GB/T 19720-2024 Active National standards

GB/T 19720-2024 Jewellery and precious metals—Determination of platinum and palladium—Gravimetry using ammonium chloride and dimethylglyoxime

Publish Date: 2024-03-15 Implement Date: 2024-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 19720-2024

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Decorative arts and crafts

ICS Name: Jewelry

Publish Date: 2024-03-15

Implement Date: 2024-10-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

Technical Committee: 全国首饰标准化技术委员会(SAC/TC 256)

Pages: 16 pages

Scope

本文件描述了采用重量法测定铂、钯含量的方法。
本文件适用于铂含量范围为50.0‰~999.0‰的铂首饰及其合金，以及含有5.0‰~150.0‰钯的铂首饰及其合金。

Development Information

Drafting Units:

北京国首珠宝首饰检测有限公司、国首(深圳)珠宝首饰检测有限责任公司、北京国首珠宝首饰标准化研究中心

Drafting Persons:

李素青、王健、申云峰、高俊彩、程烨、黄恺、徐月巍、程海洋

Word Count: 22 Thousand words Pages: 16 pages

Replace the following standards

GB/T 19720-2005 Platinum jewellery alloys—Determination of platinum and palladium—Gravimetric method after precipitation of diammonium hexachloroplatinate and dimethylglyoxime

Referenced Standards

GB/T 43569-2023 Jewellery and precious metals—Sampling of precious metals and precious metal alloys GB/T 11887-2000 Jewellery－Fineness of precious metal alloys and designation GB 11887-2002 Jewellery—Fineness of precious metal alloys and designation GB 11887-2008 Jewellery—Fineness of precious metal alloys and designation GB 11887-2012 Jewellery—Fineness of precious metal alloys and designation GB/T 40114-2021 Jewellery—Determination of precious metal content—Difference method usinginductively coupled plasma optical emission spectroscopy

Adopt standards

ISO 11210:2023

Related Standards

GB/T 9288-1998 Replaced

GB/T 9288-1998 Analyse method of gold content in jewellery

Publish Date: 1998-03-25

GB/T 17832-1999 Replaced

GB/T 17832-1999 Determination of silver in silver jewellery alloys—Volumetric (potentiometric) method using potassium bromide

Publish Date: 1999-08-12

GB/T 11887-2000 Replaced

GB/T 11887-2000 Jewellery－Fineness of precious metal alloys and designation

Publish Date: 2000-04-05

GB/T 18043-2000 Replaced

GB/T 18043-2000 Precious metal jewellery content non-damaged test method—X-ray fluorescence spectrometry

Publish Date: 2000-04-05

GB/T 18303-2001 Replaced

GB/T 18303-2001 Color grading of polished diamond by visual matching

Publish Date: 2001-01-21

GB/T 11886-2001 Replaced

GB/T 11886-2001 Chemical analysis—Method of silver content in jewellery

Publish Date: 2001-07-20