Standards

GB/T 7702.18-2008 Active

GB/T 7702.18-2008 Test method for granular activated carbon from coal—Determination of caramel adsorption

This section specifies the principles of determining the decolorization rate of coal-based granular activated carbon for caramel, the measurement steps, and the calculation of results, etc.
This section is applicable to the determination of the decolorization rate of coal-based granular activated carbon for caramel. It is also applicable to the determination of the decolorization rate of other activated carbons for caramel.

Publish Date: 2008-11-20

GB/T 7702.19-2008 Active

GB/T 7702.19-2008 Test method for granular activated carbon from coal—Determination of carbon tetrachloride(CCl4)desorption

This section specifies the principles, measurement steps, and result calculation for determining the carbon tetrachloride desorption rate of coal-based granular activated carbon.
This section is applicable to the determination of the carbon tetrachloride desorption rate of coal-based granular activated carbon (hereinafter referred to as activated carbon).

Publish Date: 2008-11-20

GB/T 7702.20-2008 Active

GB/T 7702.20-2008 Test method for granular activated carbon from coal—Determination of pore volume and specific surface area

This section specifies the principles of determining the pore volume and specific surface area of coal-based granular activated carbon, the measurement steps, and the calculation of the results, etc.
This section is applicable to the determination of the pore volume and specific surface area of coal-based granular activated carbon, and is also applicable to the determination of the pore volume and specific surface area of other activated carbons.

Publish Date: 2008-11-20

GB/T 7702.3-2008 Active

GB/T 7702.3-2008 Test method for granular activated carbon from coal—Determination of hardness

This section specifies the principles of determining the strength of coal-based granular activated carbon, the measurement steps, and the calculation of the results, among other things.
This section is applicable to the determination of the strength of coal-based granular activated carbon (hereinafter referred to as activated carbon).

Publish Date: 2008-11-20

GB 50449-2008 Active

GB 50449-2008 Standard for urban appearance

本标准适用于城市容貌的建设与管理。城市中的建(构)筑物、道路、园林绿化、公共设施、广告标志、照明、公共场所、城市水域、居住区等的容貌，均适用本标准。 城市容貌建设与管理应符合城市规划的要求，并应与城市社会经济发展、环境保护相协调。 城市容貌建设应充分体现城市特色，保持当地风貌，保持城市环境整洁、美观。 城市容貌的建设与管理，除应符合本标准外，尚应符合国家现行有关标准的规定

Publish Date: 2008-10-15

GB 50450-2008 Active

GB 50450-2008 Code for design of main ventilating fan station of coal mine

本规范适用于新建、改建和扩建的煤矿主要通风机站的设计

Publish Date: 2008-10-15

GB/T 50480-2008 Active

GB/T 50480-2008 Code for insitu tests of geotechnical engineering investigation of metallurgical industry

本规范适用于冶金工业建设项目岩土工程勘察中的原位测试。其他行业同类工作可按本规范执行。 现场工作应遵守国家和地方有关安全和劳动保护的规定，做到安全生产。 冶金工业岩土工程勘察原位测试，除应符合本规范的规定外，尚应符合国家现行有关标准的规定

Publish Date: 2008-10-15

GB/T 1347-2008 Active

GB/T 1347-2008 Methods for chemical analysis of soda-lime-silica glass

This standard specifies the chemical analysis methods for sodium-calcium-silica glass. This standard is applicable to sodium-calcium-silica glass and other glasses mainly composed of sodium-calcium-silica, such as colored glass, etc.

Publish Date: 2008-10-15

GB/T 15764-2008 Active

GB/T 15764-2008 Standard terminology of flat glass

This standard specifies the relevant terms and their definitions in aspects such as the types of flat glass, its physical and chemical properties, raw materials, melting furnaces, melting, forming, cutting, defects, and inspection methods. This standard applies to the production of flat glass and the interpretation of terms related to the product.

Publish Date: 2008-10-15

GB/T 17841-2008 Active

GB/T 17841-2008 Heat strengthened glass

This standard specifies the terms and definitions, classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of semi-tempered glass manufactured by heat treatment processes. This standard applies to semi-tempered glass for building applications. For semi-tempered glass used outside of building applications, this standard may be referenced for use based on the product's characteristics.

Publish Date: 2008-10-15

GB/T 18144-2008 Active

GB/T 18144-2008 Test method for measurement of stress in glass

This standard specifies the relevant definitions and test methods for glass surface stress and glass edge stress testing. The surface stress testing method in this standard is applicable to tempered glass and semi-tempered glass manufactured by float glass; the edge stress testing method is applicable to tempered glass, semi-tempered glass, laminated glass for automotive windshields, and heat-bent glass. Chemical tempered glass can refer to and use the surface stress testing method in this standard.

Publish Date: 2008-10-15

GB/T 22400-2008 Active

GB/T 22400-2008 Rapid determination of melamine in raw milk—High performance liquid chromatography method

This standard specifies a method for the rapid detection of melamine in raw milk by liquid chromatography. This standard is applicable to raw milk and to liquid dairy products without additives. The quantitative detection range of this standard is 0.30 mg/kg to 100.0 mg/kg, and the detection limit of the method is 0.05 mg/kg.

Publish Date: 2008-10-15