National Standard: GB/T, GBT
              
GBT << ...>> GBT
Std ID Description (Standard Title)
GB/T 51172-2016 Inspection code for in-service oil & gas pipeline
GB/T 51175-2016 Technical code for refining fired heater
GB/T 51178-2016 Technical code for engineering surveying of building materials mine
GB/T 5118-1995 Low alloy steel covered electrodes
GB/T 5118-2012 Covered electrodes for manual metal arc welding of creep-resisting steels
GB/T 51183-2016 Code for the design load of horticultural greenhouse structures
GB/T 51187-2016 Technical code for data acquisition and maintenance of urban drainage and local flooding prevention and control facilities
GB/T 51188-2016 Standard for safety assessment of building and industry water supply and drainage system
GB/T 51189-2016 Code for commissioning and acceptance for seawater desalination project in thermal power plants
GB/T 51193-2016 Code for installation and quality acceptance of PET and SSP equipment engineering
GB/T 51196-2016 Code for design of measurement and control non-ferrous metals mines
GB/T 5120.1-1985 Methods for chemical analysis of bessemer copper--The potassium iodide-thiosulfate volumetric method for the determination of copper content
GB/T 5120.1-1995 Methods for chemical analysis of blister copper--Determination of copper content
GB/T 5120.2-1985 Methods for chemical analysis of bessemer copper--The wet-fire assay method for the determination of gold and silver contents
GB/T 5120.2-1995 Methods for chemical analysis of blister copper--Determination of arsenic content
GB/T 5120.3-1985 Methods for chemical analysis of bessemer copper--The potassium bromate volumetric method for the determination of arsenic content
GB/T 5120.3-1995 Methods for chemical analysis of blister copper--Determination of gold and silver contents
GB/T 5120.4-1985 Methods for chemical analysis of bessemer copper--The flame atomic absorption spectrophotometric method for the determination of antimony content
GB/T 5120.4-1995 Methods for chemical analysis of blister copper--Determination of Lead, Bismuth and Antimony contents
GB/T 5120.5-1985 Methods for chemical analysis of bessemer copper--The flame atomic absorption spectrophotometric method for the determination of bismuth content
GB/T 5120.6-1985 Methods for chemical analysis of bessemer copper--The flame atomic absorption spectrophotometric method for the determination of lead content
GB/T 5121.10-1985 Methods for chemical analysis of copper--The phenylfluorone-polyethylene glycal octyl phenyl ether photometric method for the determination of tin content
GB/T 5121.10-1996 Copper and copperr alloys--Determination of tin content
GB/T 5121.10-2008 Methods for chemical analysis of copper and copper alloys -- Part 10: Determination of tin content
GB/T 5121.11-1985 Methods for chemical analysis of copper--The flame atomic absorption spectrophotometric method for the determination of zinc content
GB/T 5121.11-1996 Copper and copper alloys--Determination of zinc content
GB/T 5121.11-2008 Methods for chemical analysis of copper and copper alloys -- Part 11: Determination of zinc content
GB/T 5121.1-1985 Methods for chemical analysis of copper--The electrolytic method for the determination of copper content
GB/T 5121.1-1996 Copper and copper alloys--Determination of copper content
GB/T 5121.1-2008 Methods for chemical analysis of copper and copper alloys -- Part 1: Determination of copper content
GB/T 5121.12-1985 Methods for chemical analysis of copper--The rhodamine B photometric method for the determination of antimony content
GB/T 5121.12-1996 Copper and copper alloys--Determination of antimony content
GB/T 5121.12-2008 Methods for chemical analysis of copper and copper alloys -- Part 12: Determination of antimony content
GB/T 5121.13-1996 Copper and copper alloys--Determination of aluminium content
GB/T 5121.13-2008 Methods for chemical analysis of copper and copper alloys -- Part 13: Determination of aluminium content
GB/T 5121.14-1996 Copper and copperr alloys--Determination of manganese content
GB/T 5121.14-2008 Methods for chemical analysis of copper and copper alloys -- Part 14: Determination of manganese content
GB/T 5121.15-1996 Copper and copper alloys--Determination of cobalt content
GB/T 5121.15-2008 Methods for chemical analysis of copper and copper alloys -- Part 15: Determination of cobalt content
GB/T 5121.16-1996 Copper and copper alloys--Determination of chromium content
GB/T 5121.16-2008 Methods for chemical analysis of copper and copper alloys -- Part 16: Determination of chromium content
GB/T 5121.17-1996 Copper and copper alloys--Determination of beryllium content
GB/T 5121.17-2008 Methods for chemical analysis of copper and copper alloys -- Part 17: Determination of beryllium content
GB/T 5121.18-1996 Copper and copper alloys--Determination of magnesium content
GB/T 5121.18-2008 Methods for chemical analysis of copper and copper alloys -- Part 18: Determination of magnesium content
GB/T 5121.19-1996 Copper and copper alloys--Determination of silver content
GB/T 5121.19-2008 Methods for chemical analysis of copper and copper alloys -- Part 19: Determination of silver content
GB/T 5121.20-1996 Copper and copper alloys--Determination of zirconium content
GB/T 5121.20-2008 Methods for chemical analysis of copper and copper alloys -- Part 20: Determination of zirconium content
GB/T 5121.21-1996 Copper and copperr alloys--Determination of titanium content
GB/T 5121.21-2008 Methods for chemical analysis of copper and copper alloys -- Part 21: Determination of titanium content
GB/T 5121.2-1985 Methods for chemical analysis of copper--The molybdenum blue photometric method for the determination of phospherus content
GB/T 5121.2-1996 Copper and copper alloys--Determination of phosphorus content
