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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。
This article describes the determination of trace amounts of rare earth elements in tea, tea and tea using ICP-AES. Sample prepared by the solution obtained through the cation exchange resin separation and enrichment of rare earth elements, the selection of 1M hydrochloric acid and 2M nitric acid as a matrix element eluent, 7M nitric acid as a rare earth element eluent.