Analytical methods, catalog, Chinese national standards
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GB/T 2366 Determination of water content in industrial chemicals - Gas chromatographic method
GB/T 3049 Chemical products for industrial use - General method for determination of iron content - 1,10-Phenanthroline spectrophotometric method
GB/T 3050 Inorganic chemical products for industrial use - General method for determination of chloride content - Potentiometric method
GB/T 3051 Inorganic chemical products for industrial use - General method for determination of chloride content - Mercurimetric method
GB/T 3143 Colour determination method of liquid chemicals (Hazen unit - platinum-cobalt scale)
GB/T 4472 Determination of density and relative density for chemical products
GB/T 5208 Determination of flash point - Rapid equilibrium closed cup method
GB/T 5831 Determination of trace oxygen in the gases - Colorimetric method
GB/T 5832.2 Determination of moisture in gases - Part 2: Dew point method
GB/T 5832.3 Determination of moisture in gases - Part 3: The method of Cavity Ring-Down Spectroscopy
GB/T 6283 Chemical products - Determination of water Karl fischer method (general method)
GB/T 6284 Chemical products for industrial use - General method for determination of water content - The loss of mass on drying method
GB/T 6324.1 Test method of organic chemical products - Part 1: Water miscibility test of liquid organic chemical products
GB/T 6324.2 Test method of organic chemical products - Part 2: Determination of dry residue after evaporation on a water bath for volatile organic liquids
GB/T 6324.3 Test method of organic chemical products - Part 3: Determination of permanganate-reducing substances
GB/T 6324.4 Test method of organic chemical products - Part 4: Determination of trace sulfur in organic liquid products - Microcoulometric method
GB/T 6324.5 Test method of organic chemical products - Part 5: Determination of trace quantities of carbonyl compounds in organic chemicals
GB/T 6324.9 Test method of organic chemical products - Part 9: Determination of chloride
GB/T 6324.11 Test method of organic chemical products -- Part 11：Determination of trace arsenic in liquid products -- Atomic fluorescence spectrometric method
GB/T 6488 Liquid chemicals - Determination of refractive index at 20°C
GB/T 6682 Water for analytical laboratory use - Specification and test methods
GB/T 7531 Determination of ignition residue for organic chemical products
GB/T 7532 Determination of heavy metals in organic chemical products - Visual colorimetry
GB/T 7533 Determination for crystallizing point of organic chemical products for industrial use
GB/T 7534 Volatile organic liquids for industrial use - Determination of boiling range
GB/T 7686 Chemical products for industrial use - General method for the determination of arsenic
GB/T 9008 Terms of liquid chromatography - Column chromatography and planar chromatography
GB/T 9281.1 Clear liquids - Estimation of colour by the Gardner colour scale - Part 1: Visual method
GB/T 9282.1 Clear liquids - Estimation of colour by the platinum-cobalt scale - Part 1: Visual method
GB/T 12737 Chemical products for industrial use - General method for determination of traces of sulphur compounds, as sulphate, by reduction and titrimetry
GB/T 14827 Organic chemical products forindustrial use - Test method for the determination of acidity and alkal-inity - Volumetric method
GB/T 15244 Microbeam analysis - Quantitative analysis of silicate glass by wavelength dispersive X-ray spectrometry and energy dispersive X-ray spectrometry
GB/T 16881 Coagulation - Deposition jar test of water
GB/T 17361 Microbeam analysis - Identification of authigenic clay mineral in sedimentary rock method by scanning electron microscope and energy dispersive spectrometer
GB/T 17518 General method for determination of silicon content of chemical products - Reduced molybdosilicate spectrophotometric method
GB/T 18907 Microbeam analysis - Analytical electron microscopy - Selected-area electron diffraction analysis using a transmission electron microscope
GB/T 19077 Particle size analysis - Laser diffraction methods
GB/T 21057 Inorganic chemical for industrial use - General method for determination of fluorine content-Ion selective electrode method
