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| Chinese National Standard Category: Rare metals and their alloys analysis method |
| English Title: | Zirconium and hafnium oxides;Determination of zirconium(hafnium)oxide contents;Mandelic acid gravimetric method |
| Chinese Title: | 氧化锆,氧化铪中氧化锆和氧化铪含量的测定(苦杏仁酸重量法) |
| Standard No.: | GB/T 2590.1-1981 |
| Category No.: | H14 |
| Issued by: | chinania |
| Issued on: | 1981-06-07 |
| Implemented on: | 1982-3-1 |
| Status: | superseded |
| Superseded by: | YS/T 568.1-2006 Zirconium and hafnium oxides--Determination of zirconium(hafnium)oxide contents--Mandelic acid gravimetric method |
| Superseded on: | 2006-10-11 |
| Abolished on: | 2007-09-29 |
| Superseding: | |
| Word Count: | 500 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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