化工技术与开发
化工技術與開髮
화공기술여개발
TECHNOLOGY & DVELOPMENT OF CHEMICAL INDUSTRY
2014年
6期
69-70
,共2页
合质金%金含量%水合肼%重量法
閤質金%金含量%水閤肼%重量法
합질금%금함량%수합정%중량법
alloy%gold content%hydrazine hydrate%gravimetric method
试样经王水分解、过滤、调节pH值、水合肼选择性还原后，采用重量法测定合金中金元素的含量，测定范围1%~90%。该方法具有回收率高，操作简单，重现性好等优点。
試樣經王水分解、過濾、調節pH值、水閤肼選擇性還原後，採用重量法測定閤金中金元素的含量，測定範圍1%~90%。該方法具有迴收率高，操作簡單，重現性好等優點。
시양경왕수분해、과려、조절pH치、수합정선택성환원후，채용중량법측정합금중금원소적함량，측정범위1%~90%。해방법구유회수솔고，조작간단，중현성호등우점。
The test sample was dissolved with aqua regia, filtered, adjusted pH value, and reduced with hydrazine hydrate, the gold content in the alloy was measured by gravimetric method. The test range was 1%~90%. This method was simple with high recovery rate and good reproducibility.
