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Chinese National Standard Category: Rare metals and their alloys analysis method |
English Title: | 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 |
Chinese Title: | 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 |
Standard No.: | GB/T 4698.22-2017 |
Category No.: | H14 |
Issued by: | AQSIQ; SAC |
Issued on: | 2017-09-29 |
Implemented on: | 2018-7-1 |
Status: | valid |
Superseded by: | |
Superseded on: | |
Abolished on: | |
Superseding: | GB/T 4698.22-1996 Sponge titanium, titanium and titanium alloys-Determination of niobium content-2-(5-Bromo-2-pyridylazo)-5-Diethylaminophenol spectrophotometric method |
Word Count: | 5500 words |
Similar Standards: | YS/T 230.1-1994 YS/T 230.3-1994 GB/T 16480.1-1996 YS/T 230.5-1994 GB/T 16480.4-1996 YS/T 230.6-1994 GB/T 18115.7-2000 GB/T 18115.10-2000 YS/T 230.2-1994 GB 11074.2-1989 YS/T 230.7-1994 GB/T 18115.8-2000 GB/T 18116.2-2000 YB 1503-1977 GB/T 18115.2-2000 YS/T 474-2005 GB/T 18115.6-2000 GB/T 18115.5-2000 GB/T 18115.4-2000 YS/T 230.4-1994 |
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