Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 20975.37-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 37:Determination of niobium content 铝及铝合金化学分析方法 第37部分:铌含量的测定 |
China National Standards Niobium niobium alloys |
English PDF |
GB/T 38513-2020 |
Methods for chemical analysis of niobium hafnium alloys—Determination of hafnium,titanium,zirconium,tungsten,tantalum contents—Inductively coupled plasma atomic emission spectrometry 铌铪合金化学分析方法 铪、钛、锆、钨、钽等元素的测定 电感耦合等离子体原子发射光谱法 |
China National Standards Niobium niobium alloys |
English PDF |
GB/T 4698.22-2017 |
Methods for chemical analysis of titanium sponge ,titanium and titanium alloys—Part 22:Determination of niobium content—5-Br-PADAP spectrophotometry and inductively coupled plasma atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法 第22部分:铌量的测定 5-Br-PADAP分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards Niobium niobium alloys |
English PDF |
GB/T 13747.25-2017 |
Methods for chemical analysis of zirconium and zirconium alloys—Part 25:Determination of niobium content—2-(5-bromo-2-pyridylazo)-5-diethylam inophenol spectrophotometry and inductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法 第25部分:铌量的测定 5-Br-PADAP分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards Niobium niobium alloys |
English PDF |
GB/T 26009-2010 |
Niobium-Zirconium alloys seamless tube for electric light source 电光源用铌锆合金无缝管 |
China National Standards Niobium niobium alloys |
English PDF |
GB/T 14842-2007 |
Niobium and niobium alloys rods and bars 铌及铌合金棒材 |
China National Standards Niobium niobium alloys |
English PDF |
GB/T 4698.22-1996 |
Sponge titanium,titanium and titanium alloys--Determination of niobium content-2-(5-Bromo-2-pyridylazo)-5-Diethylaminophenol spectrophotometric method 海绵钛、钛及钛合金化学分析方法 5-Br-PADAP分光光度法测定铌量 |
China National Standards Niobium niobium alloys |
English PDF |
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