GB 223.19-1989
Iron and steel and alloy chemical analysis method Neocuproine-chloroform extraction photometric method for determination of copper content (English Version)

Standard No.
GB 223.19-1989
Language
Chinese, Available in English version
Release Date
1963
Published By
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB 223.19-1989

GB 223.19-1989 history

  • 1963 GB 223.19-1989 Iron and steel and alloy chemical analysis method Neocuproine-chloroform extraction photometric method for determination of copper content

GB 223.19-1989 -All Parts

GB 223.17-1989 Methods for chemical analysis of iron, steel and alloys Diantipyrine methane spectrophotometric method for determination of titanium content GB 223.18-1982 Chemical analysis of iron,steel and alloy--The determination of copper by thiosulfate-iodide method GB 223.19-1989 Iron and steel and alloy chemical analysis method Neocuproine-chloroform extraction photometric method for determination of copper content GB 223.20-1982 Chemical analysis of iron,steel and alloy--The determination of cobalt by the potentiometric titration method GB 223.21-1982 Chemical analysis of iron,steel and alloy--The determination of cobalt by the 5-Cl-PADAB photometric method GB 223.22-1982 Chemical analysis of iron,steel and alloy--The determination of cobalt by the nitroso-R salt photometric method GB 223.23-1982 Chemical analysis of iron,steel and alloy--The determination of nickel by dimethylglyoxime photometric method GB 223.24-1982 Chemical analysis of iron,steel and alloy--The determination of nickel by the dimethylglyoxime-trichloromethane extraction photometric method GB 223.27-1984 Methods for chemical analysis of iron,steel and alloy--The thiocyanate-butyl acetate extraction photometric method for the determination of molybdenum content GB 223.28-1989 Method for chemical analysis of iron, steel and alloy α-benzoin oxime gravimetric method for determination of molybdenum content GB 223.3-1988 Methods for chemical analysis of iron, steel and alloys-Diantipyrine methane phosphomolybdic acid gravimetric method for determination of phosphorus content GB 223.30-1984 Methods for chemical analysis of iron,steel and alloy--The arsenazo 3 photometric method for the determination of zirconium content after separation by p-bromomandelic acid GB 223.31-1984 Methods for chemical analysis of iron,steel and alloy--The distillation-molybdenum blue photometric method for the determination of arsenic content GB 223.32-1984 Methods for chemical analysis of iron,steel and alloy--The hypophosphite reduction-iodimetric method for the determination of arsenic content GB 223.33-1984 Methods for chemical analysis of iron,steel and alloy--The chlorophosphonazo mA photometric method for the determination of cerium content after extraction separation GB 223.36-1985 Methods for chemical analysis of iron,steel and alloy--The volumetric method for the determination of nitrogen content after distillation separation GB 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 seperation GB 223.38-1985 Chemical analysis method of iron, steel and alloy Ion exchange separation gravimetric method for determination of niobium content GB 223.39-1985 Methods for chemical analysis of iron,steel and alloy--The sulphochlorophenol S photometric method for the determination of niobium content GB 223.41-1985 Iron and steel and alloy chemical analysis method ion exchange separation-pyrogallol photometric determination of tantalum content GB 223.42-1985 Chemical analysis method of iron, steel and alloy Ion exchange separation of bromide o Glycinol red photometric method for determination of tantalum content GB 223.43-1985 Methods for chemical analysis of iron,steel and alloy--The cinchonine gravimetric method for the determination of tungsten content GB 223.44-1985 Methods for chemical analysis of iron,steel and alloy--The tetraphenylarsonium chloride-thiocyanate-trichloromethane extraction photometric method for the determination of tungsten content GB 223.45-1985 Methods for chemical analysis of iron,steel and alloy--The cupral separation-xylidyl blue 2 photometric method for the determination of magnesium content GB 223.46-1985 Methods for chemical analysis of iron, steel and alloys - Determination of magnesium content by atomic absorption spectrophotometry GB 223.47-1985 methods for chemical analysis of iron,steel and alloy--The carrier precipitation-molybdenum blue photometric method for the determination of antimony content GB 223.49-1985 Methods for chemical analysis of iron,steel and alloy--The extraction separation-chlorophosphonazo mA photometric method for the determination of rare earth elements GB 223.50-1985 Methods for chemical analysis of iron,steel and alloy--The phenylfluorone-CTMAB direct photometric method for the determination of tin content GB 223.51-1987 Iron and steel and alloy chemical analysis method 5-Br-PADAP photometric determination of zinc content GB 223.52-1987 Hydroxylamine hydrochloride-iodometric method for chemical analysis of steel and alloys for the determination of selenium GB 223.53-1987 Methods for Chemical Analysis of Iron, Steel and Alloys - Determination of Copper Content by Flame Atomic Absorption Spectrophotometry GB 223.54-1987 Methods for Chemical Analysis of Iron, Steel and Alloys by Flame Atomic Absorption Spectrophotometry for the Determination of Nickel Content GB 223.57-1989 Iron and steel and alloy chemical analysis method extraction separation-adsorption catalytic polarography for determination of cadmium content GB 223.58-1987 Methods for chemical analysis of iron, steel and alloys Sodium arsenite-sodium nitrite titration for the determination of manganese content GB 223.6-1981 Determination of boron content in iron,steel and alloy GB 223.61-1988 Chemical Analysis Method for Iron, Steel and Alloy Ammonium Phosphomolybdate Volumetric Method for Determination of Phosphorus GB 223.62-1988 Method for Chemical Analysis of Iron, Steel and Alloy Butyl Acetate Extraction Spectrophotometric Determination of Phosphorus GB 223.63-1988 Chemical analysis methods of steel and alloys Sodium periodate (potassium) spectrophotometric determination of manganese content GB 223.65-1988 Methods for Chemical Analysis of Iron, Steel and Alloys Flame Atomic Absorption Spectrometry Determination of Cobalt Content


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