Lab#3SeparationofaMixtureofSolidsEssay
Title:Lab#3SeparationofaMixtureofSolidsPurpose:Tounderstandthedifferentseparationmethodsand techniquesthatdependonthechemicalpropertiesofaspecificsubstance.Alsotobecomemorecomfortablewith performingthoseactionsofseparationsoIhavetheminthefutureForthisexperiment,Iwillseparateamixture offourdistinctsubstances:sodiumchloride,benzoicacid,silicondioxide,andironfillingsintopurebeings. Procedure:Materials:distilledwatercoffee...
IsolatingtheComponentsofaThreeComponentMixtureEssay
151-50Fall2013LabreportIsolatingtheComponentsofaThreeComponentMixtureThepurposeofthis experimentwastoseparatethecomponentofthreemixturessand,sodiumchlorideandcalciumcarbonatethen calculatethepercentagebymassofeachcomponentrecoveredfromthemixtureTheotherpurposeofthis experimentwastoshowusthestudentstheconceptsassociatedwithphysicalandchemicalpropertiesof substancesMeandmylabpartner,obtainedamixtureofaunknownproportion
TheFundamentalTechniquesOfOrganicChemistryLab
Abstract:Onemixtureoftwounknownliquidcompoundsandonemixtureoftwounknownsolidcompoundswere separated,isolated,purified,andcharacterizedbyboilingpoint.Twoliquidunknownswereseparated,isolated, andpurifiedviasimpledistillationThen,theprocessofanacid-baseextractionandwashingwereusedtoseparate twounknowncompoundsintotwocrudecompounds:anorganicacidandaneutralorganiccompound.Eachcrude compoundwaspurifiedbyrecrystallization,resultingina
SeparationDesignOfAHomogeneousMixture
MYPChemistry,Period4MarianWalkerSeptember29,2016SeparationDesignLabCriterionAA.i)Amixture isdefinedasacombinationoftwoormoresubstancesthatarenotchemicallycombinedAmixturethathasa uniformcompositionanduniformpropertiesthroughoutitisknownasahomogeneousmixture.Oneexampleofa homogeneousmixtureisairAirisahomogeneousmixtureofgasesAnotherexampleofahomogeneousmixture canbeseenwhenyoumixaspoonfuloftablesaltorsugarintoa...
GlassFunnelLab
FrittedglassfunnelsarecommonlyusedinchemistrylabsTheyhaveporousglassatthebottomthattrapssolids andallowsliquidstopassthroughFilterpaperinaglassfunnelwillcatchthesolidsandallowyoutoisolatea puresample,sodiumchromateinthiscase,thatwasformedduringachemicalreaction.Afterthesolidisseparated fromtheliquiditisallowedtodrysoanyliquidstucktothesubstancewilljustevaporateawayandyouareleft withapuresubstance.Distillationis...
SeparateMixturesLab
TheobjectiveofthislabwastoseparateamixturethatconsistedofelementsandcompoundsThereareseven waystoseparateamixturewhichincludedpaperchromatography,filtration,evaporation,simpledistillation, fractionaldistillation,magnetism,andseparatingfunnelTheonlymethodsusedinthislabwerefiltration, evaporation,magnetism,andseparatingfunnelThemethodofmagnetismwasusedwhenthemagnetwasmoved underthemixturetoseparatetheiron.Theprocessoffiltration...
SeparationOfMixtures
SeparationsofMixtureofSolidsThePurpose:Tolearnabouttheseparationtechniquesthatarebasedonthe chemicalpropertiesofasubstance.Observetheseparationofthemixturesandtheircomponentsubstances. LearninghowtocomputethepercentageacomponentmakesupoftheoverallmixThemixturecontainsiron filling,sand,benzoicacid,andtablesalt.Fromthevisualobservationofthemixture,itlookslikeithasalarge amountofbenzoicacidcrystalscomparedtotheothersProcedure:
QualitativeAnalysisLabReport
reaction,suchasobservingthatareactionresultsinacolorchange.Therearechemicalchangesthatseparate cationsandphysicalseparations,suchasdecanting,whereliquidispouredfromasolid-liquidmixture,leavingthe solidbehind.Centrifugingisanotherseparationtechnique,whereasolidisseparatedfromaliquidbywhirlingthe mixtureathighspeed.Amixtureofmetalionsinasolutioncanbeseparatedbyareactionofprecipitationandin thisexperiment,themetalcationsofaluminum
UnknownMixturesLabReport
Background:Mixturesarecombinationspuresubstances,thustheirphysicalpropertiesdependontheir compositionPhysicalpropertiesofapuresubstanceincludesolubility,conductivity,andmagnetismBy exploitinguniquepropertiesofmixtures,itispossibletodividethemixtureintoitscomponents.Thisisdoneby physicalchange,suchasfiltration,evaporation,andcrystallizationPurpose:Thepurposeofthisexperimentisto studythephysicalpropertiesofsalt,sand,andironanduse...
