GB/T 9288-1998
Replaced
GB/T 18996-2021
Active
National standards
GB/T 18996-2021 Silver jewellery alloys—Determination of silver—Volumetric (potentiometric) method using sodium chloride or potassium chloride
GB/T 18996-2021 Silver jewellery alloys—Determination of silver—Volumetric (potentiometric) method using sodium chloride or potassium chloride
Basic Information
Standard Code:
GB/T 18996-2021
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Decorative arts and crafts
ICS Name:
Jewelry
Publish Date:
2021-10-11
Implement Date:
2022-05-01
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:
9 pages
Scope
本文件描述了采用氯化钠或氯化钾容量法（电位滴定法）测定银合金首饰中银含量的方法。
本文件适用于银含量800‰～999‰的银合金首饰、工艺品及其材料。这些合金中可能含有铜、锌、镉和钯，这些元素除钯必须在开始滴定前进行沉淀分离外，其余元素的存在不会干扰本测定方法。
Development Information
Drafting Units:
北京国首珠宝首饰检测有限公司、北京国首珠宝首饰标准化研究中心、国首(深圳)珠宝首饰检测有限责任公司
Drafting Persons:
李素青、赵鹏超、高俊彩、李武军、李玉鹍、文洁芳
Replace the following standards
Referenced Standards
Adopt standards
ISO 13756:2015
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