"Qualitative Analyse." . . "Praktikum." . . . . . . . . . . . . . . . . . "Handbooks, manuals, etc"@en . . . "Handbooks, manuals, etc" . . "Qualitative analysis and ionic equilibrium"@en . . "Qualitative analysis and ionic equilibrium" . . . "Chemistry, Analytic." . . . . "Analyse qualitative (Chimie) Manuels de laboratoire." . .