liquid application as electronics encapsulation or for casting parts and shapes.
Resin, Polyether Urethane (EU) Casting Flexible, Solid, Unfilled, 75 Durometer D
This document has been declared "Stabilized" and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist. This specification covers one type of polyether-type urethane (EU) resin and hardener which, when mixed and cured, produce elastomeric polyurethane products. Primarily for liquid application as electronics encapsulation or for casting parts and shapes.
Resin, Polyether Urethane (EU) Casting Flexible, Solid, Unfilled, 65 Durometer D
This specification covers a chemically or mechanically expanded polyether urethane (EU) elastomeric foam material in the form of ready-to-use sheet. Primarily for use in applications where shock absorbing characteristics and cushioning are required and where flammability does not preclude its use.
Foam, Polyether Urethane (EU) Elastomer, Shock Absorbing, 5 lb/cu ft (80 kg/m<(hoch)3>) Density
This specification and its supplementary detail specifications cover a chemically or mechanically expanded polyether urethane (EU) elastomeric foam material in the form of ready-to-use sheet. Primarily for use in applications where shock absorbing characteristics and cushioning are required and where flammability does not preclude its use.
Sheet, Polyether Urethane (EU) Elastomer Foam, Shock Absorbing
This specification covers a chemically or mechanically expanded polyether urethane (EU) elastomeric foam material in the form of ready-to-use sheet. Primarily for use in applications where shock absorbing characteristics and cushioning are required and where flammability does not preclude its use.
Foam, Polyether Urethane (EU) Elastomer, Shock Absorbing, 20 lb/cu ft (320 kg/m<(hoch)3>) Density
This specification covers a chemically or mechanically expanded polyether urethane (EU) elastomeric foam material in the form of ready-to-use sheet. Primarily for use in applications where shock absorbing characteristics and cushioning are required and where flammability does not preclude its use.
Foam, Polyether Urethane (EU) Elastomer, Shock Absorbing, 15 lb/cu ft (240 kg/m<(hoch)3>) Density
This European Standard specifies requirements and test methods for valves of prefabricated thermally insulated valve assemblies comprising a steel valve, rigid polyurethane foam insulation and an outer casing of polyethylene for use in directly buried hot water networks with pre-insulated pipe assemblies in accordance with EN 253. This European Standard applies only to insulated valve assemblies for continuous operation with hot water at various temperatures in accordance with EN 253:2009, Clause 1 and the valve assemblies with a maximum operation pressure of 25 bar. For higher pressures, additional demands apply. Guidelines for quality inspection are given in Annex A of this European Standard. NOTE For this application, the following valve types are commonly used: ball valves, gate valves, and butterfly valves. This European Standard does not include calculation rules for loads and stresses. These depend on the configuration of the system as it is installed. The design and installation rules are given in EN 13941:2009+A1:2010.
District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Steel valve assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Steel valve assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
The test procedures provide a standard method of obtaining data for research and development, quality control, acceptance and rejection under specifications, and special purposes. The data obtained by these test methods are applicable to the material under conditions of the particular test and are not necessarily the same as obtained in other environments in use.1.1 These test methods apply to slab, bonded, and molded flexible cellular products known as urethane foams. Urethane foam is generally defined as an expanded cellular product produced by the interaction of active hydrogen compounds, water, and isocyanates. 1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. 1.3 The values stated in SI units are to be regarded as standard. Note 18212;There is no known ISO equivalent to this standard, however certain test methods in this standard have similar or equivalent ISO standards and are listed in the scope of the individual test method sections.
Standard Test Methods for Flexible Cellular Materialsmdash;Slab, Bonded, and Molded Urethane Foams
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