Browse Standards

4761+ standards in database

4761 result(s) found

GB/T 24583.7-2019 Active

钒氮合金 氧含量的测定 红外线吸收法

Vanadium-nitrogen—Determination of oxygen content—Infrared absorption method

ICS: 77.100
2020-05-01
GB/T 24583.5-2019 Active

钒氮合金 磷含量的测定 铋磷钼蓝分光光度法

Vanadium-nitrogen—Determination of phosphorus content—Bismuth molybdenum blue spectrophotometric method

ICS: 77.100
2020-05-01
GB/T 24583.4-2019 Active

钒氮合金 碳含量的测定 红外线吸收法

Vanadium-nitrogen—Determination of carbon content—Infrared absorption method

ICS: 77.100
2020-05-01
GB/T 24583.3-2019 Active

钒氮合金 氮含量的测定 蒸馏-中和滴定法

Vanadium-nitrogen—Determination of nitrogen content—Distillation-neutralization titration method

ICS: 77.100
2020-05-01
GB/T 24583.2-2019 Active

钒氮合金 氮含量的测定 惰性气体熔融热导法

Vanadium-nitrogen—Determination of nitrogen content—Thermal conductimetric method after fusion in a current of inert gas

ICS: 77.100
2020-05-01
GB/T 24583.1-2019 Active

钒氮合金 钒含量的测定 硫酸亚铁铵滴定法

Vanadium-nitrogen—Determination of vanadium content—Ammonium ferrous sulfate titration method

ICS: 77.100
2020-05-01
GB/T 23524-2019 Active

石油化工废铂催化剂化学分析方法 铂含量的测定 电感耦合等离子体原子发射光谱法

Method for chemical analysis of petrochemical spent platinum catalyst—Determination of platinum—Inductively coupled plasma atomic emission spectrometry

ICS: 77.120.99
2020-05-01
GB/T 21839-2019 Active

预应力混凝土用钢材试验方法

Test methods of steel for prestressing concrete

ICS: 77.140.65
2020-05-01
GB/T 20975.31-2019 Active

铝及铝合金化学分析方法 第31部分:磷含量的测定 钼蓝分光光度法

Methods for chemical analysis of aluminium and aluminium alloys—Part 31:Determination of phosphorus content—Molybdenum blue spectrophotometry

ICS: 77.120.10
2020-05-01
GB/T 20975.30-2019 Active

铝及铝合金化学分析方法 第30部分:氢含量的测定 加热提取热导法

Methods for chemical analysis of aluminium and aluminium alloys—Part 30:Determination of hydrogen content—Heating extraction-thermal conductivity method

ICS: 77.120.10
2020-05-01
GB/T 20975.29-2019 Active

铝及铝合金化学分析方法 第29部分:钼含量的测定 硫氰酸盐分光光度法

Methods for chemical analysis of aluminium and aluminium alloys—Part 29:Determination of molybdenum content—Thiocyanate spectrophotometry

ICS: 77.120.10
2020-05-01
GB/T 20975.28-2019 Active

铝及铝合金化学分析方法 第28部分:钴含量的测定 火焰原子吸收光谱法

Methods for chemical analysis of aluminium and aluminium alloys—Part 28:Determination of cobalt content—Flame atomic absorption spectrometry

ICS: 77.120.10
2020-05-01
GB/T 20508-2019 Active

碳化钽粉

Tantalum carbide powder

ICS: 77.160
2020-05-01
GB/T 19289-2019 Active

电工钢带(片)的电阻率、密度和叠装系数的测量方法

Methods of measurement of resistivity,density and stacking factor of electrical steel strip and sheet

ICS: 77.040.99
2020-05-01
GB/T 17101-2019 Active

桥梁缆索用热镀锌或锌铝合金钢丝

Hot-dip zinc or zinc-aluminium coated steel wires for bridge cables

ICS: 77.140.65
2020-05-01
GB/T 16597-2019 Active

冶金产品分析方法 X射线荧光光谱法通则

Analytical methods of metallurgical products—General rule for X-ray fluorescence spectrometric methods

ICS: 77.040.30
2020-05-01
GB/T 15076.3-2019 Active

钽铌化学分析方法 第3部分: 铜量的测定 火焰原子吸收光谱法

Methods for chemical analysis of tantalum and niobium—Part 3:Determination of copper content—Flame atomic absorption spectrometry

ICS: 77.120.99
2020-01-01
GB/T 13747.6-2019 Active

锆及锆合金化学分析方法 第6部分:铜量的测定 2,9-二甲基-1,10-二氮杂菲分光光度法

Methods for chemical analysis of zirconium and zirconium alloys—Part 6:Determination of copper content—2,9-Dimethyl-1,10-phenanthroline spectrophotometry

ICS: 77.120.99
2020-01-01
GB/T 13747.5-2019 Active

锆及锆合金化学分析方法 第5部分:铝量的测定 铬天青S-氯化十四烷基吡啶分光光度法

Methods for chemical analysis of zirconium and zirconium alloys—Part 5:Determination of aluminium content—Chronic azurol-S-tetradrcylpyridine chloride spectrophotometry

ICS: 77.120.99
2020-05-01
GB/T 8547-2019 Active

钛-钢复合板

Titanium clad steel plate

ICS: 77.150.50
2020-05-01
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