火花直读光谱法分析纯银中的20种杂质元素  

Determination of 20 Impurities in Fine Silver by Spark Direct-reading Spectrometric Method

作　　者：张帆[1] 王浩杰[1] 王鑫磊[1] 杨鹔 蔡薇[1] 黄文清[1] 王亮[1] 

机构地区：[1]国家金银制品质量监督检验中心(南京),南京市产品质量监督检验院,南京210028

出　　处：《贵金属》2017年第B10期179-182,共4页Precious Metals

摘　　要：采用火花直读光谱法测定纯银中的20种杂质元素,用差减法计算出银含量。对制样方法,分析方法等进行了研究。实验结果稳定,可靠,重复性好,可用于测定银含量为99.9%~99.99%银产品。The 20 impurity elements of fine silver were determined by the spark direct reading spectrometric method. The content of silver was calculated by the subtraction method in the percentage of weight. The method of sample preparation and analysis method were studied. The experimental results are stable, reliable, reproducible and suitable for measuring silver content of 99.9%~99.99%.

关 键 词：火花直读光谱 银 杂质元素 银含量 

分 类 号：O657.31[理学—分析化学]