Barfoed's reagent

例句：

1. 1. The chemical analysis of the sample required the use of Barfoed's reagent.
   对样品的化学分析需要使用巴福德试剂。
2. 2. The research team used Barfoed's reagent to identify the source of the contamination.
   研究团队使用巴福德试剂来识别污染的来源。
3. 3. The results obtained using Barfoed's reagent were consistent with those obtained using other analytical techniques.
   使用巴福德试剂得到的结果与使用其他分析技术得到的结果一致。