GB/T 5838.44-2015Phosphors - Part 4-4: Phosphor for color picture tubes (English PDF)
荧光粉 第4-4部分：彩色显像管用荧光粉
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 15, 2015
Implementation date
January 1, 2016
Scope
GB/T 5838.44-2015 is the English-translated version of 荧光粉 第4-4部分：彩色显像管用荧光粉.
GB/T 5838.44-2015 is the Chinese standard "Phosphors - Part 4-4: Phosphor for color picture tubes". Its scope clause reads: This section provides Y22-G3, Y22-B2, Y22-R4 phosphor requirements, test methods, inspection rules, logo and packaging, transportation And storage.
This section applies to a color picture tube phosphors. Its clauses include terms and definitions; requirements.
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Document preview — GB/T 5838.44-2015
National Standard of the People's Republic of China
- ICS
- 31.030
- Classification
- L 90
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Requirements
- 5 Test Method
- 6 Inspection rules
- 7 logo
- 8 packaging, transportation and storage of
1 Scope
This section provides Y22-G3, Y22-B2, Y22-R4 phosphor requirements, test methods, inspection rules, logo and packaging, transportation
And storage.
This section applies to a color picture tube phosphors.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 191 Packaging - Pictorial signs
GB/T 31418.3-2015 phosphor Part 3. Performance test methods
GB/T 5838 phosphor terminology
3 Terms and Definitions
Terms and definitions GB/T 5838 defined apply to this document.
4 Requirements
4.1 composition, crystal form, appearance and luminous color
Composition, crystal form, appearance and luminous colors to comply with Table 1.
Table 1
No. Species composition polymorph luminous color appearance
1 Y22-G3 ZnS.Cu · Al cubic crystal light yellow-green powder
In the cathode-ray or UV 365nm
Excitation light yellow-green hair
2 Y22-B2 ZnS.Ag · Cl CoO · Al2O3 cubic crystal light blue powder
In the cathode-ray or UV 365nm
Excited by blue light
3 Y22-R4 Y2O2S.Eu alpha-Fe2O3 cubic crystal powder pink
In the cathode-ray or UV 365nm
Red light excitation
4.2 mechanical impurities
It should be free of mechanical impurities.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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Related Standards
GB/T 5838.45-2015 — Phosphors—Part 4-5: Phosphor for color display tubes
GB/T 5838.43-2015 — Phosphors - Part 4-3: Phosphor for oscilloscope tubes and display tubes
GB/T 5838.42-2015 — Phosphors - Part 4-2: Phosphors for indicator tubes
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