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| Question | Answer |
|---|---|
| What property is measured by Gravimetry? | Weight of pure analyte or compound of known stoichiometry. |
| What are the principal areas of application for Titrimetry? | Quantitative for major or minor components. |
| What property is measured by Atomic and molecular spectrometry? | Wavelength and intensity of electromagnetic radiation emitted or absorbed by the analyte. |
| What are the principal areas of application for Mass spectrometry? | Qualitative or structural for major down to trace level components isotope ratios. |
| What property is measured by Chromatography and electrophoresis? | Various physico-chemical properties of separated analytes. |
| What are the principal areas of application for Thermal analysis? | Characterization of single or mixed major/minor components. |
| What property is measured by Electrochemical analysis? | Electrical properties of the analyte in solution. |
| What are the principal areas of application for Radiochemical analysis? | Qualitative and quantitative at major to trace levels. |
| What is the basis and principal application of Plasma emission spectrometry? | Atomic emission after excitation in high temperature gas plasma. Principal applications: Determination of metals and some non-metals mainly at trace levels. |
| What is the basis and principal application of Flame emission spectrometry? | Atomic emission after flame excitation. Principal applications: Determination of alkali and alkaline earth metals. |
| What is the basis and principal application of Atomic absorption spectrometry? | Atomic absorption after atomization by flame or electrothermal means. Principal applications: Determination of trace metals and some non-metals. |
| What is the basis and principal application of Atomic fluorescence spectrometry? | Atomic fluorescence emission after flame excitation. Principal applications: Determination of mercury and hydrides of non-metals at trace levels. |
| What is the basis and principal application of X-ray emission spectrometry? | Atomic or atomic fluorescence emission after excitation by electrons or radiation. Principal applications: Determination of major and minor elemental components of metallurgical and geological samples. |
| What is the basis and principal application of gamma -spectrometry? | gamma -ray emission after nuclear excitation. Principal applications: Monitoring of radioactive elements in environmental samples. |
| What is the basis and principal application of Ultraviolet/visible spectrometry? | Basis: Electronic molecular absorption in solution. Principal applications: Quantitative determination of unsaturated organic compounds. |
| What is the basis and principal application of Infrared spectrometry? | Basis: Vibrational molecular absorption. Principal applications: Identification of organic compounds. |
| What is the basis and principal application of Nuclear magnetic resonance spectrometry? | Basis: Nuclear absorption (change of spin states). Principal applications: Identification and structural analysis of organic compounds. |
| What is the basis and principal application of Mass spectrometry? | Basis: Ionization and fragmentation of molecules. Principal applications: Identification and structural analysis of organic compounds. |
| Gravimetric Methods | determination of the mass of analyte or some compound chemically related to it |
| Volumetric Methods | determination of the volume of a solution containing sufficient reagent to react completely with the analyte |
| Electroanalytical instrumental methods | measure electrical properties related to the analyte |
| Spectroscopic instrumental methods | on the interaction of analyte, atoms or molecules with electromagnetic radiation |
| Chromatography methods | separation methods |
| Miscellaneous methods | Surface and Thermal Methods |