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GB/T 42437-2023 English PDF

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GB/T 42437-2023: Nanhong - Testing
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PDF similar to GB/T 42437-2023


Standard similar to GB/T 42437-2023

GB/T 16552   GB/T 5195.12   SN/T 0481.7   GB/T 42438   GB/T 42433   

Basic data

Standard ID GB/T 42437-2023 (GB/T42437-2023)
Description (Translated English) Nanhong - Testing
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard D59
Classification of International Standard 39.060
Word Count Estimation 14,186
Date of Issue 2023-05-23
Date of Implementation 2023-12-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 42437-2023: Nanhong - Testing

---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 39:060 CCSD59 National Standards of People's Republic of China Identification of Nanhong Released on 2023-05-23 2023-12-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee

table of contents

Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Identification 1 4:1 Identification items 1 4:2 Identification features 1 4:3 Identification method 3 5 Optimal treatment methods and their identification 3 5:1 Filling 3 5:2 Heat treatment 3 5:3 Other optimized treatment methods and their identification 3 6 Naming rules and representation methods 4 Appendix A (Informative) Typical spectral characteristics of Nanhong 5 Appendix B (informative) The measurement method of peak-to-peak ratio H610/H660 8 Appendix C (informative) Schematic diagram of the measurement method of spectral peak area ratio A501/A464 10

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: 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 the Ministry of Natural Resources of the People's Republic of China: This document is under the jurisdiction of the National Gemstone Standardization Technical Committee (SAC/TC298): This document was drafted by: Sichuan Provincial Product Quality Supervision, Inspection and Testing Institute, National Jewelry and Jade Jewelry Inspection Group Co:, Ltd:, Guangdong Province Jewelry, Jade and Precious Metal Testing Center, Xinjiang Uygur Autonomous Region Product Quality Supervision and Inspection Research Institute, China University of Geosciences (Wuhan), Yunnan Provincial Institute of Jewelry and Jade Quality Supervision and Inspection: The main drafters of this document: Dai Sulan, Chen Dapeng, Long Chu, Li Xinling, Wang Yamei, Xu Su, Luo Qinfeng, Xia Yumei, Qu Wei, Chen Hongxia, Li Haibo, Zhou Danyi, Wang Duo, Liao Jun, Wang Shujie, Wang Chaowen, Liu Jiao, Yuan Jialin, Ma Zhao, Zhou Xin, Wang Jianli: Identification of Nanhong

1 Scope

This document specifies the definition, identification items, identification characteristics, identification methods, optimized processing methods and identification of Nanhong, as well as naming rules: and representation methods, etc: This document is applicable to the identification of Nanhong products and raw materials:

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 11887 Purity regulations and nomenclature of jewelry precious metals GB/T 16552 Names of Jewelry and Jade GB/T 16553 Identification of Jewelry and Jade GB/T 31912 Jewelry Marking GB/T 33541 Judgment criteria for sampling inspection of jewelry, jade and precious metal products

3 Terms and Definitions

GB/T 16552, GB/T 16553 and the following terms and definitions apply to this document: 3:1 Nanhong Naturally produced, the color is caused by hematite mineral inclusions, the main color tone is red, slightly transparent-translucent, and mainly α-quartz Cryptocrystalline aggregates that make up minerals:

4 identification

4:1 Identification items The identification items and selection principles shall be carried out according to GB/T 16553: 4:2 Identification characteristics 4:2:1 Mineral composition The main constituent minerals are α-quartz, including hematite: Some may contain a small amount of clinoptilite, goethite, calcite, etc: 4:2:2 Chemical composition The main component is SiO2, which may contain trace elements iron (Fe), aluminum (Al), titanium (Ti), calcium (Ca) and so on:

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