SeparationOfACarboxylicAcidLabReport
OrganicLabINo5-6SeparationofaCarboxylicAcid,aPhenol,andaNeutralSubstance(Two-weeklab) ReadingAssignment1)Chapter7•Introduction:P.135-firstparagraph•TheoryandTechniques(p142145)oPropertiesofExtractionSolventsoMixingandSeparatingtheLayersoDryingAgentsoPart1:The TechniqueofNeutralLiquid/LiquidExtractionThedescriptionisfordichloromethane-aqueous...
SeparationOfMixturesAndItsEffectOnTheBody
ProcessedDataTableSeparationOfMixturesObject/SubstanceAcceptedvalueofMass(g)Experimentalvalueof Mass(g)Mass%PercentErrorObservationsBeaker14991xxxxBeaker25004xxxxMixture37003617 98.76%-2.24%Darkgraycolor,someofthecarbonsinksandsomeofitfloats,andthemixtureistransparent (mostlyinthemiddle)Carbon200494247%147%Differentshadesofdarkgray,itisapowderysubstance,and itstickstothesidesofthebeakerCopperChlorideandwater...
EssayonSeperationofaMixtureLabReport
SEPERATIONOFAMIXTUREPurpose:Thepurposeofthislabistofindouthowcomponentsofamixturecan beseparatedandanalyzed.Procedure:Theprocedureforthislabreportisasfollows:1.Mixtureistaken,andhas tobemeasuredinordertomeettherequirementsof2-3g.2.Themassofthetrayismeasuredandthenthescaleis zeroedoutandthemixtureisaddedtofindoutthemassoftheoriginalmixture3Next,findthemassofthe 250mLbeaker,zerooutthescale...
CalorimetricAnalysisLabReport
IntroductionÂÂÂThepurposeofthelabwastousedifferentsolubilitiesofiron(III)andnickel(II)ionsto separateamixtureofthetwo.Thiswasdonebyprecipitatingbothofthesolutionswithhydroxideandaftera solutionofammoniawasusedtore-solvatethenickelasNi(NH3)62+(Rice2017)Theseparationofchemicalsis acrucialstepinmanychemicalproceduresandexperimentsasitcanallowfortheidentificationoftheelements withinanunknownsolution(Altig2009)MethodsÂÂÂ
LabReportonSolubility
SeparationoftheComponentsofaMixtureGeneralChemistry1(Chem101),ISPSCUHSReport2January26, 2014AbstractTheanalysesofmixtureweretodistinguishandidentifyhomogeneousmixturebyusingthe techniquesofdecantationandsublimationByperformingthesetechniques,weexaminedoursolutionssuchas SiO2(sand),NH4Cl(ammoniumchloride),andNaCl(sodiumchloride)andmixedH2O(water)witheach solutionafterbeingheatedAfterexaminingoursolutions,wemadecalculations
EvaporationLabReport
experiment,thefirstseparationmethodappliedtothemixturewassifting.Thisisduetothefactthatitallowedthe largercomponentstoberemovedfromthemixturefirstInremovingthelargestcomponentsofthemixturefirst,it allowedmoreeasewhenapplyingtheotherthreemethodsofseparationtothemixture.Thisisduetothefactthat thelargercomponent,inthiscaserocks,werenotinthewayofseparatingsmallercomponentssuchastheiron filingsandsandfromthemixtureOverall,sifting
ASeparationandPurificationSchemeEssay
55consistsofdevisingaseparationandpurificationschemeforathreecomponentmixtureTheoverallobjective istoisolateinpureformtwoofthethreecompoundsThiswasdoneusingextraction,solubility,crystallization andvacuumfiltration.Theexperimentwascarriedouttwotimes,bothofwhichweresuccessful.Background Information:Thisexperimentcombinedalltheknowledgeofthepreviouslabsperformedthroughoutthesemester Anunknownmixturecontaininganorganicacid...
