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www.ChineseStandard.net Database: 189759 (19 Oct 2025)
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Std ID Description (Standard Title) Detail
GB/T 223.10-1991 Methods for chemical analysis of iron, steel and alloy--The cupferron separation-chrome azurol S photometric method for the determination of aluminium content GB/T 223.10-1991
GB/T 223.10-2000 Methods for chemical analysis of iron, steel and alloy -- The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content GB/T 223.10-2000
GB/T 223.11-1991 Methods for chemical analysis of iron, steel and alloy--The ammonium persulfate oxidation volumetric method for the determination of chromium content GB/T 223.11-1991
GB/T 10002.1-1996 Unplasticized polyvinyl chloride (PVC-U) pipe for water supply GB/T 10002.1-1996
GB/T 223.1-1981 Determination of carbon content in iron, steel and alloy GB/T 223.1-1981
GB/T 11064.3-1989 Lithium carbonate--Determination of lithium chloride content--Potentiometric method GB/T 11064.3-1989
GB/T 223.13-1989 Methods for chemical analysis of iron, steel and alloy--The ammonium ferrous sulfate titration method for the determination of vanadium content GB/T 223.13-1989
GB/T 223.13-2000 Methods for chemical analysis of iron, steel and alloy. The ammonium ferrous sulfate titration method for the determination of vanadium content GB/T 223.13-2000
GB/T 223.14-1989 Methods for chemical analysis of iron, steel and alloy--The N-benzoyl-N-phenylhydroxylamine extraction photometric method for the determination of vanadium content GB/T 223.14-1989
GB/T 223.14-2000 Methods for chemical analysis of iron, steel and alloy. The N-benzoyl-N-phenylhydroxylamine extraction photometric method for the determination of vanadium content GB/T 223.14-2000
GB/T 223.15-1982 Chemical analysis of iron, steel and alloy--The determination of titanium by gravimetric method GB/T 223.15-1982
GB/T 223.16-1991 Methods for chemical analysis of iron, steel and alloy. The chromotropic acid photometric method for the determination of titanium content GB/T 223.16-1991
GB/T 10305-1988 Test method for particle distribution of cathode carbonates by centrifugation sedimentation GB/T 10305-1988
GB/T 10002.1-2006 Unplasticized poly (vinyl chloride) (PVC-U) pipes for water supply GB/T 10002.1-2006
GB/T 11064.4-1989 Lithium carbonate, lithium hydroxide monohydrate and lithium chloride--Determination of sodium and potassium contents--Flame atomic absorption spectrometric method GB/T 11064.4-1989
GB/T 223.20-1994 Methods for chemical analysis of iron steel and alloy. The Potentiometric titration method for the determination of cobalt content GB/T 223.20-1994
GB/T 223.21-1994 Methods for chemical analysis of iron steel and alloy. The 5-Cl-PADAB spectrophotometric method for the determination of cobalt content GB/T 223.21-1994
GB/T 223.2-1981 Determination of sulphur content in iron, steel and alloy GB/T 223.2-1981
GB/T 223.22-1994 Methods for chemical analysis of iron, steel and alloy. The nitroso-R-salt spectrophotometric method for the determination of cobalt content GB/T 223.22-1994
GB/T 223.23-1994 Methods for chemical analysis of iron, steel and alloy. The dimethylglyoxime spectrophotometric method for the determination of nickel content GB/T 223.23-1994
GB/T 10002.2-1988 Unplasticized polyvinyl chloride (PVC-U) fitting for water supply GB/T 10002.2-1988
GB/T 223.24-1994 Methods for chemical analysis of iron, steel and alloy. The extraction seperation--The dimethylglyoxime spectrophotometric method for the determination of nickel content GB/T 223.24-1994
GB/T 223.25-1994 Methods for chemical analysis of iron, steel and alloy. The dimethylglyoxime gravimetric method for the determination of nickel content GB/T 223.25-1994
GB/T 223.26-1989 Methods for chemical analysis of iron, steel and alloy--The thiocyanate direct photometric method for the determination of molybdenum content GB/T 223.26-1989
GB/T 223.26-2008 Iron, steel and alloy -- Determination of molybdenum content -- The thiocyanate spectrophotometric method GB/T 223.26-2008
