GB/T 34545-2017 English PDF

US$359.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 34545-2017: Emerald grading
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 34545-2017	359	Add to Cart	4 days	Emerald grading	Valid

Similar standards

GB/T 16552   GB/T 5195.12   SN/T 0481.7   GB/T 45611   GB/T 34543   

Basic data

Standard ID: GB/T 34545-2017 (GB/T34545-2017)
Description (Translated English): Emerald grading
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D59
Classification of International Standard: 39.060
Word Count Estimation: 18,190
Date of Issue: 2017-10-14
Date of Implementation: 2018-05-01
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 34545-2017: Emerald grading

---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.
Emerald grading ICS 39.060 D59 National Standards of People's Republic of China Emerald grading 2017-10-14 Published 2018-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 emerald color grade 2 5 Emerald Clarity Classification 3 6 Emerald Clarity 3 7 emerald fire color classification 4 8 grading requirements 4 9 emerald cut 5 Quality of emerald 5 11 emerald grading certificate 5 Appendix A (Informative) Common Emerald, External Feature Type 7 Appendix B (Informative) Emerald Brightness and Saturation Level 8 Appendix C (informative) emerald observation diagram 9 Appendix D (Informative) Emerald Gap Type 10 Appendix E (Informative) Emerald Clarity Optimization Level 11 Appendix F (informative) Emerald common types of cut and cut 12 Reference 13

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard proposed by the Ministry of Land and Resources. This standard by the National Gems Standardization Technical Committee (SAC/TC298) centralized. This standard was drafted unit. National jewelery quality supervision and inspection center, the National Supervision and Inspection Center for gold and silver products (Shanghai). The main drafters of this standard. Wei Ran, Su Jun, Lu Taijin, Chen Hua, Ke Jie, Bi Lijun, Xie Qiyao. Emerald grading

1 Scope

This standard specifies the natural unprocessed or clarity-optimized unmounted faceted polished emerald grading rules. This standard applies to the natural unprocessed or clarity-optimized unmounted faceted polished emerald graded, non-faceted grinding Polished emerald and emerald inlaid grading can refer to the implementation of this standard.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 16552 name of jewelry jade GB/T 16553 jewelery identification

3 Terms and definitions

GB/T 16552, GB/T 16553 and defined by the following terms and definitions apply to this document. 3.1 From the color, clarity, clarity optimization, fire color and other aspects of the emerald level. 3.2 Color grading colorgrading Using colorimetric method, the color of emerald in the specified environment level. 3.2.1 Echosamples of calibrated color levels. 3.2.2 Color card colorchip A standard color card that represents a certain color. Note. In this standard, "theMunselBookofColor-GlossyColection" can be used for colorimetry. 3.2.3 Grading light gradinglight Emerald grading with lighting, color temperature 4500K ~ 5500K, color rendering index of not less than 90. 3.3 Clarity grading claritygrading Under the provisions of the environment without artificial optimization of emerald clarity of the level of division. 3.3.1 Emeraldinternalcharacteristics of emerald The natural inclusions contained in or extending into the emerald, the signs of growth, and the artifacts created by them (see Table A.1 in Appendix A). ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 34545-2017_English be delivered?

Answer: Upon your order, we will start to translate GB/T 34545-2017_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 34545-2017_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 34545-2017_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.