GB/T 3810.3-2006: Translated English of Chinese Standard. (GBT 3810.3-2006, GB/T3810.3-2006, GBT3810.3-2006): Test methods of ceramic tiles - Part 3: Determination of water absorption, apparent porosity, apparent relative density and bulk density.
This Standard specifies the terms and definitions, principle, apparatus and materials, test pieces, procedure, expression of results, test errors and test report for the determination of the bulk density, apparent porosity and true porosity of dense shaped refractory products.
This Standard specifies the principle, apparatus, specimen, test procedures and result calculation for the determination of bulk density of carbon materials. This Standard is applicable to determination of bulk density of carbon materials at room temperature.
This Standard specifies two methods for the determination of the bulk density of granular refractory materials (grain density) with a grain size of larger than 2mm. Method 1: Weighing method; Method 2: Burette method.
This Standard specifies the dimensions, shapes, weights and permissible tolerances of cold-rolled steel sheets and strips. This Standard is applicable to cold-rolled wide strip of which the width is not less than 600 mm, its shear sheets and slit wide strip. The single cold-rolled sheets can also reference to this Standard for implementation.
This Part specifies the apparatus, instruments, test preparation and each-item test methods used for testing the electrical machines and controllers for electric vehicles. This Part applies to the electrical machines and controllers for electric vehicles.
This Standard refers to the classification of the degrees of protection provided by enclosures against external mechanical impacts when the rated voltage of the protected equipment is not greater than 72.5 kV.
This Standard specifies the method for determination of 497 pesticides and related chemicals (see Appendix A) residues in honey, fruit juice and wine by GC-MS Method. This Standard is applicable to the determination of 497 pesticides and related chemicals residues in honey, fruit juice and wine. This Standard?s limit of detection: 0.001 mg/kg ~ 0.300 mg/kg (see Appendix A).
This standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation, storage and quality certificates and orders (or contracts) for wrought aluminum and aluminum alloys extruded profiles for general engineering.
This Standard specifies the requirements of electromagnetic compatibility (EMC) for 800 MHz CDMA digital cellular mobile telecommunication system: MS and ancillary equipment that receive and transmit voice and/or data, including measurement methods, frequency range, limits and performance criteria etc. This Standard is not only applicable to portable and vehicle-mounted mobile stations but also to those powered by AC and used at fixed locations.
This standard specifies the general functional technical requirements of the digital mobile communication terminal (hereinafter referred to as the mobile terminal) in the single-module single standby, multi-module single standby, single-module multi-standby state, etc., AND specifies the corresponding test methods.
This Part specifies the gravimetric method for the determination of ash content in pure adipic acid. This Part applies to the determination of adipic acid with the ash content of not less than 1 mg/kg.
This part specifies the technical requirements, test methods, inspection rules, marking, packaging, transport, storage and safety of pure adipic acid. This part is applied to the pure adipic acid using the cyclohexane as raw materials, which is subjected to two-step oxidation to produce coarse adipic acid, AND then decolourized by activated carbon, recrystallized, separated and dried.
This Standard specifies fineness range 1) of noble metals in jewellery, mark for jewellery, test method and designation method for precious metal jewellery. This Standard is applicable to jewelleries produced and distributed in jewellery industry and at home (China).
This standard specifies the type, dimension, technical requirements, labeling and marking of metallic ring joint gaskets for steel pipe flanges (PN designated). This standard is applicable to metallic ring joint gaskets for steel pipe flanges specified in HG/T 20592 whose nominal pressure is PN63~PN160.
This standard specifies the general rules for selection of the steel pipe flange, gaskets and bolting (PN designated). This standard is applicable to the steel pipe flange, gaskets and bolting which are specified in the HG/T 20592 - HG/T 20613.
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