T/GDSHJXH 005-2023
Maya green jade grading (English Version)
- Standard No.
- T/GDSHJXH 005-2023
- Language
- Chinese, Available in English version
- Release Date
- 2023
- Published By
- Group Standards of the People's Republic of China
- Latest
- T/GDSHJXH 005-2023
- Scope
- 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 report or certificate Appendix A (informative) Maya green jade color observation diagram Appendix B (informative) Infrared spectrum Figure Appendix C (Informative) Raman Spectrum
T/GDSHJXH 005-2023 history
- 2023 T/GDSHJXH 005-2023 Maya green jade grading