GB/T 5121.2-2008 Methods for chemical analysis of copper and copper alloys -- Part 2: Determination of phosphorus content
GB/T 5121.22-1996 Copper and copper alloys--Determination of cadmium content
GB/T 5121.22-2008 Methods for chemical analysis of copper and copper alloys -- Part 22: Determination of cadmium content
GB/T 5121.23-1996 Copper and copper alloys--Determination of silicon content
GB/T 5121.23-2008 Methods for chemical analysis of copper and copper alloys -- Part 23: Determination of silicon content
GB/T 5121.24-2008 Methods for chemical analysis of copper and copper alloys -- Part 24: Determination of selenium and tellurium content
GB/T 5121.25-2008 Methods for chemical analysis of copper and copper alloys -- Part 25: Determination of boron content
GB/T 5121.26-2008 Methods for chemical analysis of copper and copper alloys -- Part 26: Determination of mercury content
GB/T 5121.27-2008 Methods for chemical analysis of copper and copper alloys - Part 27: The inductively coupled plasma atomic emission spectrometric method
GB/T 5121.28-2010 Method for chemical analysis of copper and copper alloys -- Part 28: Determination of Chromium, Iron, Manganese, Cobalt, Nickel, Zinc, Arsenic, Selenium, Silver, Cadmium, Tin, Antimony, Tellurium, Lead and Bismuth content -- Inductively coupled plasma-mas
GB/T 5121.29-2015 Methods for chemical analysis of copper and copper alloys -- Part 29: Determination of aluminium oxide content
GB/T 5121.3-1985 Methods for chemical analysis of copper--The flame atomic absorption spectrophotometric method for the determination of lead content
GB/T 5121.3-1996 Copper and copper alloys--Determination of lead content
GB/T 5121.3-2008 Methods for chemical analysis of copper and copper alloys -- Part 3: Determination of lead content
GB/T 5121.4-1985 Methods for chemical analysis of copper--The combustion-volumetric method for the determination of sulfur content
GB/T 5121.4-1996 Copper and copper alloys--Determination of carbon and sulfur content
GB/T 5121.4-2008 Methods for chemical analysis of copper and copper alloys -- Part 4: Determination of carbon and sulfur content
GB/T 5121.5-1985 Methods fro chemical analysis of copper--The dimethylglyoxime photometric method for the determination of nickel content
GB/T 5121.5-1996 Copper and copper alloys--Determination of nickel content
GB/T 5121.5-2008 Methods for chemical analysis of copper and copper alloys -- Part 5: Determination of nickel content
GB/T 5121.6-1985 Methods for chemical analysis of copper--The potassium iodide photometric method for the determination of bismuth content
GB/T 5121.6-1996 Copper and copper alloys--Determination of bismuth content
GB/T 5121.6-2008 Methods for chemical analysis of copper and copper alloys -- Part 6: Determination of bismuth content
GB/T 5121.7-1985 Methods for chemical analysis of copper--The silver diethyldithiocarbamate photometric method for the determination of arsenic content
GB/T 5121.7-1996 Copper and copper alloys--Determination of arsenic content
GB/T 5121.7-2008 Methods for chemical analysis of copper and copper alloys -- Part 7: Determination of arsenic content
GB/T 5121.8-1985 Methods for chemical analysis of copper--The pulse heating-coulometric method for the determination of oxygen content
GB/T 5121.8-1996 Copper and copper alloys--Determination of oxygen content
GB/T 5121.8-2008 Methods for chemical analysis of copper and copper alloys -- Part 8: Determination of oxygen content
GB/T 5121.9-1985 Methods for chemical analysis of copper--The ortho-phenanthroline photometric method for the determination of iron content
GB/T 5121.9-1996 Copper and copper alloys--Determination of iron content
GB/T 5121.9-2008 Methods for chemical analysis of copper and copper alloys -- Part 9: Determination of iron content
GB/T 512-1965 Lubricating greases. Determination of water.
GB/T 5122.10-1985 Methods for chemical analysis of brass--The persulfate photometric method for the determination of manganese content
GB/T 5122.11-1985 Methods for chemical analysis of brass--The methylene blue photometric method for the determination of sulfur content
GB/T 5122.1-1985 Methods for chemical analysis of brass--The electrolytic method for the determination of copper content
GB/T 5122.12-1985 Methods for chemical analysis of brass--The acetylacetone-chloroform extraction photometric method for the determination of iron content
GB/T 5122.13-1985 Methods for chemical analysis of brass--The chromazurol S photometric method for the determination of aluminum content
GB/T 5122.14-1985 Methods for chemical analysis of brass--The diethyldithiocarbamate photometric method for the determination of arsenic content
GB/T 5122.15-1985 Methods for chemical analysis of brass--The tin-cetyl trimethyl ammonium bromide-phenylfluorone ternary complex photometric method for the determination of tin content
GB/T 5122.16-1985 Methods for chemical analysis of brass--The molybdenum yellow photometric method for the determination silicon content
GB/T 5122.17-1985 Methods for chemical analysis of brass--The potassium iodide-brucine photometric method for the determination of bismuth content
GB/T 5122.18-1985 Methods for chemical analysis of brass--The crystal violet photometric method for the determination of antimony content
GB/T 5122.19-1985 Methods for chemical analysis of brass--The atomic absorption spectrophotometric method for the determination of lead content
GB/T 5122.20-1985 Methods for chemical analysis of brass--The atomic absorption spectrophotometric method for the determination of nickel content
GB/T 5122.2-1985 Methods for chemical analysis of brass--The electrolytic separation--EDTA titrimetric method for the determination of lead content
GB/T 5122.3-1985 Methods for chemical analysis of brass--The dichromate titrimetric method for the determination of iron content