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GB/T 5003-2023 English PDF

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Q: Should I purchase the latest version GB/T 5003-2023?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 5003-2023 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$199.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 5003-2023: Test method for measuring to the chemical corroding resistance of glazes of domestic ceramics
Status: Valid

GB/T 5003: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 5003-2023	199	Add to Cart	3 days	Test method for measuring to the chemical corroding resistance of glazes of domestic ceramics	Valid
GB/T 5003-1999	169	Add to Cart	2 days	Checking and measuring to the chemical corroding resistance of glazes of domestic ceramics	Obsolete
GB/T 5003-1985	RFQ	ASK	3 days	Standard test method for alkaline resistance of glazes of domestic ceramics	Obsolete

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GB/T 3301 GB/T 10811 GB/T 3532 GB/T 4740

Basic data

Standard ID: GB/T 5003-2023 (GB/T5003-2023)
Description (Translated English): Test method for measuring to the chemical corroding resistance of glazes of domestic ceramics
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y24
Classification of International Standard: 81.060.20
Word Count Estimation: 9,962
Date of Issue: 2023-05-23
Date of Implementation: 2023-12-01
Older Standard (superseded by this standard): GB/T 5003-1999
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 5003-2023: Test method for measuring to the chemical corroding resistance of glazes of domestic ceramics

---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.
ICS 81:060:20 CCSY24 National Standards of People's Republic of China Replace GB/T 5003-1999 Method for determination of chemical corrosion resistance of glazed surfaces of household ceramics Released on 2023-05-23 2023-12-01 Implementation State Administration for Market Regulation Released by the National Standardization Management Committee

foreword

This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting: This document replaces GB/T 5003-1999 "Determination of Chemical Corrosion Resistance of Glazed Ceramics for Daily Use", and is consistent with GB/T 5003-1999 In addition to structural adjustments and editorial changes, the main technical changes are as follows: a) The scope of application of the standard has been changed (see Chapter 1, Chapter 1 of the:1999 edition); b) Changed the terms and definitions (see Chapter 3, Chapter 2 of the:1999 edition); c) Added principles (see Chapter 4); d) Changes to reagents or materials (see Chapter 5, Chapter 3 of the:1999 edition); e) Changed the equipment (see Chapter 6, Chapter 4 of the:1999 edition); f) Changed the sample requirements (see Chapter 7, Chapter 5 of the:1999 edition); g) Added technical requirements for water (see 5:1); h) The test procedure at room temperature has been changed (see 8:1, Chapter 6 of the:1999 edition); i) Added technical requirements for spectrophotometer (see 6:1); j) The technical requirements for ceramic standard whiteboards have been added (see 6:2); k) Added heating test steps (see 8:2); l) Increased test data processing (see Chapter 9); m) Changed the performance evaluation (see Chapter 10, Chapter 7 of the:1999 edition); n) The test report has been changed (see Chapter 11, Chapter 8 of the:1999 edition): Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed by China National Light Industry Council: This document is under the jurisdiction of the National Standardization Technical Committee of Ceramics for Daily Use (SAC/TC405): This document is drafted by: Shijiazhuang Customs Technology Center, Jiangxi Ceramic Testing Center, Guangdong Jinqiangyi Ceramics Industry Co:, Ltd:, Fujian Provincial Jiamei Group Company, Chaozhou Qingfa Ceramics Co:, Ltd:, Hunan Xianfeng Porcelain Industry Co:, Ltd: The main drafters of this document: Li Wenjie, Ao Min, Lin Yiqiang, Su Chenyi, Cai Yongdong, Lin Rui: The release status of previous versions of this document and the documents it replaces are as follows: --- First published as GB/T 5003-1985 in 1985, first revised in:1999; --- This is the second revision: Method for determination of chemical corrosion resistance of glazed surfaces of household ceramics

1 Scope

This document describes the method and method for the determination of the chemical corrosion resistance of glazed ceramics for daily use characterized by color difference ΔEab* at room temperature and under heating conditions: performance evaluation: This document is applicable to the determination of the chemical corrosion resistance of glazed surfaces of household ceramics:

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document: GB/T 3979 Measurement method of object color GB/T 5000 Terminology of Ceramics for Daily Use GB/T 5698 Color Terminology GB/T 6682 Analytical laboratory water specifications and test methods GB/T 9086 Standard whiteboard for colorimetric and photometric measurement

3 Terms and Definitions

The terms and definitions defined in GB/T 5000 and GB/T 5698 apply to this document: 3:1 Chromatic differencecolordifference Quantitative expression of color perception differences: Expressed by ΔE: [Source: GB/T 5698-2001, 4:62]

4 principles

Under different temperature conditions, after a certain period of time, the glazed surface of daily-use ceramic samples will be corroded by chemical test solution, and the color will change to varying degrees: The color difference of the glaze surface before and after the corrosion of the sample is measured by an instrument; and the color difference within the corrosion cycle is measured according to the internationally recognized color difference judgment criteria: The maximum value of the glaze color difference ΔEab(max) is evaluated to obtain the grade of the chemical corrosion resistance of the glazed surface of the test sample:

5 Reagents or Materials

Unless otherwise specified, use only analytical grade reagents and above: 5:1 Water, GB/T 6682, Class III: 5:2 Citric acid solution, 100g/L: 5:3 Hydrochloric acid solution, 20% (mass fraction): ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 5003-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 5003-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 5003-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 5003-2023_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 5003-2023?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 5003-2023 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.