GB/T 21058 Inorganic chemical for industrial use - General method for mercury content-Flameless atomic absorption spectrometric method
GB/T 21354 Powders-Determination of tap density
GB/T 21510 Antimicrobial property detection methods for nano-inorganic materials
GB/T 21524 Particle size determination of inorganic chemical products - Sieving method
GB/T 21525 Inorganic chemical products for industrial use - General method for determination of magnesium content by complexation titration
GB/T 22295 Standard test method for color of transparent liquids(Gardner Color Scale)
GB/T 22571 Surface chemical analysis − X-ray photoelectron spectrometers − Calibration of energy scales
GB/T 22572 Surface chemical analysis - Secondary-ion mass spectrometry - Method for estimating depth resolution parameters with multiple delta-layer reference materials
GB/T 23769 Inorganic chemical products - General method for the determination of pH values
GB/T 23770 Liquid inorganic chemical products - General method for the measurement of colour
GB/T 23771 Determination of bulk density for inorganic chemical products
GB/T 23772 Inorganic chemicals for industrial use - General method for the determination of total nitrogen content - Nessler's reagent colorimetric method
GB/T 23773 Inorganic chemicals for industrial use - General method for determination of ammonium content - Nessler's reagent colorimetric method
GB/T 23774 Inorganic chemical for industrial use - General method for the determination of whiteness
GB/T 23841 Inorganic chemicals for industrial use - General method for the determinations of cadmium - Atomic absorption spectrometry
GB/T 23842 General method for the determination of silicon content of inorganic chemicals - Reduced molybdosilicate spectrophotometric method
GB/T 23843 Inorganic chemical products - General method for the determination of total phosphorus(V)oride content
GB/T 23844 Inorganic chemicals for industrial use - General method for the determination of sulphate - Visible turbidimetric method
GB/T 23845 Inorganic chemicals for industrial use - General method for the determination of bromide
GB/T 23943 Inorganic chemicals for industrial use - General method for the determination of chromium(VI) content - 1,5-diphenylcarbohydrazide spectrophotometric method
GB/T 23944 Inorganic chemicals for products use - General method for the determination of aluminium - Chromazurol S-spectrophotometric method
GB/T 23945 Inorganic chemicals for industrial use - General method for the determination of chloride content - Visible turbidimetric method
GB/T 23946 Inorganic chemicals for industrial use - General method for the determination of lead content - Atomic absorption spectrometry
GB/T 23947.1 Inorganic chemicals for industrial use - General method for determination of arsenic - Part 1: Silver diethyldithiocarbamate photometric method
GB/T 23947.2 Inorganic chemicals for industrial use - General method for the determination of arsenic content - Part 2: Gutzeit method
GB/T 23948 Inorganic chemicals for industrial use - General method for the determination of water insoluble matter
GB/T 23949 Inorganic chemicals for industrial use - General method for the determination of dry residue after evaporation
GB/T 23950 Inorganic chemicals for industrial use - General method for determination of heavy metals
GB/T 23951 Inorganic chemicals for industrial use - General method for the determination of residue after ignition
GB/T 23952 Inorganic chemicals for industrial use - General method for the determination of total nitrogen content - Distillation-acid-base titrations method
GB/T 25184 Verification method for X-ray photoelectron spectrometers
GB/T 25185 Surface chemical analysis - X-ray photoelectron spectroscopy - Reporting of methods used for charge control and charge correction
GB/T 25186 Surface chemical analysis - Secondary-ion mass spectrometry - Determination of relative sensitivity factors from ion-implanted reference materials
GB/T 25187 Surface chemical analysis - Auger electron spectroscopy - Description of selected instrumental performance parameters
GB/T 26570.1 Determination of particle in gases - Light-scattering method - Part 1：Determination of particle in pipeline gases
GB/T 28632 Surface chemical analysis - Auger electron spectroscopy and X-ray photoelectron spectroscopy - Determination of lateral resolution
