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GB/T 42221-2022 English PDF

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US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 42221-2022: Jewellery - Consumer confidence in the diamond industry
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 42221-2022	279	Add to Cart	3 days	Jewellery - Consumer confidence in the diamond industry	Valid

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Basic data

Standard ID: GB/T 42221-2022 (GB/T42221-2022)
Description (Translated English): Jewellery - Consumer confidence in the diamond industry
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y88
Classification of International Standard: 39.060
Word Count Estimation: 14,148
Date of Issue: 2022-12-30
Date of Implementation: 2023-07-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42221-2022: Jewellery - Consumer confidence in the diamond industry

---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 CCSY88 National Standards of People's Republic of China Consumer Confidence in the Jewelry and Diamond Sector (ISO 18323.2015, MOD) Posted on 2022-12-30 2023-07-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee

Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Information disclosure 3 5 Related vocabulary 4 Appendix A (informative) The comparison between this document and the ISO 18323.2015 structure number 6 Appendix B (informative) Technical differences between this document and ISO 18323.2015 and their reasons 8

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 is modified to adopt ISO 18323.2015 "Consumer Confidence in the Jewelry and Diamond Industry". Compared with ISO 18323.2015, this document has more structural adjustments. Comparison list of structure number changes between two files See Appendix A. Compared with ISO 18323.2015, this document has many technical differences, and vertical A single line (|) is marked. See Appendix B for a list of these technical differences and their causes. The following editorial changes have been made to this document. --- Deleted the term and definition "synthetic diamond" note (see 3.4, 2.4 of ISO 18323.2015); ---Modified the notes on terms and definitions "natural jewelry jade", "natural gemstone" and "carat" (see 3.6, 3.7, 3.16, ISO 18323.2015 2.11, 2.10 and 2.12.4); --- Added the notes of terms and definitions "jewelry", "color", "irradiation treatment" and "coating" (see 3.5, 3.14, 3.22, 3.25, 2.9, 2.12.2, 2.13.3 and 2.13.6 of ISO 18323.2015). 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 Jewelry Standardization Technical Committee (SAC/TC256). This document is drafted by. National Jewelry and Jade Jewelry Inspection Group Co., Ltd., Beijing Guoshou Jewelry Inspection Co., Ltd. The main drafters of this document. Li Haibo, Ke Jie, Ma Yongwang, Luo Yueping, Qu Gang, Su Jun, Liang Jie, Tang Shi, Bao Wei, Li Suqing. Consumer Confidence in the Jewelry and Diamond Sector

1 Scope

This document defines the terms and definitions allowed to be used in the diamond industry, and provides information disclosure and related vocabulary. This document applies to the naming of diamonds, treated diamonds, synthetic diamonds, mosaic diamonds, and imitation diamonds involved in the diamond trading process.

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 16552 Names of Jewelry and Jade GB/T 16553 Identification of Jewelry and Jade GB/T 16554 Diamond Grading

3 Terms and Definitions

The following terms and definitions defined in GB/T 16552, GB/T 16553 and GB/T 16554 apply to this document. 3.1 natural Produced by nature, there is no human intervention in the formation process. 3.2 diamond It is an equiaxed crystal natural mineral composed of carbon atoms, with a Mohs hardness of 10, a density of 3.52 (±0.01) g/cm3, a refractive index of 2.417, and a color of The dispersion value is 0.044. Note. "Diamond" without further specification is equivalent to "Natural Diamond" and has the same meaning. 3.3 Treated diamond treateddiamond A diamond whose appearance and durability have been artificially altered, permanently or non-permanently, other than by cutting, polishing, cleaning and setting (see 3.2). Examples. lamination, filling, irradiation, laser drilling, HPHT or other physical/chemical methods. 3.4 Synthetic diamond syntheticdiamond;laboratory-createddiamond;laboratory-growndiamond A crystal that is completely or partially artificially produced and has basically the same chemical composition, crystal structure and physical properties as diamond. 3.5 jewelry jade gem A general term for natural jewelry jade and artificial jewelry jade. Note. referred to as gems. 3.6 Natural Jewelry Jade naturalgem Produced by nature, it is beautiful, durable, rare, has craft value, and can be processed into mineral or organic substances for jewelry. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 42221-2022_English be delivered?

Answer: Upon your order, we will start to translate GB/T 42221-2022_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 42221-2022_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 42221-2022_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.