GB/T 8654.6-1988
金属锰化学分析方法 盐酸联氨-碘量法测定硒量
Methods for chemical analysis of manganese metal--The diamine hydrochloride-iodo-metric method for the determination of selenium content
- 实施日期
- 1989-02-01
- ICS 分类
- 77.080
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 8654.6-1988
Methods for chemical analysis of manganese metal--The diamine hydrochloride-iodo-metric method for the determination of selenium content
GB/T 223.63-1988
Methods for chemical analysis of iron,steel and alloy--The sodium (potassium) periodate photometric method for the determination of manganese content
GB/T 223.3-1988
Methods forchemical analysis of iron,steel and alloy--The diantipyryl methane phosphomolybdate gravimetric method for the determination of phosphorus content
GB/T 223.62-1988
Methods for chemical analysis of iron,steel and alloy--The butyl acetate extraction photometric method for the determination of phosphorus content
GB/T 223.61-1988
Methods for chemical analysis of iron,steel and alloy--The ammonium phosphomolybdate volumetric method for the determination of phosphorus content
GB/T 704-1988
Dimensions,shape,weight and tolerances for hot-rolled flats
GB/T 8545-1987
Die forgings of aluminium and aluminium alloy--Dimensional tolerance and machining allowance
GB/T 8493-1987
Metallograph of cast carbon steels for general engineering purposes
GB/T 1176-1987
Specification for cast copper alloys
GB/T 8005-1987
Aluminium and aluminium alloys--Terms and definitions
GB/T 223.58-1987
Methods for chemical analysis of iron,steel and alloy--The extraction-absorption catalytic polarographic method for the determination of manganese content
GB/T 7731.5-1987
Methods for chemical analysis of ferrotungsten--The molybdenum blue photometric method for the determination of silicon content
GB/T 7731.4-1987
Methods for chemical analysis of ferrotungsten--The molybdenum blue photometric method for the determination of phosphorus content
GB/T 7731.1-1987
Methods for chemical analysis of ferrotungsten--The cinchonine gravimetric method for the determination of tungsten content
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 223.51-1987
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 223.57-1987
Methods for chemical analysis of iron,steel and alloy--The extraction-absorption catalytic polarographic method for the determination of cadmium content
GB/T 223.54-1987
Methods for chemical analysis of iron,steel and alloy--The flame atomic absorption spectrophotometric method for the determination of nickel content
GB/T 223.53-1987
Methods for chemical analysis of iron,steel and alloy--The flame atomic absorption spectrophotometric method for the determination of copper content
GB/T 7738-1987
Notations for designation of ferroalloys