GB/T 5838.41-2015 English PDF

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GB/T 5838.41-2015: Phosphors -- Part 4-1: Phosphor for black-white picture tubes
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 5838.41-2015	189	Add to Cart	3 days	Phosphors -- Part 4-1: Phosphor for black-white picture tubes	Valid

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Basic data

Standard ID: GB/T 5838.41-2015 (GB/T5838.41-2015)
Description (Translated English): Phosphors -- Part 4-1: Phosphor for black-white picture tubes
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: L90
Classification of International Standard: 31-030
Word Count Estimation: 9,971
Date of Issue: 2015-05-15
Date of Implementation: 2016-01-01
Older Standard (superseded by this standard): GB/T 10311-1988; GB/T 10310-1988; GB/T 10312-1988
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 black and white display tube Used phosphor requirements, test methods, inspection rules, packaging, transportation and storage. This section applies to black and white display tube Used phosphor.

GB/T 5838.41-2015: Phosphors -- Part 4-1: Phosphor for black-white picture 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 4-1. Phosphor for black-white picture tubes ICS 31-030 L90 National Standards of People's Republic of China Replacing GB/T 10310 ~ 10312-1988 Phosphor - Part 4-1. Black and white phosphor display tubes 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 4-1. This section drafted in accordance with GB/T 1.1-2009 given rules. This Part replaces GB/T 10310-1988 "black and white picture tube phosphors with Y4-W2", GB/T 10311-1988 "black and white picture tube Phosphors with Y4-B1 "and GB/T 10312-1988" black and white picture tube phosphors with Y4-Y2. " 10310-1988, GB/T 10311-1988 and GB/T 10312-1988 standard compared to the three major changes in this part of the GB/T as follows. --- The GB/T 10310-1988, GB/T 10311-1988 and GB/T 10312-1988 three 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). 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 10310-1988; --- GB/T 10311-1988; --- GB/T 10312-1988. Phosphor - Part 4-1. Black and white phosphor display tubes

1 Scope

This section provides Used black and white display tube phosphors requirements, test methods, inspection rules, packaging, transportation and storage. This section applies to black and white display tube Used 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

3 Requirements

3.1 Chemical composition Y4-W2 ZnS.Ag (ZnS. Ag) and (Zn · Cd) S.Cu · Al (zinc cadmium sulfide. copper and aluminum) mixed composition; Y4-B1 ZnS.Ag (ZnS. Ag); Y4-Y2 (Zn · Cd) S.Cu · Al (zinc cadmium sulfide. copper and aluminum). 3.2 mechanical impurities Without mechanical impurities. 3.3 Appearance Y4-W2 phosphors and phosphor Y4-Y2 as a pale yellow powder; Y4-B1 phosphor as a white powder. 3.4 Density Y4-W2 (4.10 ± 0.02) g/cm3; Y4-B1 (4.06 ± 0.02) g/cm3; Y4-Y2 (4.19 ± 0.02) g/cm3. 3.5 size Y4-W2 mass median particle diameter (d50) .( 9.0 ± 1.0) μm; logarithmic standard deviation (lnσ). 0.30 ± 0.10; Y4-B1 mass median particle diameter (d50) .( 9.0 ± 1.0) μm; logarithmic standard deviation (lnσ). 0.30 ± 0.10; Y4-Y2 mass median particle diameter (d50) .( 9.0 ± 1.0) μm; logarithmic standard deviation (lnσ). 0.30 ± 0.10. 3.6 Water-soluble chloride content Monochrome display tubes fluorescent water soluble chloride content should not exceed 0.002%. ......

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