SeparationOfMixturesLabReport
MostofthematerialsthatweuseeverydayaremixturesLearningaboutseparatingmixturesareimportantsinceit allowsustoseparateunpollutedsubstances.Amixturecanbeoneoftwo,eitherhomogeneousorheterogeneous. Homogeneousmixturesareusuallyuniformwhileheterogeneousmixturesaren'tAnexampleofahomogeneous mixturewouldbesaltwaterbecausewhenfullydissolved,theappearanceisuniformAnexampleofa heterogeneousmixturewouldbeoilandwater.Bothoilandwatercan...
ExtractionofBenzoicAcidEssay
laboratorytechniquesinsidethelabtogetoneorientedtothebasicmethodsofprocedurethatcanbeusedforlater experiments.Thisexperimentinvolvestheseparationofbenzoicacidfromamorecrudeform,consistingof benzoicacid,methylorange,acommonacid/baseindicator,andcellulose,anaturalpolymerofglucose(Huston, andLiu17-24).Thetechniquethatisusedtoperformthisseparationiscalledextraction.Extractionisasystematic processofseparatingmixturesofcompounds,takingadvantage...
Chapter4:TheSeparationOfMixtures
ThepurposeofChapter4:TheSeparationofMixtureswastodeterminemethodsofseparatingmixturesofsolids, liquids,andgasesusingtheircharacteristicpropertiesPriorknowledgethathelpprovidebackgroundforthis chaptercanbefoundinchapters3and4,whichbothcontaininformationaboutcharacteristicproperties.Chapter3 focusedondensity,boingpoint,andfreezingpoint,andtheimportanceofcharacteristicproperties,andChapter4 concentratedonthecharacteristicpropertyof
PhysicalAndChemicalChangesLabReport
ChemicalChangesPurpose:RecognizeanddistinguishbetweenchemicalandphysicalchangesApparatusand Material:evaporatingdish,Bunsenburner,woodsplint,testtubes,microspatula,dropper,mortarandpestle,test tubeholder,safetygoggles,labapron.Pieceofpaper,NaCl(sodiumchloride),water,6MHCL(hydrochloric acid),01MAgNO3(silvernitrate),Mgribbon,6MHCL(hydrochloricacid),CuSO45H2O,050gironfillings, 0.50gofpowderedsulfur,magnet,coppersulfatesolution,zinc...
SeparationOfAMixtureOfHexaneAndToluene
experimentistoseparateamixtureofhexaneandtoluenebycollectingfractionsthroughsimpleandfractional distillationBecausehexane'sboilingpointisabout68°Candtheboilingpointoftolueneis111°C,thetwo compoundsdistillatdifferenttimes.Pureproductswillbeanalyzedwithgaschromatographytodeterminethe successofthedistillationForeasyseparations,asimpledistillationapparatusprobablywillsuffice,butformore difficultseparations,afractionaldistillationapparatus...
