介绍标准物质候选物的选择与标准物质的制备要求。
The candidate choice and preparation requirements of certified reference materials are introduced.
结果选择不同批次的丹参提取液作为混合优化典型研究对象，应用混合优化方法得到的混合提取物质量符合标准要求。
RESULTS Several different batches of Danshen extracts were selected as typical research subjects, and a blend satisfied the quality criterion was obtained with the proposed method.
应用推荐