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GB/T 5838.42-2015Phosphors - Part 4-2: Phosphors for indicator tubes (English PDF)

荧光粉第4-2部分：指示管用荧光粉

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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 5838.42-2015 is the English-translated version of 荧光粉第4-2部分：指示管用荧光粉.

GB/T 5838.42-2015 is the Chinese standard "Phosphors - Part 4-2: Phosphors for indicator tubes". Its scope clause reads: This section provides instructions useful phosphor requirements, test methods, inspection rules, packaging, transportation and storage.

This section applies to instructions useful phosphor. Its clauses include requirements.

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Document preview — GB/T 5838.42-2015

National Standard of the People's Republic of China

ICS: 31.030
Classification: L 90
Replacing: GB/T 10316-1988

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

1 Scope
2 Normative references
3 Requirements
3.1 Chemical composition
3.2 mechanical impurities
3.3 Appearance
3.4 Density
3.5 size

1 Scope

This section provides instructions useful phosphor requirements, test methods, inspection rules, packaging, transportation and storage.

This section applies to instructions useful phosphor.

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

3 Requirements

3.1 Chemical composition

Y3-BV1 ZnS.Ag (ZnS. Ag);

Y16-01 (Mg · K) F3.Mn (potassium and magnesium fluoride. manganese);

G16-G1 ZnS.Cu (ZnS. Cu);

G19-Y1 (Zn · Cd) S.Cu (zinc cadmium sulfide. copper).

3.2 mechanical impurities

Without mechanical impurities.

3.3 Appearance

Y3-BV1 and Y16-01 phosphor as a white powder;

G16-G1 fluorescent yellow-green powder;

G19-Y1 fluorescent yellow-green powder.

3.4 Density

Y3-BV1 (4.06 ± 0.02) g/cm3;

Y16-01 (3.16 ± 0.02) g/cm3;

G16-G1 (4.08 ± 0.02) g/cm3;

G19-Y1 (4.12 ± 0.02) g/cm3.

3.5 size

Y3-BV1 mass median particle diameter (d50) .( 10.0 ± 1.0) µm; logarithmic standard deviation (lnsigma). 0.40 ± 0.10;

G16-G1 mass median particle diameter (d50) .( 22.8 ± 1.0) µm; logarithmic standard deviation (lnsigma). 0.70 ± 0.10;

G19-Y1 mass median particle diameter (d50) .( 12.0 ± 1.0) µm; logarithmic standard deviation (lnsigma). 0.40 ± 0.10;

......
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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Editions of GB/T 5838.42

Edition	Title	Revision	Status
GB/T 5838.42-2015	Phosphors - Part 4-2: Phosphors for indicator tubes	current edition	Current
GB/T 10316-1988	Phosphors - Part 4-2: Phosphors for indicator tubes	previous edition	Superseded

This page sells the current edition, GB/T 5838.42-2015. Earlier editions are listed for reference only.

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