AcidAndBaseSynthesisLabReport
Extraction:AcidandBaseSeparationandIsolationKaleighConwayChemistry2270Laboratory,Section017 Instructor:MudithanganiKolambageOctober11,2017Abstract:Thepurposeofthislabwastoinvestigatethe methodofextractionasameansofisolatingpurecompoundsInthisexperiment,theacid-baseextractionmethod wasusedonamixturecomposedofthreeseparatecomponents:anacid,abase,andaneutralcomponent.The extractionsolventusedwasdiethyletherThroughsequentialacid-base
Lab04-ChromatographyandIonicvsCovalentBonds
StudentName:MelissaTatumStudentID:4593119Date:7Dec2014CourseandSectionNumber:SCIN131 A004Fall14Lesson4Lab:ChromatographyandIonicversusCovalentBondsPART1Beginbyviewingthe followingThinkwellvideo1513ÂCIADemonstration:ChromatographyAfteryouwatchtheabovevideo, answerthequestionsbelowinsufficientdetail:(a)(3pts.)Thisvideodiscusses3differenttypesof chromatographyListeachonementioned,anddescribetheirdifferencesinasmuchdetail
HexaneAndTolueneLabReport
JessieNalley24October2017SailajahGukathasanFractionalDistillationofHexaneandTolueneAim/Purpose: Thepurposeofthisexperimentistoseparateandpurifytheliquidcomponentsofamixturewithaknown compositionusingatechniquecalledfractionaldistillation.Inordertodoso,aliquidmixtureisseparatedinto threefractionsinthefirstdistillation;then,oneofthefractionsproducedisredistilledtoincreasethepurityofthe liquidSincetworoundsofdistillationoccur,the
Whenperformingtheseparationofamixture,itisimportanttonotethedifferentphysicalandchemicalproperties oftheindividualsubstancesinthemixture,suchaspolarity(polarandnonpolar)andsolubilityAlsoimportantto takeintoconsiderationistheelementalcompositionandchemicalmakeupofthesubstancesbeingmanipulated.In thisexperiment,waterandethylacetatearethetwosolventsgiventobeusedtodissolveinthemixtureThewater, beingpolar,willdissolveinotherpolar...
ElectrophoresisCaseStudy
Questions1Canyouseparateamixtureofthefollowingthreeproteinsusingmembraneelectrophoresis?Protein AhasapI>pHoftherunbuffer,ProteinBhasapI<thepHoftherunbuffer,andProteinChasapI=pHofthe runbuffer.Ifso,describethemovementofeachprotein.(5points)Yes,aseparationcouldoccur.ProteinAwould bepositivelychargedandmovetowardsthecathode,ProteinBwouldbenegativelychargedandmovetowardsthe anode,andProteinCwouldexperiencenomovement...
SeparationOfTheConstituentsOfAnAnalgesicPreparation
KellyWilinski21March2016SeparationoftheConstituentsofanAnalgesicPreparation:Acid/BaseExtraction 15February2016and29February2016ObjectiveoftheExperimentTheobjectiveofthisextractionexperiment wastoachieveacomprehensiveunderstanding,aswellasmasterthepractice,ofthetechniqueofseparating variousindividualcomponentsofacompound.PhysicalPropertiesandStructuresoftheReactantsandProductsin theExperimentDichloromethaneDichloromethanehasa...
SeparationOfAMixturesLabReport
SeparationofaMixtureofSolidsEssay
Oceancountycollege|SEPERATIONOFAMIXTUREOFSOLIDS|DEPARTMENTOFCHEMISTRY|| JohnCurran|2/23/2013|COURSEINSTRUCTORDRNANCYMARASHI|Background:Duringthis experimentstudentswilltakeamixtureandseparateitintoits'puresubstances.Amixtureisacombinationoftwo ormoresubstance.Thesesubstancescannotbecombinedchemicallybutmorephysically.Thepuresubstancesare substancesthatcannotbeseparatedanymorebyphysicalmeansThestudents
ChemicalMixture,UsingFiltrationAndEvaporation
IntroductionTheobjectiveofthislabwillbetoproficientlyseparateamixture,usingfiltrationandevaporation.In thislab,ahomogeneousmixturewillbecreated,alongwithaheterogeneousmixtureThetwomixtureswillbe mixedtogether,yetseparated.Commonsubstanceswillbemixedandthenseparatedusingtwoofthetechniques alreadylisted;filtrationandevaporationTheoryIfthesalt,sand,andwatermixtureisseparatedsuccessfully throughfiltrationandevaporation,thenthe...
InvestigatingTheExperimentOnInvestigatingGasChromatography
InvestigatingGasChromatographyEmilyWhitsettLabPartner:MadisonParkerCHE448InstrumentalAnalysis April3rd,2015AbstractThepurposeofthelabwastoseparateamixturecontainingmethanol,acetone,methyl ethylketone,ethylacetate,propylacetateand2-pentanoneusinggaschromatography.Theeffectoftemperature andpressurevarianceoftheMiniGConthechromatogramwasanalyzedandthebesttemperature-pressureprofile wasdeterminedbasedontheresults...
