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Chinese National Standard Category: Rare metals and their alloys analysis method |
English Title: | Methods for chemical analysis of tungsten;The glyoxal bis(2-hydroxyanil)photometric method for the determination of calcium content |
Chinese Title: | 钨化学分析方法 乙二醛双(2-羟基苯胺)光度法测定钙量 |
Standard No.: | GB/T 4324.13-1984 |
Category No.: | H14 |
Issued by: | China Non-Ferrous Metals Industry Association |
Issued on: | 1984-04-12 |
Implemented on: | 1985-3-1 |
Status: | superseded |
Superseded by: | GB/T 4324.13-2008 Methods for chemical analysis of tungsten - Determination of calcium content - The inductively coupled plasma atomic emission spectrometry |
Superseded on: | 2008-12-1 |
Abolished on: | |
Superseding: | SJ/Z 325-1972 YB 895-1977 |
Word Count: | 1500 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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