【摘要】 本文叙述用 ICP—AES 测定茶叶、茶水及茶酒中痕量稀土元素的方法。样品经处理制得的溶液,通过阳离子交换树脂对稀土元素进行分离和富集,选用1M 盐酸和2M 硝酸作基体元素淋洗液,7M 硝酸作稀土元素淋洗液。更多还原

【Abstract】 A method for the simultaneous determination of tarce level rsre earth elemen-ts in tea-leaves,tea and tea wine by ICP-AES is described.Separation and pre-concentration of rare earth elements from a sample digest are achieved by a cationexchanger.The method is characterized by high relative sensitivity and goodaccuracy.更多还原