GB/T 28633 Surface chemical analysis - X-ray photoelectron spectroscopy - Repeatability and constancy of intensity scale
GB/T 28723 Determination of purity for chemicals (pharmaceuticals) - Differential scanning calorimetry (DSC)
GB/T 28724 Determination of melting temperature for chemicals (pharmaceuticals) - Differential scanning calorimetry(DSC)
GB/T 28892 Surface chemical analysis - X-ray photoelectron spectroscopy -Description of selected instrumental performance parameters
GB/T 28893 Surface Chemical Analysis - Auger electron spectroscopy and X-ray photoelectron spectroscopy - Methods used to determine peak intensities and information required when reporting results
GB/T 28894 Surface chemical analysis - Handling of specimens prior to analysis
GB/T 29556 Surface chemical analysis - Auger electron spectroscopy and X-ray photoelectron spectroscopy - determination of lateral resolution, analysis area, and sample area viewed by the analyser
GB/T 29557 Surface chemical analysis - Depth profiling - Measurment of sputtered depth
GB/T 29558 Surface chemical analysis - Auger electron spectroscopy - Repeatability and constancy of intensity scale
GB/T 29559 Surface chemical analysis - Analysis of zinc and/or aluminium based metallic coatings by glow discharge optical emission spectrometry
GB/T 29731 Surface chemical analysis - High resolution auger electron spectrometers - Calibration of energy scales for elemental and chemical-state analysis
GB/T 29732 Surface chemical analysis - Medium resolution auger electron spectrometers - Calibration of energy scales for elemental analysis
GB/T 32190 Standard practice for using flame photometric detectors in gas chromatography
GB/T 32193 Standard practice for testing flame ionization detectors used in gas or supercritical fluid chromatography
GB/T 32210 Technical requirements and test methods for portable gas chromatography-mass spectrometer
GB/T 32211 Standard practice for testing variable-wavelength photometric detectors used in liquid chromatography
GB/T 32212 Standard practice for testing fixed-wavelength photometric detectors used in liquid chromatography
GB/T 32262 Preparation of deoxyribonucleic acid sample for atomic force microscope measurement
GB/T 32263 Highly purified compound - Reagent for pesticide residue analysis - Method of the gas chromatography with electron capture detector(ECD)
GB/T 32264 Method of performance testing for gas chromatography-single quadrupole mass pectrometry
GB/T 32266 Method of performance testing for atomic fluorescence spectrometer
GB/T 32268 Method of performance testing for octadecyl bonded（C18) high performance liquid chromatography（HPLC) column
GB/Z 32490 Surface chemical analysis - X-ray photoelectron spectroscopy - Procedures for determining backgrounds
GB/Z 32494 Surface chemical analysis - Auger electron spectroscopy - Derivation of chemical information
GB/T 32495 Surface chemical analysis - Secondary-ion mass spectrometry - Method for depth profiling of arsenic in silicon
GB/T 32671.1 Colloidal systems - Methods for zeta potential determination - Part 1: Electroacoustic and electrokinetic phenomena
GB/T 32671.2 Colloidal systems -- Methods for zeta-potential determination -- Part 2: Optical methods
GB/T 32996 Surface chemical analysis - Analysis of metal oxide films by glow-discharge optical emission spectrometry
GB/T 32997 Surface chemical analysis - General procedures for quantitative compositional depth profiling by glow discharge optical emission spectrometry
GB/T 32999 Surface chemical analysis - Depth profiling - Measurement of sputtering rate: mesh-replica method using a mechanical stylus profilometer
GB/T 33087 Ultra pure water for instrumental analysis specification and test methods
GB/T 33425 Evaluation method of anti-caking capacity of anti-caking agent for chemical product
GB/T 33498 Surface chemical analysis - Characterization of nanostructured materials
GB/T 33714 Nanotechnology - Test method for size of nanoparticles - Atomic force microscopy
GB/T 33834 Microbeam analysis - Scanning electron microscopy - Scanning electron microscope analysis of biological specimens
GB/T 33838 Microbeam analysis - Scanning electron microscopy - Methods of evaluating image sharpness
GB/T 40300 Microbeam analysis -- Analytical electron microscopy -- Vocabulary
GB/T 42426 Chemicals -- Vapor pressure test