National Standard: GB/T, GBT
              
GBT << ...>> GBT
Std ID Description (Standard Title)
GB/T 6609.36-2009 Chemical analysis methods and determination of physical performance of alumina -- Part 36: Determination of flow time
GB/T 6609.37-2009 Alumina Chemical analysis methods and determination of physical performance -- Part 37: Determination of particle size less than 20μm particle content
GB/T 6609.4-1986 Methods for chemical analysis of aluminium oxide--The orthophenanthroline photometric method for the determination of ferric oxide content
GB/T 6609.4-2004 Chemical analysis methods and determination of physical performance of alumina -- Determination of ferric oxide content -- Orthophenanthroline photometric method
GB/T 6609.5-1986 Methods for chemical analysis of aluminium oxide--The flame photometric method for the determination of sodium oxide content
GB/T 6609.5-2004 Chemical analysis methods and determination of physical performance of alumina -- Determination of sodium oxide content
GB/T 6609.6-1986 Methods for chemical analysis of aluminium oxide--The flame photometric method for the determination of potassium oxide content
GB/T 6609.6-2004 Chemical analysis methods and determination of physical performance of alumina -- Determination of potassium oxide content -- Flame photometric method
GB/T 6609.7-1986 Methods for chemical analysis of aluminium oxide--The trioctylphosphine oxide-thiocyanate photometric method for the determination of titanium dioxide content
GB/T 6609.7-2004 Chemical analysis methods and determination of physical performance of alumina -- Determination of titanium dioxide content -- Diantiprylmehane photometric method
GB/T 6609.8-1986 Methods for chemical analysis of aluminium oxide--The diphenyl carbazide photometric method for the determination of chromium sesquioxide content
GB/T 6609.8-2004 Chemical analysis methods and determination of physical performance of alumina -- Determination of chromium sesquioxide content -- Diphenyl carbazide photometric method
GB/T 6609.9-1986 Methods for chemical analysis of aluminium oxide--The lead diethyldithiocarbamate photometric method for the determination of cupric oxide content
GB/T 6609.9-2004 Chemical analysis methods and determination of physical performance of alumina - Determination of cupric oxide content. 2, 9-Dimethyl-1, 10 phenanthroline photometric method
GB/T 6610.1-1986 Methods for chemical analysis of aluminium hydroxide--The gravimetric method for the determination of moisture
GB/T 6610.1-2003 Chemical analysis methods of aluminium hydroxide -- Determination of moisture -- Gravimetric method
GB/T 6610.2-1986 Methods for chemical analysis of aluminium hydroxide--The gravimetric method for the determination of loss content on ignition
GB/T 6610.2-2003 Chemical analysis methods of aluminium hydroxide -- Determination of the loss of mass at 1100 Degree Celcius -- Gravimetric method
GB/T 6610.3-1986 Methods for chemical analysis of aluminium hydroxide--The molybdenum blue photometric method for the determination of silicon dioxide content
GB/T 6610.3-2003 Chemical analysis methods of aluminium hydroxide -- Determination of silicon dioxide content -- Molybdenum blue photometric method
GB/T 6610.4-1986 Methods for chemical analysis of aluminium hydroxide--The ortho-phenanthroline photometric method for the determination of ferric oxide content
GB/T 6610.4-2003 Chemical analysis methods of aluminium hydroxide -- Determination of ferric oxide content -- Orthophenanthroline photometric method
GB/T 6610.5-1986 Methods for chemical analysis of aluminium hydroxide--The flame photometric method for the determination of sodium oxide content
GB/T 6610.5-2003 Chemical analysis methods of aluminium hydroxide -- Determination of sodium oxide content
GB/T 6611-1986 Terminology for titanium and titanium alloy
GB/T 6611-2008 Terminology and metallographs for titanium and titanium alloys
GB/T 661-1992 Chemical reagent--Ammonium iron (II)shlfate hexahydrate
GB/T 661-2011 Chemical reagent -- Ammonium iron (Ⅱ) sulfate hexahydrate
GB/T 6612-1986 Titanium alloy TA7 sheet and plate for important applications
GB/T 6613-1986 Titanium alloy TC4 sheet and plate for important applications
GB/T 6614-1986 Titanium and titanium alloy castings
GB/T 6614-1994 Titanium and titanium alloy castings
GB/T 6614-2014 Titanium and titanium alloy castings
GB/T 6616-1995 Test method for measuring resistivity of semiconductor silicon or sheet resistance of semiconductor films with a noncontact eddy-current gage
GB/T 6616-2009 Test methods for measuring resistivity of semiconductor wafers or sheet resistance of semiconductor films with a noncontact eddy-current gauge
GB/T 6617-1995 Test method for measuring resistivity of silicon wafers using spreading resistance probe
GB/T 6617-2009 Test method for measuring resistivity of silicon wafer using spreading resistance probe
GB/T 6618-1995 Test method for thickness and total thickness variation of silicon slices
GB/T 6618-2009 Test method for thickness and total thickness variation of silicon slices
GB/T 6619-1995 Test methods for bow of silicon slices
GB/T 6619-2009 Test methods for bow of silicon wafers
GB/T 6620-1995 Test method for measuring warp on silicon slices by nontact scanning
