English Title: | Yttrium oxide of phosphor grade--Determination of trace rare earth oxide contents--Spectrochemical method and direct spectrographic method |
Chinese Title: | 荧光级氧化钇中微量稀土氧化物测定 化学光谱和直接光谱法 |
Standard No.: | GB/T 8762.5-1988 |
Category No.: | H14 |
Issued by: | National Bureau of Standards |
Issued on: | 1988-02-25 |
Implemented on: | 1989-2-1 |
Status: | superseded |
Superseded by: | GB/T 18115.12-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Yttrium - Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and lu
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Superseded on: | 2006-10-1 |
Abolished on: | |
Superseding: | |
Word Count: | 4000 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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