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Silver jewellery alloys—Determination of silver—Volumetric (potentiometric) method using sodium chloride or potassium chloride
Standard in brief
Scope of Application:
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。
Basic information
Standard No:GB/T 18996-2021
Standard Name:银合金首饰 银含量的测定 氯化钠或氯化钾容量法(电位滴定法)
English Name:Silver jewellery alloys—Determination of silver—Volumetric (potentiometric) method using sodium chloride or potassium chloride
Standard Status:现行
Release Date:2003-03-07
Effective Date:2022-05-01
Language of Publication:中文简体
Standard Classification
ICS Number:39.060
CCS Number:Y88
Related Standards
Referenced Standards:GB/T 9725,ISO 11596
Adopted Standards:ISO 13756:2015
Adopted Standard Name:《首饰 银合金首饰中含银量的测定 氯化钠或氯化钾容量法(电位滴定法)》
Publication Information
Number of pages:12
Number of words:20 K
Format:大16
Edition:1
Color Pages:0
Electronic Version:Yes
Color Images:No
Print Publication Date:2021-10-01
Standard Revision Information
Has Amendment:No
Other Information
Application Dept:国家市场监督管理总局、国家标准化管理委员会
Standard Type:CN
Standard Attribute:GB
Other Standard Number:18996
Drafter:李素青、赵鹏超、高俊彩、李武军、李玉鹍、文洁芳
Drafting Organization: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
Management Organization:全国首饰标准化技术委员会(SAC/TC 256)
Proposing Department:中国轻工业联合会