GB/T 5838.42-2015 English PDF

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GB/T 5838.42-2015: Phosphors -- Part 4-2: Phosphor for indicator tubes
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 5838.42-2015	189	Add to Cart	3 days	Phosphors -- Part 4-2: Phosphor for indicator tubes	Valid

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Basic data

Standard ID: GB/T 5838.42-2015 (GB/T5838.42-2015)
Description (Translated English): Phosphors -- Part 4-2: Phosphor for indicator tubes
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: L90
Classification of International Standard: 31-030
Word Count Estimation: 9,940
Date of Issue: 2015-05-15
Date of Implementation: 2016-01-01
Older Standard (superseded by this standard): GB/T 10316-1988; GB/T 10313-1988; GB/T 10315-1988; GB/T 10314-1988
Quoted Standard: GB/T 191; GB/T 31418.3-2015
Regulation (derived from): National Standard Announcement 2015 No. 15
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 instructions useful phosphors requirements, test methods, inspection rules, packaging, transportation and storage. This section applies to instructions useful phosphor.

GB/T 5838.42-2015: Phosphors -- Part 4-2: Phosphor for indicator tubes

---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.
Phosphors Part 4-2. Phosphor for indicator tubes ICS 31-030 L90 National Standards of People's Republic of China Replacing GB/T 10313 ~ 10316-1988 Fluorescence powder Part 4-2. Indicates useful phosphors Issued on. 2015-05-15 2016-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 5838 "phosphor" series of national standards include the following. --- Part 1. Terminology; --- Part 2. grades; --- Part 3. Performance test methods; --- Part 4-1. Black and white phosphor display tubes; --- Part 4-2. Indicates useful phosphors; --- Part 4-3. CRT display tubes and phosphors; --- Part 4-4. color picture tube phosphors; --- Part 4-5. color display tubes phosphor. This part of GB/T 5838 Part 4-2. This section drafted in accordance with GB/T 1.1-2009 given rules. This Part replaces GB/T 10313-1988 "radar indicates useful Y16 phosphor", GB/T 10314-1988 "double-screen indicator tube With Y3 phosphor ", GB/T 10315-1988" double phosphor screen instructions tubes G11 ", GB/T 10316-1988" double-screen indicator tube Phosphor with G16. " This section compared with GB/T 10313 ~ 10316-1988 standard four main changes are as follows. --- The GB/T 10313 ~ 10316-1988 four standards into one standard; --- Added "foreword", "Normative references" "claim" chapters (see Chapter 2, Section 3); --- Standard name removed grades contents; --- Phosphors water soluble chloride content requirements were tightened adjustment (see 3.6); --- The center of mass of the phosphor particle size requirements have been tightened adjustment (see 3.5). Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents. This part is proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This part of the National Standardization Technical Committee device and semiconductor material (SAC/TC203) centralized. This section drafted by. Ministry of Information Industry materials for Quality Supervision and Inspection Center, China Electronics Technology Group Corporation forty-sixth research The Chinese Institute of Electronics Standardization. The main drafters of this part. He Xiukun, paragraph dawn Peikuai Chuan. This part of the standard replaces the previous editions are. --- GB/T 10313-1988; --- GB/T 10314-1988; --- GB/T 10315-1988; --- GB/T 10316-1988. Fluorescence powder Part 4-2. Indicates useful phosphors

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 (lnσ). 0.40 ± 0.10; G16-G1 mass median particle diameter (d50) .( 22.8 ± 1.0) μm; logarithmic standard deviation (lnσ). 0.70 ± 0.10; G19-Y1 mass median particle diameter (d50) .( 12.0 ± 1.0) μm; logarithmic standard deviation (lnσ). 0.40 ± 0.10; ......

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