GB/T 8762.5-1988
Yttrium oxide of phosphor grade--Determination of trace rare earth oxide contents--Spectrochemical method and direct spectrographic method (English Version)

Standard No.

GB/T 8762.5-1988

Language

Chinese, Available in English version

Release Date

1988

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2006-10

Replace By

GB/T 18115.12-2006

Latest

GB/T 18115.12-2006

Scope

This standard applies to lanthanum oxide, cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, europium oxide, gadolinium oxide, terbium oxide, dysprosium oxide, holmium oxide, erbium oxide, thulium oxide, ytterbium oxide and lutetium oxide in fluorescent grade yttrium oxide simultaneous measurement. The measurement range is shown in Table 1.

GB/T 8762.5-1988 history

• 2006 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 lutetium conte
• 1988 GB/T 8762.5-1988 Yttrium oxide of phosphor grade--Determination of trace rare earth oxide contents--Spectrochemical method and direct spectrographic method

GB/T 8762.5-1988 Yttrium oxide of phosphor grade--Determination of trace rare earth oxide contents--Spectrochemical method and direct spectrographic method was changed to 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 lutetium conte.

GB/T 8762.5-1988 -All Parts