GB/T 9288-1998
Replaced
T/DZYX 019-2022
Active
Group standards
T/DZYX 019-2022 Methods for Identifying and Testing Emeralds from Guatemala
T/DZYX 019-2022
Price:
$ 20.00
Basic Information
Standard Code:
T/DZYX 019-2022
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Jewelry
Publish Date:
2022-08-01
Implement Date:
2022-09-06
Scope
Scope: This document is applicable to the identification and testing methods of Guatemalan jadeite jade; Main technical content: This document specifies the terms and definitions of Guatemalan jadeite, its properties, basic characteristics, the differences between Guatemalan jadeite and Myanmar jadeite, testing methods, and testing features. Among them, the differences between Guatemalan jadeite and Myanmar jadeite include: different colors, different structures, different transparency, different luster, and different grading standards.
Development Information
Related Standards
GB/T 17832-1999
Replaced
GB/T 17832-1999 Determination of silver in silver jewellery alloys—Volumetric (potentiometric) method using potassium bromide
GB/T 11887-2000
Replaced
GB/T 11887-2000 Jewellery-Fineness of precious metal alloys and designation
GB/T 18043-2000
Replaced
GB/T 18043-2000 Precious metal jewellery content non-damaged test method—X-ray fluorescence spectrometry
GB/T 18303-2001
Replaced
GB/T 18303-2001 Color grading of polished diamond by visual matching
GB/T 11886-2001
Replaced