GB/T 223.27-1994 Methods for chemical analysis of iron, steel and alloy. The thiocyanate-butyl acetate extraction spectrophotometric method for the determination of molybdenum content GB/T 223.27-1994
GB/T 223.28-1989 Methods for chemical analysis of iron, steel and alloy. The α-benzoin oxime gravimetric method for the determination of molybdenum content GB/T 223.28-1989
GB/T 223.29-1984 Methods for chemical analysis of iron, steel and alloy--The xylenol orange photometric method for determination of lead content after carrier precipitation GB/T 223.29-1984
GB/T 223.29-2008 Iron, steel and alloy -- Determination of lead content -- Carrier precipitation-xylenol orange spectrophotometric method GB/T 223.29-2008
GB/T 223.30-1994 Methods for chemical analysis of iron, steel and alloy. The arsenazo Ⅲ spectrophotometric method for the determination of zirconium content after separation by p-bromomandelic acid GB/T 223.30-1994
GB/T 223.31-1994 Methods for chemical analysis of iron, steel and alloy. The distillation-molybdenum blue spectrophotometric method for the determination of arsenic content GB/T 223.31-1994
GB/T 11064.5-1989 Lithium carbonate, lithium hydroxide monohydrate and lithium chloride--Determination of calcium content--Flame atomic absorption spectrometric method GB/T 11064.5-1989
GB/T 223.3-1988 Methods for chemical analysis of iron, steel and alloy. The diantipyryl methane phosphomolybdate gravimetric method for the determination of phosphorus content GB/T 223.3-1988
GB/T 223.32-1994 Methods for chemical analysis of iron, steel and alloy. The hypophosphite reduction-iodimetric method for the determination of arsenic content GB/T 223.32-1994
GB/T 223.33-1994 Methods for chemical analysis of iron, steel and alloy. The chlorophosphonazo mA photometric method for the determination of cerium content after extraction separation GB/T 223.33-1994
GB/T 223.34-1984 Methods for chemical analysis of iron, steel and alloy The determination of hydrochloric acid-insoluble content of iron powder GB/T 223.34-1984
GB/T 223.34-2000 Methods for chemical analysis of iron, steel and alloy. The determination of hydrochloric acid-insoluble content of iron powders GB/T 223.34-2000
GB/T 223.35-1985 Methods for chemical analysis of iron, steel and alloy--The pulse heating inert gas fusion-coulometric titration method for the determination of oxygen content GB/T 223.35-1985
GB/T 223.36-1994 Methods for chemical analysis of iron, steel and alloy. The neutral titration method for the determinaion of nitrogen content after distillation separation GB/T 223.36-1994
GB/T 223.37-1989 Methods for chemical analysis of iron, steel and alloy. The indophenol blue photometric methods for the determination of nitrogen content after distillation separation GB/T 223.37-1989
GB/T 223.38-1985 Methods for chemical analysis of iron, steel and alloy. The anion-exchange separation-gravimetric method for the determination of niobium content GB/T 223.38-1985
GB/T 223.39-1994 Methods for chemical analysis iron, steel and alloy. The sulphochlorophenol S photometric method for the determination of niobium content GB/T 223.39-1994
GB/T 223.40-1985 Methods for chemical analysis of iron, steel and alloy--The anion-exchange separation-sulphochlorophenol S photometric method for the determination of niobium content GB/T 223.40-1985
GB/T 223.40-2007 Iron, steel and alloy -- Determination of niobium content by the sulphochlorophenol S spectrophotometric method GB/T 223.40-2007
GB/T 223.41-1985 Methods for chemical analysis of iron, steel and alloy. The anion-exchange separation-pyrogallol photometric method for the determination of tantalum content GB/T 223.41-1985
GB/T 223.4-1988 Methods for chemical analysis of iron, steel and alloy--The volumetric method for determination of manganese content by ammonium nitrate oxidation GB/T 223.4-1988
GB/T 223.4-2008 Iron, steel and alloy -- Determination of manganese content -- Potentiometric or visual titration method GB/T 223.4-2008
GB/T 223.42-1985 Methods for chemical analysis of iron, steel and alloy. The anion-exchange separation-bromopyrogallol red photometric method for the determination of tantalum content GB/T 223.42-1985
GB/T 223.43-1994 Methods for chemical analysis of iron, steel and alloy. Determination of tungsten content GB/T 223.43-1994
