摘要
通过分析手动电位滴定法测定首饰中银含量的操作步骤,分别从样品前处理、滴定过程、数据处理等几个方面找出影响其分析准确度的因素,并根据这些因素提出建议,为其他学者提供一些参考。
The influence factors on testing the silver content in jewellery by potentiometric method was analyzed, including the sample pretreatment, titration process, data processing, and so on. Proposals were put forward according to these factors for the other scholars’ reference.
作者
张华
梁丝柳
ZHANG Hua;LIANG Si-liu(Guangdong Gemstones and Precious Metals Testing Center,Guangzhou,China 510080)
出处
《超硬材料工程》
CAS
2019年第1期62-64,共3页
Superhard Material Engineering
关键词
银含量
电位滴定
影响因素
Content of silver
Potentiometric titration
Influence factors
