GB/T 4734-2022 English PDFUS$699.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 4734-2022: Test methods of chemical analysis for domestic ceramic materials and articles Status: Valid GB/T 4734: Historical versions
Basic dataStandard ID: GB/T 4734-2022 (GB/T4734-2022)Description (Translated English): Test methods of chemical analysis for domestic ceramic materials and articles Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: Y24 Classification of International Standard: 81.060.20 Word Count Estimation: 38,344 Date of Issue: 2022-10-14 Date of Implementation: 2023-05-01 Older Standard (superseded by this standard): GB/T 4734-1996 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 4734-2022: Test methods of chemical analysis for domestic ceramic materials and articles---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.Test methods of chemical analysis for domestic ceramic materials and articles ICS 81.060.20 CCSY24 National Standards of People's Republic of China Replacing GB/T 4734-1996 Chemical analysis method of ceramic materials and products for daily use Published on 2022-10-12 2023-05-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 General rule 1 5 Sample 1 5.1 Sample acquisition method 1 5.2 Specimen requirements 2 6 Analysis method 2 6.1 Determination of loss on ignition 2 6.2 Determination of silica 2 6.3 Determination of Al2O3 5 6.4 Determination of ferric oxide 9 6.5 Determination of titanium dioxide 10 6.6 Determination of calcium oxide and magnesium oxide 11 6.7 Determination of potassium oxide and sodium oxide 13 6.8 Determination of Lithium Oxide 14 6.9 Determination of boron trioxide 15 6.10 Determination of zinc oxide 17 6.11 Determination of manganese monoxide 18 6.12 Determination of phosphorus pentoxide 19 6.13 Determination of sulfur trioxide 20 6.14 Determination of potassium oxide, sodium oxide, lithium oxide, calcium oxide, magnesium oxide, iron trioxide (atomic absorption spectrometry) 21 6.15 X-ray fluorescence spectroscopy 23 7 Quality Assurance and Control 25 8 Test report 25 Appendix A (Informative) The corresponding wavelength of each element in atomic absorption spectrophotometry 27 Appendix B (informative) X-ray fluorescence spectrometry measurement conditions of primary and secondary components in daily-use ceramic materials and products 28 Appendix C (normative) X-ray fluorescence spectrometry measurement range of primary and secondary components in daily-use ceramic materials and products 29 Appendix D (normative) Determination range and analytical value tolerance for chemical analysis of ceramic materials and products for daily use 30 Appendix E (normative) Acceptance Analysis Value Procedure 32 forewordThis document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" drafted. This document replaces GB/T 4734-1996 "Chemical Analysis Methods for Ceramic Materials and Products". Compared with GB/T 4734-1996, except the knot In addition to structural adjustments and editorial changes, the main technical changes are as follows. --- Changed the scope (see Chapter 1, Chapter 1 of the.1996 edition); --- Added terms and definitions (see Chapter 3); --- Changed the general rules (see Chapter 4, Chapter 3 of the.1996 edition); --- Increased the determination of alumina content by multi-element combined titration subtraction method (see 6.3.3); --- Increased the determination of lithium oxide (see 6.8); --- Increased the determination of boron trioxide (see 6.9); --- Increased the determination of zinc oxide (see 6.10); --- Increased the content of phosphorus pentoxide by the quinoline phosphomolybdate gravimetric method (see 6.12.2); --- Increase the determination of potassium oxide, sodium oxide, lithium oxide, calcium oxide, magnesium oxide, iron trioxide (atomic absorption spectrometry) (see 6.14); --- Added X-ray fluorescence spectroscopy (see 6.15); --- Increased quality assurance and control (see Chapter 7); --- Added test report (see Chapter 8); --- Added the corresponding wavelength of each element in atomic absorption spectrophotometry (see Appendix A); --- Added the X-ray fluorescence spectrometry measurement conditions for the amount of primary and secondary components in daily-use ceramic materials and products (see Appendix B); --- Increased the measurement range of X-ray fluorescence spectrometry for the amount of primary and secondary components in daily-use ceramic materials and products (see Appendix C); --- Changed the measurement range and analytical value tolerance (see Appendix D, Table 1 of the.1996 edition); --- Increased the acceptance analysis value procedure (see Appendix E). Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by China National Light Industry Federation. This document is under the jurisdiction of the National Standardization Technical Committee of Ceramics for Daily Use (SAC/TC405). This document is drafted by. Jiangxi Provincial Ceramic Testing Center, Shenzhen National Porcelain Yongfengyuan Porcelain Industry Co., Ltd., Fujian Huaxia King Kong Technology Co., Ltd. Co., Ltd., Fujian Jiamei Group Co., Ltd., Foshan Bighorn Deer Marble Tile Co., Ltd., Xiamen Dunhai Art Co., Ltd., Guangdong Dajiaolu Marble Tile Co., Ltd. Po Ceramic Industry Research Institute, Inner Mongolia Huachen Renewable Resources Technology Co., Ltd. The main drafters of this document. Cheng Rui, Jin Ying, Nie Wenzhi, Lin Guiji, Huang Shifu, Nan Shunzhi, Su Chenyi, Huang Nanxing, Wang Yuchen. The previous versions of this document and its superseded documents are as follows. --- First published in 1984 as GB 4734-1984, first revised in.1996; ---This is the second revision. Chemical analysis method of ceramic materials and products for daily use1 ScopeThis document specifies the ignition loss, silicon dioxide, aluminum oxide, iron oxide, titanium dioxide, oxygen Calcium oxide, magnesium oxide, potassium oxide, sodium oxide, lithium oxide, boron trioxide, zinc oxide, manganese monoxide, phosphorus pentoxide, sulfur trioxide, dioxide Method for the determination of primary and secondary components such as zirconium, strontium, and copper. This document applies to household ceramic materials and products.2 Normative referencesThe contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 1871.1 Determination of phosphorus pentoxide content in phosphate ores and phosphate concentrates—Quinoline phosphomolybdate gravimetric and volumetric methods GB/T 5000 Terminology of Ceramics for Daily Use GB/T 6682 Analysis Laboratory Water Specifications and Test Methods GB/T 8170 Numerical Rounding Rules and Representation and Judgment of Limit Values GB/T 9721 General Rules for Molecular Absorption Spectrophotometry of Chemical Reagents (Ultraviolet and Visible Light Parts) GB/T 12810 Volume calibration and use method of glass measuring instruments for laboratory glass instruments GB/T 21187 Atomic Absorption Spectrophotometer JJG630 Flame Photometer Verification Regulations3 Terms and DefinitionsTerms and definitions defined in GB/T 5000 apply to this document.4 General4.1 The test water specified in this document shall conform to the specifications of grade 3 water in GB/T 6682. 4.2 The reagents should be of analytical grade or above, and the reagents required for the preparation and calibration of standard solutions should be standard reagents or superior grade. 4.3 Silica, alumina, ferric oxide, titania, calcium oxide, magnesium oxide, potassium oxide, sodium oxide and nine items listed on ignition loss It is included in the routine full analysis items, and should be specified when other items need to be determined. 4.4 The constant weight during the analysis (the difference between the two times before and after the treatment) should not be greater than 0.0002g. 4.5 Parallel tests should be carried out during the analysis. 4.6 The obtained result shall be rounded up according to GB/T 8170, with 2 decimal places; when the content is less than 0.1%, 2 significant figures shall be reserved; If the contract of the trustee or the relevant standards requires otherwise, the contract shall be revised according to the required number of digits.5 samples5.1 Sample acquisition method The inspection unit shall sample according to the regulations or technical requirements in the product standard to make it representative of the whole. 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