Methanol synthesis catalysts
适用范围:本标准规定了联产甲醇催化剂(简称\"联醇催化剂\")和高压甲醇合成催化剂(简称\"高压甲醇催化剂\")、中低压甲醇合成催化剂(简称\"中低压甲醇催化剂\")的要求,采样,试验方法,检验规则以及标志、包装、储存和运输。本标准适用...
发布日期:2016-10-22 实施日期:2017-04-01
Surface active agents. Industrial detergents containing solvent for washing hands. Specifications. Tests.
Standard Test Method for Determination of Low Level, Regulated Phthalates in Poly (Vinyl Chloride) Plastics by Thermal Desorption—Gas Chromatography/Mass Chromatography
发布日期:2013-04-01 实施日期:2013-04-01
Rubber and plastics hoses and hose assemblies -- Methods of measurement of the dimensions of hoses and the lengths of hose assemblies
适用范围:ISO 4671:2007 specifies methods of measuring the inside diameter, outside diameter (including diameter over reinforcement of hydraulic hoses), wall thickness, concentricity and lining and cover thickne...
发布日期:2007-12-01 实施日期:2007-12-01
Standard Specification for Styrene-Acrylonitrile (SAN) Injection and Extrusion Materials
实施日期:2000-07-10
Plastics pipes and fittings -- Definitions of types of test
发布日期:1999-11-01 实施日期:1999-11-01
Sodium hydroxide for industrial use--Determination of sodium hydroxide and sodium carbonate content
适用范围:本标准规定了工业用氢氧化钠中氢氧化钠和碳酸钠含量的测定方法。
发布日期:2000-07-31 实施日期:2001-03-01
Plastics-Acquisition and Presentation of Comparable Multipoint Data-Part 3:Environmental Influence on Properties
适用范围:This part of ISO 11403 specifies test procedures for the acquisition and presentation of multipoint data which demonstrate the behaviour of plastics under the following environments: — prolonged expos...
实施日期:2001-01-01
Carbon black一Part 21 ; Determination of sieve residue—Water washing method
适用范围:GB/T 3780的本部分规定了用水冲洗法测定未处理过的各类炭黑及橡胶制品用粉剂筛余物的测 定方法。 本部分适用于各类炭黑、橡胶制品用粉剂等。本部分不适用于经油处理过的各类炭黑及粉剂。
发布日期:2016-06-14 实施日期:2017-01-01
Sodium chloride for industrial use -- Determination of calcium and magnesium contents -- EDTA complexometric methods
适用范围:The method is applicable to water-soluble salts for contents greater than 0,001 % (m/m). In a special case, the determination of ions in a principal solution prepared in an acid medium is pooible. The ...
发布日期:1973-02-01 实施日期:1973-02-01
Plastics - Methyl methacrylate-acrylonitrile-butadiene-styrene (MABS) moulding and extrusion materials - Part 1: Designation system and basis for specifications
Binders for paints and varnishes -- Alkyd resins -- Part 4: Determination of fatty acid content
Rubber, vulcanized or thermoplastic - Determination of tensile stress-strain properties.
Tyre valves extension
适用范围:本标准规定了轮胎气门嘴延伸管的术语和定义、型号标记、结构型式及尺寸、零部件的类型、结构尺寸及材料、外观、密封性、通气速率、连接、爆破、耐腐蚀、试验方法、检验规则、标识、包装和贮存。本标准适用于载重汽车(包括客车、挂车及...
发布日期:2021-03-05 实施日期:2021-07-01
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