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GB/T 5003-2023: Test method for measuring to the chemical corroding resistance of glazes of domestic ceramics
Status: Valid GB/T 5003: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 5003-2023 | English | 199 |
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Test method for measuring to the chemical corroding resistance of glazes of domestic ceramics
| Valid |
GB/T 5003-2023
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| GB/T 5003-1999 | English | 169 |
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Checking and measuring to the chemical corroding resistance of glazes of domestic ceramics
| Obsolete |
GB/T 5003-1999
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| GB/T 5003-1985 | English | RFQ |
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Standard test method for alkaline resistance of glazes of domestic ceramics
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GB/T 5003-1985
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PDF similar to GB/T 5003-2023
Standard similar to GB/T 5003-2023 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Count Estimation | 9,962 | | Date of Issue | 2023-05-23 | | Date of Implementation | 2023-12-01 | | Older Standard (superseded by this standard) | GB/T 5003-1999 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T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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