化工技术检测 胡梦（detection of chemical technology hu meng）

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1、化工技术检测胡梦（DetectionofchemicaltechnologyHuMeng）ThispaperiscontributedbyHuangQingshuPptdocumentsmayexperiencepoorbrowsingontheWAPside.ItisrecommendedthatyouselectTXTfirstordownloadthesourcefiletothelocalmachine.ChemicalproductanalysisandtestingtechnologyProducer:Hudream200809102111class:08refiningChem

2、icalproductanalysisanddetectiontechnologyexperimentintroductionAtomicabsorptionspectrometry1.atomicabsorptionspectrometry(AAS)2.atomicemissionspectrometryatomicemissionspectrometry,atomicabsorptionspectrometry(AES)analysisof4.UVVisabsorptionspectroscopyandUVVisabsorptionspectraof5.infraredabsorptio

3、nspectroscopy,infraredabsorptionspectroscopyof6.nuclearmagneticresonancespectroscopyNMRspectrometryatomicemissionspectrometrymethod3.Xspectralanalysis(NMR)separatedby8.chromatographymethodforsurfaceanalysisanalysisof7.surfacenuclearmagneticresonancespectroscopy(gaschromatography,liquidchromatograph

4、y(HPLC)chromatographyseparationbygaschromatography,Atomicabsorptionspectrometry(atomicabsorptionspectrophotometry)ItisamethodofquantitativeanalysisoftheabsorptiondegreeofthegroundstateatomsproducedbytheelementstobemeasuredSchematicdiagramofatomicabsorptionspectrophotometerAtomicabsorptionspectromet

5、ry(atomicabsorptionspectrophotometry)WhenthelightradiationthroughthegroundstateatomwiththeenergyofHVisexactlyequaltotheatomicenergycontentintheexcitedstateofV?Efromgroundstatetoexcitedstatewithenergy,groundstateatomicabsorptionlightemissionatomicabsorptionspectroscopy(radiationatomicabsorptionspect

6、roscopy(line)Atomicemissionspectrometry(AES)Undernormaltemperature,theatomsinthegroundstateoflowestenergy,innormaltemperature,thelowestenergyoftheatomsinthegroundstate,theexcitationenergyundertheactionofatomstoobtainenoughenergy,undertheactionofatomstoobtainenoughenergy,theouterelectronsingroundtra

7、nsitionstodifferentexcitedstates.Excitedstatesofatoms(orions).Theatoms(orions)oftheouterelectronsinexcitedstateisunstable,whenittransitionstothegroundstateorexcitedstateislow,isnotstable,whenitreturnstotheg