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Database: 189759 (19 Oct 2025)
YS/T 638-2007 English PDF
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YS/T 638-2007
English
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Lithium carbonate for production of colored phosphor powder
Obsolete
YS/T 638-2007
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Basic data
Standard ID
YS/T 638-2007 (YS/T638-2007)
Description (Translated English)
Lithium carbonate for production of colored phosphor powder
Sector / Industry
Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard
G12
Classification of International Standard
71.060.50
Word Count Estimation
6,653
Date of Issue
2007-04-13
Date of Implementation
2007-10-01
Quoted Standard
GB/T 1480; GB/T 11064
Regulation (derived from)
NDRC Notice No. 22 of 2007
Issuing agency(ies)
National Development and Reform Commission
Summary
This standard specifies the color phosphors with lithium carbonate requirements, test methods, test rules, marking, packaging, transport and storage and so on. This standard applies to industrial lithium hydroxide monohydrate or industrial lithium carbonate as raw material, the use of phosphate precipitation method and the obtained lithium carbonate, the product used for the production of colored phosphors.