MixtureOfUnidentifiedOrganicCompoundsLabReport
Acoupleofmixturesofunidentifiedorganiccompounds(amixtureoftwoliquidsandanothermixtureoftwo solidcompounds)wereobtained,andthecompoundsofeachmixturewerethenseparated,isolated,andpurified. Thecompoundsoftheliquid-liquidmixturewereisolatedbysimpledistillation,andthecompoundsinthemixture ofsolidswereextractedbyliquid-liquidextraction,andlaterpurifiedthroughrecrystallization.Physicalproperties –suchasboilingpoints,meltingpoints,anddensities-
LabSynthesis
Thepurposeofthislabistofindtheoxidationstateofmanganeseforthesynthesisofmanganese(?)chloride,and tocompletethenamingofthecompound.Thediscoveryofthechargeofmanganeseintheioniccompoundwillbe usedtofurthertheanalysisofthereactionThelabrequiresperformingthechemicalreactionofsynthesizing manganesemetalandhydrochloricacid.Thelaboratorytechniquesrequiredtofindtheoxidationstatewillinclude qualitativeobservation,collectingquantitative
TransactionalDistillationLabReport
itisinthefirst.Also,theimpuritiesaretobeinsolubleinthesecondsolvent.Furthermore,thesetwosolventsmust beimmiscible,unabletodissolveintoeachotherThesetwosolventsarethenmixedtogetherthenallowedto separateThisseparationalsoallowsthespecificcompoundstoalsooperateintothetwodifferentlayers,removing theimpuritiesfromthedesiredcompounds.Chromatographyisatermthatrefersto...
thisexperiment,identificationoftheunknownketoneisaccomplishedthroughthinlayerchromatography,melting point,and1H-NMRspectroscopy.Theunknownketoneisfromahomologousseriesofmethylketones.CH3CO (CH2)nCH3Thefirststepinthelabisthepreparationofthesolventusedinthedevelopingchamberforthin
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withtheseparationofmixturesofsolidandlearnseparationtechniquesbasedonthechemicalpropertiesofa substancePROCEDURES1SeparatingouttheIronaUseyourdigitalscaletodeterminethemassofyour weighingdish.b.Emptytheentiremixtureofsolidsfromtheplasticbagintotheweighingdishanddeterminethe grossmassofthetotalmixtureandweighingdish.Computethenetmassofthemixture:thisisequaltothegross massoftheweighingdishwiththemixturelessthe
EssaySeparationofBenzoicAcidandAcetanilide
Chem3100Thursday9am-1:45pmOlumbaObuUnknown#:146Fall-11OrganicChemistryMidtermReport13 October2011TableofContentsSeparationofBenzoicAcidandAcetanilide3ExtractionandPurificationof CaffeinefromTea4ExtractionofTrimyristinfromNutmeg5Conversionoft-butanoltot-butylchloride6 Appendix7Calculations8LiteratureandExperimentalValuesofBenzoicAcidandAcetanilide9Experimental CaffeineIR10LiteratureCaffeine...
