T/NXSCJS 063-2023 Active Group standards

T/NXSCJS 063-2023 The six-dimension appraisal standards for old jadeite from the Ming and Qing dynasties

Publish Date: 2023-04-10 Implement Date: 2023-04-10 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/NXSCJS 063-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Other services

Publish Date: 2023-04-10

Implement Date: 2023-04-10

Scope

Main technical content: This document specifies the basic properties, chemical composition, origin, types, and grading of Ming and Qing Dynasty jadeite, as well as the formation, classification, characteristics, identification methods, and types of identification opinions for Ming and Qing Dynasty jadeite traces. This document is applicable to the identification of Ming and Qing Dynasty jadeite