GB/T 223.43-2008 Iron, steel and alloy -- Determination of tungsten content -- Gravimetric method and spectrophotometric method GB/T 223.43-2008
GB/T 223.44-1994 Methods for chemical analysis of iron, steel and alloy. The tetraphenylarsonium chloride-thiocyanate-trichloromethane extraction photometric method for the determination of tungsten comtent GB/T 223.44-1994
GB/T 223.45-1994 Methods for chemical analysis of iron, steel and alloy. The cupral Separation-xylidyl blue IIphotometric method for the determination of magnesium content GB/T 223.45-1994
GB/T 223.46-1989 Methods for chemical analysis of iron, steel and alloy. The flame atomic absorption spectrometric method for the determination of magnesium content GB/T 223.46-1989
GB/T 223.47-1994 Methods for chemical analysis of iron, steel and alloy. The carrier precipitation-molybdenum blue photometric method for the determination of antimony content GB/T 223.47-1994
GB/T 223.48-1985 Methods for chemical analysis of iron, steel and alloy. The semixylenol orange photometric method for the determination of bismuth content GB/T 223.48-1985
GB/T 223.49-1994 Methods for chemical analysis of iron, steel and alloy. Extraction separation-chlorophosphonazo mA spectrophotometric method for the determination of the total rare earth content GB/T 223.49-1994
GB/T 223.50-1994 Methods for chemical analysis of iron, steel and alloy. The phenylfluorone-CTMAB direct photometric method for the determination of tin content GB/T 223.50-1994
GB/T 223.51-1987 Methods for chemical analysis of iron, steel and alloy. The 2-(5-Bromo-2-pyridylazo)-5-diethylaminophenol photometric method for the determination of zinc content GB/T 223.51-1987
GB/T 223.5-1988 Methods for chemical analysis of iron, steel and alloy--The oxalic acid-ferrous sulfate molybdosilicate blue complex photometric method for the determination of silicon content GB/T 223.5-1988
GB/T 223.5-1997 Methods for chemical analysis of iron, steel and alloy. The reduced molybdosilicate spectrophotometric method for the determination of acid-soluble silicon content GB/T 223.5-1997
GB/T 223.5-2008 Steel and iron -- Determination of acid-soluble silicon and total silicon content -- Reduced molybdosilicate spectrophotometric method GB/T 223.5-2008
GB/T 223.52-1987 Methods for chemical analysis of iron, steel and alloy. The hydroxylamine hydrochloride-iodometric method for the determination of selenium content GB/T 223.52-1987
GB/T 10002.2-2003 Fittings made of unplasticized poly (vinyl chloride) (PVC-U) for water supply GB/T 10002.2-2003
GB/T 11064.6-1989 Lithium carbonate, lithium hydroxide monohydrate and lithium chloride--Determination of magnesium content--Flame atomic absorption spectrometric method GB/T 11064.6-1989
GB/T 223.55-1987 Methods for chemical analysis of iron, steel and alloy--The direct oscillopolarographic method for the determination of tellurium content GB/T 223.55-1987
GB/T 223.55-2008 Iron, steel and alloy -- Determination of tellurium content -- Oscillo-polarographic method GB/T 223.55-2008
GB/T 223.56-1987 Methods for chemical analysis of iron, steel and alloy--The sulfhydryl cotton fiber separation-oscillopolarographic method for the determination of tellurium content GB/T 223.56-1987
GB/T 223.57-1987 Methods for chemical analysis of iron, steel and alloy - The extraction - Absorption catalytic polarographic method for the determination of cadmium content GB/T 223.57-1987
GB/T 10002.3-1996 Unplasticized polyvinyl chloride (PVC-U) pipes for buried drainage and sewerage systems GB/T 10002.3-1996
GB/T 223.59-1987 Methods for chemical analysis of iron, steel and alloy--The reduced molybdoantimonyl phosphoric acid photometric method for the determination of phosphorus content GB/T 223.59-1987
GB/T 11064.7-1989 Lithium carbonate, lithium hydroxide monohydrate and lithium chloride--Determination of iron content--1. 10-phenanthroline spectrophotometric method GB/T 11064.7-1989
GB/T 223.60-1987 Methods for chemical analysis of iron, steel and alloy--The perchloric acid dehydration for the determination of silicon content GB/T 223.60-1987
