Analytical chemistry
Introduction to Analytical Chemistry
  Analytical chemistry involves separating, identifying, and determining the relative amounts of the components making up a sample of matter.   分析化学包含样品分离、定性以及确定组成成份相对含量三方面内容。    Qualitative analysis reveals the chemical identity of the analytes.   定性分析是确定被分析物(待测物)化学组成。