GB/T 6620-2009 Test method for measuring warp on silicon slices by noncontact scanning
GB/T 6621-1995 Test methods for surface flatness of silicon polished slices
GB/T 6621-2009 Testing methods for surface flatness of silicon slices
GB/T 6624-1995 Standard method for measuring the surface quality of polished silicon slices by visual inspection
GB/T 6624-2009 Standard method for measuring the surface quality of polished silicon slices by visual inspection
GB/T 6625-1986 Test methods for nitrogen content of nitrogen-doped getter
GB/T 6626.1-1986 Test methods for the characteristics of getter-mercury dispenser--Test methods for mercury yield characteristic of getter mercury dispenser
GB/T 6626.2-1986 Test methods for the characteristics of getter-mercury dispenser--Test method for mercury content of getter-mercury dispenser
GB/T 6626.3-1986 Test methods for the characteristics of getter-mercury dispenser--Test method for gas emission of getter mercury dispenser
GB/T 6626.4-1986 Test methods for the characteristics of getter-mercury dispenser--Method for peel off test of getter-mercury dispenser
GB/T 6627-1986 Designation for lumbered synthetic quartz crystal
GB/T 6628-1996 Lumbered synthetic quartz crystal
GB/T 664-1993 Chemical reagents. Iron (II) sulfate heptahydrate
GB/T 664-2011 Chemical reagent -- Iron (II) sulfate heptahydrate
GB/T 6643-1986 General purpose rigid coaxial transmission lines and their associated flange connectors. Generic specification
GB/T 6645-1986 Granulated electric furnace phosphorous slag used for cement production
GB/T 6645-2008 Granulated Electric Furnace Phosphorous Slag Used for Cement
GB/T 6646.1-1986 Method for dry classification of chrysotile asbestos fibre
GB/T 6646.2-1986 Method for wet classification of chrysotile asbestos fibre by length distribution
GB/T 6646.3-1986 Method for rapid wet classification of chrysotile asbestos fibre by length distribution
GB/T 6646.4-1986 Method for specific surface area of chrysotile asbestos
GB/T 6646.5-1986 Method for determination of grit and crude content in chrysotile asbestos
GB/T 6646.6-1986 Test method for moisture content of chrysotile asbestos
GB/T 6646-2008 Chrysotile asbestos test methods
GB/T 6647-1986 Families and variety of 4-bit microcomputer device for semiconductor integrated circuits
GB/T 6648-1986 Blank detail specification for semiconductor integrated circuit static read/write memories
GB/T 6649-1986 Generic specification of packages for semiconductor integrated circuits
GB/T 6651-1986 Interchangeable magnetic twelve-disk pack (200M bytes)
GB/T 665-1988 Chemical reagent--Copper (2) sulfate pentahydrate
GB/T 665-2007 Chemical reagent -- Copper (Ⅱ) sulfate pentahydrate
GB/T 6652-1986 Interchangeable magnetic twelve-disk pack (100M bytes)
GB/T 6656-1986 DC ferrite permanent magnet motors
GB/T 6656-2008 D.C. ferrite permanent magnet motors
GB/T 6657-1986 Measurement of electroacoustical characteristics of hearing aids
GB/T 6658-1986 Measurement of electroacoustical characteristics of hearing aids with induction pick-up coil input
GB/T 6659-1986 Measurement of electroacoustical characteristics of hearing aids with automatic gain control circuits
GB/T 6661-1986 Nipples for insert earphones
GB/T 666-1993 Chemical reagent. Zinc sulfate heptahydrate
GB/T 666-2011 Chemical reagent -- Zinc sulfate heptahydrate
GB/T 6662-1986 Methods of measurement for equipment used in terrestrial radio-relay systems. Part1: Measurements common sub-systems and simulated systems. Section three. Measurements in the intermediate-frequency range
GB/T 6663.1-2007 Directly heated negative temperature coefficient thermistors -- Part 1: Generic specification
GB/T 6663-1986 General specification for the directly heated negative temperature coefficient thermistors
GB/T 6664-1986 Blank detail specification for directly heated negative temperature coefficient thermistors--Assessment level E
GB/T 6667-1986 Methods of measurement for equipment used in terrestrial radio-relay systems. Part 2: Measurements for sub-systems. Section two: Measurements in the antennas and passive repeaters
GB/T 6668-1994 Coated Knitted fabrics from expanded PVC
GB/T 6669-1986 polymeric materials, cellular flexible--Determination of compression set
GB/T 6669-2001 Polymeric material cellular flexible Determination of compression set
GB/T 6669-2008 Flexible cellular polymeric materials -- Determination of compression set
GB/T 6670-1986 Flexible cellular plastics--Determination of resilience
GB/T 6670-1997 Cellular plastics--Flexible polyurethane foam--Determination of resilience
GB/T 6670-2008 Flexible cellular polymeric materials -- Determination of resilience by ball rebound
GB/T 6671.1-1986 Unplasticized polyvinyl chloride (PVC) pipes--Determination of longitudinal reversion
GB/T 6671.2-1986 Polyethylene (PE) pipes--Determination of longitudinal reversion
GB/T 6671.3-1986 Polypropylene (PE) pipes--Determination of longitudinal reversion
GB/T 6671-2001 Thermoplastics pipes -- Determination of longitudinal reversion
GB/T 667-1995 Chemical reagent. Zinc nitrate hexahydrate
GB/T 6672-1986 Determination of thickness of plastic film and sheeting by mechanical scanning
GB/T 6672-2001 Plastics film and sheeting -- Determination of thickness by mechanical scanning