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Chinese National Standard Category: Rare metals and their alloys analysis method

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Status: superseded
Superseded by:GB/T 18115.12-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Yttrium - Determination of lanthanum, cerium,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
Superseded on:2006-10-1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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