今天在看文献的时候看到一个叫作tuning solution的东西，原文如下“The tuning solutions (10 mg/mL) of the individual analytes were prepared by diluting the corresponding primary stock solutions with 50% MeOH. The tuning solutions were delivered at 5.0 mL/min using a syringe pump and combined through a PEEK teeconnector with the mobile phase delivered at 0.3 mL/min withthe LC pump.”这个tuning solution是什么啊？加入有什么作用呢？请知道的虫友告知。
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