Analytical Chemistry: An IntroductionSaunders College Pub., 1994 - 675 pagine |
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Risultati 1-3 di 26
Pagina 383
... infrared , micro- wave , and radio - frequency . Historically , early spectroscopic methods were restricted to use of visible radiation , and for this reason were termed optical methods . However , because of similar instrumentation ...
... infrared , micro- wave , and radio - frequency . Historically , early spectroscopic methods were restricted to use of visible radiation , and for this reason were termed optical methods . However , because of similar instrumentation ...
Pagina 390
... Infrared Radiation Continuous infrared radiation is obtained from heated inert solids . A Globar source consists of a 5- by 50 - mm silicon carbide rod . Radiation in the region from 1 to 40 μm is emitted when the Globar is heated to ...
... Infrared Radiation Continuous infrared radiation is obtained from heated inert solids . A Globar source consists of a 5- by 50 - mm silicon carbide rod . Radiation in the region from 1 to 40 μm is emitted when the Globar is heated to ...
Pagina 426
... Infrared Spectrophotometers Two types of spectrometers are encountered in infrared spectroscopy : dispersive and Fourier transform . Dispersive Instruments Dispersive infrared instruments differ from the double - beam spectrophotometer ...
... Infrared Spectrophotometers Two types of spectrometers are encountered in infrared spectroscopy : dispersive and Fourier transform . Dispersive Instruments Dispersive infrared instruments differ from the double - beam spectrophotometer ...
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absorbance absorption acid activity added addition amount analysis analyte applications approximately atomic base becomes buffer Calculate carbonate cations cause cell charge chemical chloride chromatography color column complex compounds concentration consider constant containing curve described determination difference dilute dissociation dissolved EDTA effect electrode electrode potential electrolyte end point Equation equilibrium equivalence error example excess expression Figure filter formation give given glass H₂O H3O+ hydrogen hydroxide increase indicator involves less liquid mass mean measurements metal method mmol molar NaOH needed Note obtained occurs organic oxidation particles positive potassium potential precipitate prepared quantity radiation range reaction reagent reduced reference relative salt sample shown shows silver sodium solid solubility solution species standard standard deviation strong surface Table temperature tion titration types volume weighed write