Qualitative analysis
The main task of qualitative analysis is to determine the composition of the substance (compound), only to determine the composition of the material before you can choose the appropriate analytical method for quantitative analysis, if only to detect the existence of a certain ion or element, for the analysis; if necessary After a series of reactions to remove other interfering ions, elements or require understanding of what other ions, elements exist for system analysis. Qualitative analysis includes chromatography. According to the material species, qualitative analysis is divided into qualitative inorganic analysis and qualitative organic analysis. ...