Organic2LabReport
SeparationOfAMixtureLab
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Acid-BaseLab
recrystallizationsothatmistakessuchasoverrinsingoccurlessandaremoreprecise.Alsoanotherimprovement thatcouldbemadeistoperformmoreteststotheacidthathadbeenanucleophiletobetteridentifyits transformationOtherwisethelabthatwasperformedwasparalleltothatofworkintheextractionofmedicines andothercompoundsthataremarketedaspureatalessgrandscale,butdemonstratedtheimportanceofacid/base chemistrySupplemental
ExperimentChromatography:UsingTheConcentrationOf CompoundsAndHelpsIdentifyTheSubstancesWithinIt
ThemobilephasetheslowlyrisesuptheTLCplatebythecapillaryaction.Whilstthesolventispastedthespot thatwasapplied,abalanceisthenrecognisedbetweenthecomponentsofmixturesasthemoleculesofa componentwhichisthenadsorbedonthesolidandthemoleculeswhichareinasolution.However,the componentswithinthesolubilitywillthendifferandthestrengthoftheiradsorptiontotheadsorbentandsome componentswillthenbecarriedupwardson
Title:SeparationLabPurpose:Thepurposeofthislabwastosuccessfullyseparateamixtureofironfilings,poppy seeds,sandandsaltHypothesis:Inmyopinion,Ithinkitispossibletosuccessfullyseparatethemixture Procedure:1.WegotaDixiecupwiththemixtureofironfillings.2.Wegotanironmagnetandstirreditaround themixtureintheDixiecuptoattractalltheironfilings3Then,weputalloftheironfilingsthatwe
TransactionalDistillationLabReport
JaynilPatelLabPartners:MeghanHarbaughandChaimaeOualidTA:PrabaniDissanayakeTitle:Simpleand FractionalDistillationofaBinaryMixtureIntroduction:CyclohexaneandToluenearethetwoorganicmolecules thatwillgothroughthepurificationprocess.Bothcompoundsare"colorless,flammableliquids,thatdissolves withwater"(EnvironmentalprotectionAgency)Thelabrequiredusingdistillation,whichisaprocessof separatingliquidsbycooling,heating,andcondensingthe
LiquidAndSolidSubstancesIntoPureForms
IntroductionMixturessurroundusinourdailyenvironmentbutitisusefultobeabletoseparatethesubstances intopureformsSeasaltisagoodexampleofapureformthatweuseindailylifethatcanbeseparatedfroma solution.Amixtureistwoormoresubstancesthatarenotchemicallyboundtogether.Youareabletoseparatethe componentsofamixtureifyoutakeadvantageofthedifferentphysicalpropertiesSandisasolidsubstance becauseitisinsoluble(doesnotdissolve)in...
SeparationLabReport
NotesOnChromatography
Background:Derivedformthegreekwordsforcolour(Chroma)andwriting(graphe)Chromatographyisa methodismethodinwhichdifferentkindsofthecolouredchemicalmixturesareseparated.Intheearly1900s, MikhailTswett,aRussianbotanist,wasinterestedintheindividualcompoundspresentedinplantsHeunderstood thatremovinggroundupplantsextractswiththedissimilarsolventswillprovideassortedcolouredsolutions. Tswettconductedanexperimentwhichinvolvedpouringaplant
MidtermLabReport
AneriPatelCHEM2100MidtermLabReportFall2017ComarUnknownNumber#####Introduction:Themain purposeoftheseexperimentswasintroducevarioustechniquessuchastheuseofseparation,purificationand extractionforeachorganiccompoundthatwasobtainedThefirstexperimentwasdoneonacompoundwhichis commonlyknownasatriglyceridewhichcontainsthreefattyacidsandaglycerolbackbone.Thenextexperiment wasdoneoneacaffeinewhichisahetercylicringHowever,thisheterocyclic
SynthesisAndCharacterizationOfAspirin
Chemistry322LabReportPartI.SynthesisandCharacterizationofAspirinPartII.ExtractionofNaturalProducts
Name:BiancaDavisInstructor:DrRussellDateSubmitted:December8,2014 IntroductionAspirinisa substanceknownasacetylsalicylicacid.Itisusedmainlyasanoverthecounterdrugusedtorelieveinflammation, pain,andfever.Itsnaturalformissalicylicacid.Thissynthesisprocessrequirestheacetylationofsalicylicacid withaceticanhydrideThepurposeofthislabisto
TLCAnalysisofAnalgesicDrugsAuthor:MoniqueAmandaMendezLabInstructor:WenmoSunOrganic ChemistryLab243A:Section038DateWorkPerformed:02September2015Discussion:Lab1a-TLCAnalysis ofAnalgesicDrugsDiscusstherelativepolaritiesofthecomponentsoftheanalgesicdrugsbasedontheir functionalgroupsTherelativepolarityoftheanalgesicdrugsdependsontheirfunctionalgroupsPolarityofthe drugsdependsonseveraldifferentiatingfactorswhich...
