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GB/T 20975.36-2020 Active

铝及铝合金化学分析方法 第36部分:银含量的测定 火焰原子吸收光谱法

Methods for chemical analysis of aluminium and aluminium alloys—Part 36:Determination of silver content—Flame atomic absorption spectrometry

ICS: 77.120.10
2021-05-01
GB/T 20975.35-2020 Active

铝及铝合金化学分析方法 第35部分:钨含量的测定 硫氰酸盐分光光度法

Methods for chemical analysis of aluminium and aluminium alloys—Part 35:Determination of tungsten content—Thiocyanate spectrophotometric method

ICS: 77.120.10
2021-05-01
GB/T 20975.3-2020 Active

铝及铝合金化学分析方法 第3部分:铜含量的测定

Methods for chemical analysis of aluminium and aluminium alloys—Part 3:Determination of copper content

ICS: 77.120.10
2021-05-01
GB/T 20975.25-2020 Active

铝及铝合金化学分析方法 第25部分:元素含量的测定 电感耦合等离子体原子发射光谱法

Methods for chemical analysis of aluminium and aluminium alloys—Part 25:Determination of elements content—Inductively coupled plasma atomic emission spectrometric method

ICS: 77.120.10
2021-05-01
GB/T 20975.24-2020 Active

铝及铝合金化学分析方法 第24部分:稀土总含量的测定

Methods for chemical analysis of aluminium and aluminium alloys—Part 24:Determination of total rare earth content

ICS: 77.120.10
2021-05-01
GB/T 20975.23-2020 Active

铝及铝合金化学分析方法 第23部分:锑含量的测定

Methods for chemical analysis of aluminium and aluminium alloys—Part 23:Determination of antimony content

ICS: 77.120.10
2021-05-01
GB/T 20975.22-2020 Active

铝及铝合金化学分析方法 第22部分:铍含量的测定

Methods for chemical analysis of aluminium and aluminium alloys—Part 22:Determination of beryllium content

ICS: 77.120.10
2021-05-01
GB/T 20975.18-2020 Active

铝及铝合金化学分析方法 第18部分:铬含量的测定

Methods for chemical analysis of aluminium and aluminium alloys—Part 18:Determination of chromium content

ICS: 77.120.10
2021-05-01
GB/T 20975.16-2020 Active

铝及铝合金化学分析方法 第16部分:镁含量的测定

Methods for chemical analysis of aluminium and aluminium alloys—Part 16:Determination of magnesium content

ICS: 77.120.10
2021-05-01
GB/T 20975.14-2020 Active

铝及铝合金化学分析方法 第14部分:镍含量的测定

Methods for chemical analysis of aluminium and aluminium alloys—Part 14:Determination of nickel content

ICS: 77.120.10
2021-05-01
GB/T 20975.12-2020 Active

铝及铝合金化学分析方法 第12部分:钛含量的测定

Methods for chemical analysis of aluminium and aluminium alloys—Part 12: Determination of titanium content

ICS: 77.120.10
2021-05-01
GB/T 20975.10-2020 Active

铝及铝合金化学分析方法 第10部分:锡含量的测定

Methods for chemical analysis of aluminium and aluminium alloys—Part 10:Determination of tin content

ICS: 77.120.10
2021-05-01
GB/T 8763-2020 Active

非蒸散型吸气材料及制品吸气性能测试方法

Test methods for gas absorption characteristic of non-evaporation gettering materials and products

ICS: 77.120.99
2021-05-01
GB/T 8704.6-2020 Active

钒铁 硅含量的测定 硫酸脱水重量法和硅钼蓝分光光度法

Ferrovanadium—Determination of silicon content—The sulfuric acid dehydration gralimetric method and the silicomolybdic blue photometric method

ICS: 77.100
2020-10-01
GB/T 8704.5-2020 Active

钒铁 钒含量的测定 硫酸亚铁铵滴定法和电位滴定法

Ferrovanadium—Determination of vanadium content—The ammonium ferrous sulfate titrimetric method and the potentiometric titrimetric method

ICS: 77.100
2020-10-01
GB/T 8704.10-2020 Active

钒铁 硅、锰、磷、铝、铜、铬、镍、钛含量的测定 电感耦合等离子体原子发射光谱法

Ferrovanadium—Determination of silicon, manganese, phosphorus, aluminum, copper, chromium, nickel and titanium contents— Inductively coupled plasma atomic emission spectrometric method

ICS: 77.100
2020-10-01
GB/T 5252-2020 Active

锗单晶位错密度的测试方法

Test method for dislocation density of monocrystal germanium

ICS: 77.040
2021-05-01
GB/T 2272-2020 Active

硅铁

Ferrosillicon

ICS: 77.100
2020-10-01
GB/T 223.37-2020 Active

钢铁及合金 氮含量的测定 蒸馏分离靛酚蓝分光光度法

Iron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation

ICS: 77.080.01
2021-01-01
GB/T 39041-2020 Active

钢筋混凝土用碳素钢-纤维增强复合材料复合钢筋

Carbon steel-fiber reinforced plastic clad bars for reinforcement concrete

ICS: 77.140.60
2021-02-01
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