A diagram of qualitative analysis - Journal of Chemical Education

J. Chem. Educ. , 1945, 22 (3), p 148. DOI: 10.1021/ed022p148. Publication Date: March 1945. Cite this:J. Chem. Educ. 22, 3, 148-. Note: In lieu of an ...
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A Diagram of Qualitative Analysis E. F. LINHORST Detroit, Michigan

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FTER a student has become familiar with the theory and procedures of qualitative analysis i t should be convenient for him to have a brief chart or diagram of the scheme for reference and better comprehension. Following is shown such a diagram based on Noyes: "A Course of Instruction in the Qualitative Chemical Analysis of Inorganic Substances."

For simplicity phosphate was assumed absent. Additions and operations are enclosed in rectangles. Precipitates and residues are indicated by full lines, while dotted lines represent solutions and filtrates. Where both emerge from a rectangle, a filtration was performed. Elements sought are underlined when detected and confirmed.

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