LC meter

例句：

1. 1. The LC meter was used to analyze the sample's chemical composition.
   液相色谱仪被用来分析样品的化学成分。
2. 2. The LC meter was used to determine the concentration of the pollutant in the water.
   液相色谱仪被用来测定水中污染物的浓度。
3. 3. The LC meter was used to identify the specific components of the sample.
   液相色谱仪被用来识别样品中特定成分的存在。