PDF
T/GDSHJXH 005-2023 Active
T/GDSHJXH 005-2023 Maya Green Jade Grades
Abstract
Scope: This document specifies the terms and definitions of natural Maya green jade, grading methods and rules, grading requirements, and grading reports and certificates. This document applies to the grading of natural unmounted Maya green jade jewelry. Main technical content: 1. Scope 2. Normative reference documents 3. Terms and definitions 4. Grading methods and rules 5. Grading requirements 6. Quality of Maya green jade 7. Grading reports or certificates Appendix A (informative) Maya green jade color observation schematic diagram Appendix B (informative) Infrared spectrogram Appendix C (informative) Raman spectrogram
General Product Information
| Document Type | Group standards |
|---|---|
| Standard Status | Active |
| Standard Code | T/GDSHJXH 005-2023 |
| ICS | Jewelry |
| Implement Date | 2023-12-31 |
Price
$ 20.00
Subtotal
$ 20.00
Tax
$ 0.00
Order Total (incl. tax)
$ 20.00