GB/T 10002.3-2011 Valves made of unplasticized poly (vinyl chloride) (PVC-U) for water supply GB/T 10002.3-2011
GB/T 11064.8-1989 Lithium carbonate, lithium hydroxide monohydrate and lithium chloride--Determination of silicon content--Molybdenum blue spectrophotometric method GB/T 11064.8-1989
GB/T 223.6-1994 Methods for chemical analysis of iron, steel and alloy. The neutralization titrimetric method for the determination of boron content GB/T 223.6-1994
GB/T 1000-2016 Dimensions and characteristics of pin insulators of ceramic for high-voltage overhead lines GB/T 1000-2016
GB/T 11064.9-1989 Lithium carbonate, lithium hydroxide monohydrate and lithium chloride--Determination of sulphide content--Reduction titrimetric method GB/T 11064.9-1989
GB/T 223.64-1988 Methods for chemical analysis of iron, steel and alloy--The flame atomic absorption spectrometric method for the determination of manganese content GB/T 223.64-1988
GB/T 10003-1996 Biaxially oriented polypropylene plain film GB/T 10003-1996
GB/T 223.65-1988 Methods for chemical analysis of iron, steel and alloy--The flame atomic absorption spectrometric method for the determination of cobalt content GB/T 223.65-1988
GB/T 223.65-2012 Steel, iron and alloy -- Determination of cobalt content -- Flame atomic absorption spectrometric method GB/T 223.65-2012
GB/T 223.66-1989 Methods for chemical analysis of iron, steel and alloy - The thiocyanate-chlorpromazine hydrochloride-chloroform extraction photometric method for the determination of tungsten content GB/T 223.66-1989
GB/T 223.67-1989 Methods for chemical analysis of iron, steel and alloy--The reducing distillation-methylene blue photometric method for the determination of sulfur content GB/T 223.67-1989
GB/T 11066.10-2009 Methods for chemical analysis of gold -- Determination of silicon content -- Molybdenum blue spectrophotometry GB/T 11066.10-2009
GB/T 223.68-1989 Methods for chemical analysis of iron, steel and alloy--The combustion potassium iodate volumetric method for the determination of sulfur content GB/T 223.68-1989
GB/T 11066.1-1989 Gold--Determination of gold content--Fire assaying method GB/T 11066.1-1989
GB/T 223.69-1989 Methods for chemical analysis of iron, steel and alloy--The combustion volumetric method for the determination of carbon content GB/T 223.69-1989
GB/T 223.69-1997 Methods for chemical analysis of iron, steel and alloy. The gas-volumetric method after combustion in the pipe furnace for the determination of carbon content GB/T 223.69-1997
GB/T 11066.1-2008 Methods for chemical analysis of gold -- Determination of gold content -- Fire assaying method GB/T 11066.1-2008
GB/T 223.70-1989 Methods for chemical analysis of iron, steel and alloy--The o-phenanthroline spectrophotometric method for the determination of iron content GB/T 223.70-1989
GB/T 223.70-2008 Iron, steel and alloy -- Determination of iron contents -- O-phenanthroline spectrophotometric method GB/T 223.70-2008
GB/T 223.71-1991 Methods for chemical analysis of iron, steel and alloy--The combustion gravimetric method for the determination of carbon content GB/T 223.71-1991
GB/T 11066.2-1989 Gold--Determination of silver content--Flame atomic absorption spectometric method GB/T 11066.2-1989
GB/T 223.7-1981 Determination of iron content in alloy and powder GB/T 223.7-1981
GB/T 223.7-2002 Iron powder -- Determination of iron content -- Potassium dichromate titration method GB/T 223.7-2002
GB/T 223.72-1991 Methods for chemical analysis of iron, steel and alloy--The alumina chromatographic separation-barium sulfate gravimetric method for the deteremination of sulphur content GB/T 223.72-1991
GB/T 10306-1988 Cathode carbonates GB/T 10306-1988
GB/T 223.73-1991 Methods for chemical analysis of iron, steel and alloy--The titanium trichloride-potassium dichromate volumetric method for the determination of iron content GB/T 223.73-1991
GB/T 223.73-2008 Iron, steel and alloy -- Determination of iron contents -- Titanium trichloride-potassium dichromate titration method GB/T 223.73-2008
GB/T 223.74-1991 Methods for chemical analysis of iron, steel and alloy--The combustion gravimetric/gasometric method for the determination of non-combined carbon content GB/T 223.74-1991