GB/T 5124.3-1985
硬质合金化学分析方法 电位滴定法测定钴量
Methods for chemical analysisof hardmetals--The potentiometric method for the determination of cobalt content
- 实施日期
- 1986-02-01
- ICS 分类
- 77.160
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 5124.3-1985
Methods for chemical analysisof hardmetals--The potentiometric method for the determination of cobalt content
GB/T 5124.4-1985
Methods for chemical analysis of hardmetals--The photometric peroxide method for the determination of titanium content
GB/T 4702.8-1985
Methods for chemical analysis of chromium metal--The distillation-molybdenum blue spectrophotometricmethod for the determination of arsenic content
GB/T 4702.11-1985
Methods for chemical analysis of chromium metal--The alizarin violet spectrophotometric method for the determination of tin content
GB/T 4702.9-1985
Methods for chemical analysis of chromium metal--The crystal violet spectrophotometric method for the determination of antimony content
GB/T 4702.10-1985
Methods for chemical analysis of chromium metal--The cupral spectrophotometric method for the determination of copper content
GB/T 346-1984
Galvanized low carbon steel wire for electric communications lines
GB/T 222-1984
Method of sampling steel for determination of chemical composition and permissible variations for product analysis
GB 4463-1984
Heat-treated steel bar for prestressed concrete
GB/T 4333.7-1984
Methods for chemical analysis of ferrosilicon--The chromatographic separation-barium sulfate gravimetric method for the determination of sulfur content
GB/T 4333.1-1984
Methods for chemical analysis of ferrosilicon--The perchloric acid dehydration-gravimetric method for the determination of silicon content
GB/T 4309-1984
Classification and designation for powder metallurgy materials
GB/T 4236-1984
Steel--Examination by sulphur print (Baumann method)
GB/T 4197-1984
Method for measuring the average grain size of sintered bar and rod of tungsten molybdenum and alloys
GB/T 4196-1984
Method for testing the density of tungsten and molybdenum bars
GB/T 4195-1984
Method for measuring the distribution of the powder size of tungsten and molybdenum method by the balance for the fall of the particles
GB/T 4194-1984
Creep testing,high temperature treatment and metallographic examination of the tungsten wires
GB/T 4193-1984
Method for measuring the density of the fine wire and ribbon of tungsten and molybdenum used in electric light sources and vacuumtubes
GB/T 4192-1984
Method for the determination of the resistivity of tungsten and molybdenum used in electric light sources and vacuumtubes
GB/T 4190-1984
Doped molybdenum bars