IntroductionTheabsorptionofelectromagneticradiationofwavelengthsbetween200and800nmbymoleculeswhichhaveπelectronsoratomspossessingunsharedelectronpairscanbeemployedforbothqualitativeandquantitativeanalysis;assuch,itisknownasspectrophotometry.Asawidevariety (共 2292 字) [阅读本文] >>