DOI: https://doi.org/10.53056/2022-4(110)-3
SCIENTIFIC BASIS OF THE DEVELOPMENT AND UPDATING OF THE TECHNICAL SPECIFICATIONS AND METHODOLOGICAL DOCUMENTS OF THE SGCU FOR THE CERTIFICATION AND EXPERT APPRAISAL OF PRECIOUS STONES, PRECIOUS STONES OF ORGANOGENIC FORMATION
SCIENTIFIC BASIS OF THE DEVELOPMENT AND UPDATING OF THE TECHNICAL SPECIFICATIONS AND METHODOLOGICAL DOCUMENTS OF THE SGCU FOR THE CERTIFICATION AND EXPERT APPRAISAL OF PRECIOUS STONES, PRECIOUS STONES OF ORGANOGENIC FORMATION
| О. Belichenkо State Gemmological Centre of Ukraine |
| К. Tatarintseva State Gemmological Centre of Ukraine |
| Yu. Ladzhun State Gemmological Centre of Ukraine |
| Yu. Gayevsky State Gemmological Centre of Ukraine |
| O. Maksiuta State Gemmological Centre of Ukraine |
| M. Kravchenko State Gemmological Centre of Ukraine |
| Language: Ukrainian |
| Precious and Decorative Stones. No. 4 (110), 2021: 15–18 |
| Abstract According to the results of the research work the following technical specifications were developed: TU U 32.1–21587162–004:2022 «Cultured pearls» and new editions of the current TU U 36.2–21587162–002:2009 «Emeralds, rubies, blue sapphires, alexandrites», TU U 36.2 –21587162–003:2009 "Precious stones (of the second – fourth order)". |
| Keywords: technical specifications, pearls, precious stones. |
| References |
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1. Tatarintseva K. Analysis of international experience and modern recommendations for pearl expertise.
Рrecious and decorative stones. 2022. № 1–2 (107–108). Р.19–21. [in Ukrainian]
2. The CIBJO Blue Books. URL: https://www.cibjo.org/the-blue-books (date of access: 05.12.2022). 3. The Pearl Book. CIBJO. 2020. URL: https://www.cibjo.org/wp-content/uploads/2022/08/CIBJO-Pearl-Blue-Book-2020-04-01.pdf (date of access: 05.12.2022). 4. Guide for Classifying Natural Pearls and Cultured Pearls. CIBJO. 2021. URL: https://www.cibjo.org/wp-content/uploads/2022/08/CIBJO-Guide-forClassifying-Natural-Pearls-and-Cultured-Pearls.pdf (date of access: 05.12.2022). 5. SOU KZPS 74.9-02568182-003:2016 "Technical specifications of Ukraine. Guidelines for typical construction, presentation, design, marking, adoption and enforcement" [Valid from 2016-01-16]. Official publishing house. Kyiv: SE "Ukrmetrteststandart", 2016. 46 p. [in Ukrainian] 6. Belichenko О. Non-nacreous pearls. Рrecious and decorative stones. 2020. № 4 (102). Р. 4–8. [in Ukrainian] |