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GB/T 16482-2009 English PDF

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GB/T 16482-2009: Yttrium-europium oxide-phosphor grade
Status: Valid

GB/T 16482: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 16482-2009English189 Add to Cart 3 days [Need to translate] Yttrium-europium oxide-phosphor grade Valid GB/T 16482-2009
GB/T 16482-1996English199 Add to Cart 2 days [Need to translate] Yttrium-europium oxide--Phosphor grad Obsolete GB/T 16482-1996

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Basic data

Standard ID GB/T 16482-2009 (GB/T16482-2009)
Description (Translated English) Yttrium-europium oxide-phosphor grade
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H65
Classification of International Standard 77.120.99
Word Count Estimation 8,863
Date of Issue 2009-04-23
Date of Implementation 2010-02-01
Older Standard (superseded by this standard) GB/T 16482-1996
Quoted Standard GB/T 8170; GB/T 12690; GB/T 14635; GB/T 18116.1; GB/T 18116.2; GB/T 20170.1-2006
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the yttrium oxide phosphor grade requirements, test methods, inspection rules and signs, packaging, transport and storage. This standard applies to the chemical method were yttrium oxide, available for the production of light rare earth trichromatic phosphor and color TV phosphors and other purposes.

GB/T 16482-2009: Yttrium-europium oxide-phosphor grade

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Yttrium-europium oxide-phosphor grade ICS 77.120.99 H65 National Standards of People's Republic of China Replacing GB/T 16482-1996 Yttrium oxide phosphor grade Posted 2009-04-23 2010-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 16482-1996 "yttrium oxide phosphor grade." This standard compared with GB/T 16482-1996, the main changes are as follows. --- Cancel the original grade (Y, Eu) 2O3, with particle size specification is divided into three grades; --- Adjustment yttrium europium oxide content in the range; --- Value adjustment center particle size (D [V, 50]) range. This standard by the National Standardization Technical Committee rare and centralized. This standard by the Jiangyin Jiahua Advanced Material Resources Co., Ltd., Guangdong Zhujiang Rare Earth Co., Ltd. is responsible for drafting. This standard by Xiamen Topstar New Materials Co., Ltd., Guangdong Jiangmen Branch Hang Industrial Co. AG participated in the drafting. The main drafters of this standard. OF ADMINISTRATIVE Xie Jianwei, Xiao Rui, Jin Yanhua, Lan Wei, Huang Rui sweet. This standard replaces the standards previously issued as follows. --- GB/T 16482-1996. Yttrium oxide phosphor grade

1 Scope

This standard specifies the yttrium oxide phosphor grade requirements, test methods, inspection rules and signs, packaging, transportation and storage. This standard applies to chemical method was yttrium oxide, for the production of light rare earth trichromatic phosphors and color TV phosphors and other purposes.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 8170 numerical rounding rules GB/T 12690 (all parts), oxides of rare earth metals and their chemical impurity analysis of Central Africa Determination of GB/T 14635 method for chemical analysis of rare earth metals and rare earth compound total GB/T 18116.1 yttrium oxide chemical analysis by inductively coupled plasma emission spectrometry lanthanum oxide, yttrium oxide, Cerium oxide, praseodymium oxide, neodymium oxide, samarium oxide, gadolinium oxide, terbium oxide, dysprosium oxide, holmium oxide, erbium oxide, thulium oxide, ytterbium and lutetium oxide amount GB T 18116.2 yttrium oxide chemical analysis of determining the amount of europium oxide / Determination of GB/T 20170.1-2006 physical properties of rare earth metals and rare earth compounds tested compound particle size distribution

3 Requirements

3.1 Chemical composition Grades and chemical composition should be consistent with Table 1. If you have special requirements of the demand side, both supply and demand can be negotiated. Table 1 Product No. 171140A 171140B 171140C chemical composition (Mass fraction) /% REO, not less than 99.0 99.0 99.0 (Y2O3 + Eu2O3)/REO, not less than 99.99 99.99 99.99 Eu2O3/REO 4 ~ 10 4 ~ 10 4 ~ 10 Impurity content, no greater than Rare earth impurities/REO La2O3 0.0002 0.0002 0.0002 CeO2 0.0002 0.0002 0.0002 Pr6O11 0.0002 0.0002 0.0002 Nd2O3 0.0002 0.0002 0.0002 Sm2O3 0.0002 0.0002 0.0002 Gd2O3 0.0002 0.0002 0.0002 Tb4O7 0.0002 0.0002 0.0002 Dy2O3 0.0002 0.0002 0.0002 Ho2O3 0.0002 0.0002 0.0002 Er2O3 0.0002 0.0002 0.0002 Tm2O3 0.0001 0.0001 0.0001

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