SimpleDistillationAndFractionalDistillation
Distillationistheprocessofseparatingcomponentsfromaliquidmixturebyselectiveevaporationand condensation,utilizingthedifferentvolatilityofeachsubstance(Wikipedia,Distillation,2015).Itcanresultin completeseparationorpartialseparation(whichincreasestheconcentrationofselectedcomponents) (Massachusetts,Universityof,2015)Thetwotypesthatwereexaminedinthislabwassimpledistillationand fractionaldistillation.Raoult'sLawalsoplaysanimportantfactor...
Lab10:IsolationofIdentificationoftheMajorConstituentofCloveOil
Chem253-OrganicChemistryILab10:IsolationofIdentificationofthemajorconstituentofcloveoil3/15/2012
Purpose:Thepurposeofthislabwastoisolatethecoveoilfromgroundclovesanddeterminetheidentityofthe majorconstituentthatisknowntohavethemolecularformulaC10H12O2throughIRspectrometryTheory:Many peoplesearchforalternativewaystotreatillnessesotherthantheconventionaluseofdrugsandsurgery.These alternativewaysincludearomatherapy,...
AnalgesicDrugsLabReport
OrganicLab
ofanorganiccompound?Solubleimpuritiesaffectthemeltingpointofasolidinthefollowingmanner.a.The presenceofanimpurityinthemoltencompoundreducesitsvaporpressurethusloweringthemeltingpointofthe compound.b.Broadenthemeltingpointrange.2.Forwhattowpurposearemeltingpointsroutinelyuseda.To determinetheidentityofanorganicsolid.b.Todeterminethepurityofanorganicsolid.3.Whateffectsonthe measuredmeltingpointwouldyouexpectineach
SeparatingtheComponentsofPanacetin
WillJeffries11/12/11PeriodTwoOrganicChemistryExtractionandEvaporation.SeparatingtheComponentsof PanacetinPre-Lab:Analgesicdrugsareknownforreducingpain,whileantisepticdrugsreducesymptomssuchas feversandswelling.However,someofthesedrugscanreducebothillnesses.Toobtainapurecompoundinthese drugs,thescientistneedstoseparatethedesiredcompoundbytakingadvantageofthedifferentphysicaland chemicalproperties.Suchas;differentboilingpoints...
OrganicChem1PostLabReportEssay
PostLabReportExperiment3-Chromatography–AnalyzingAnalgesicsbyTLCandIsolationofβ–Caroteneby ColumnChromatographyChemicals1Acetaminophen(C8H9NO2)2Aspirin(C9H8O4)3Caffeine (C8H10N4O2)4.Ibuprofen(C13hH18O2)IntroductionInthisexperiment,severalanalgesicswereanalyzedby ThinLayerChromatography(TLC)andthecompositionofanunknowntabletwasidentifiedWedefine chromatographyastheseparationoftwoormorecompoundsorionsby...
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UnknownMixture
Experiment3:IdentificationofanUnknownMixturebyExtraction,RecrystallizationandMeltingPoint DeterminationAlexPresello103402448LabCompleted:October10th,2014UniversityofWindsor  Experiment3:IdentificationofanUnknownMixtureAbstractThepurposeofthisexperimentwastofirst,extract twoofthreepossibleorganiccompoundsfromanunknownorganicmixture(#2)andsecond,toidentifythem.The twomainmethodsofseparationusedinthisexperimentwereliquid-liquidextraction...
ElkassihSeparationLab
ElkassihSeparationoftheComponentsofaMixtureLabPartner:Satan'spubesDatePerformed:9282015 Chemistry1411Separatingtheelementsofamixturecanbedonethroughdecantation,extraction,and sublimationThisexperimentstartsbypracticingthesublimationprocessbyheatingthemixture:NaCl,NH4Cl, andSiO2.Throughsublimation,themassofNH2Clcanbefound.Thenbyextraction,water,themassofNaClcan befound;decantthewater,extractingtheNaClfromthemixtureFinally
Group6Investigation7Tuesday830amEssay
PaperChromatographyLabReport
separatemixturesofsubstancesintotheircomponentsTherearedifferenttypesofchromatographybuttheyareall basedonthesameprincipal.Paperchromatographyisananalyticalmethodthatisusedtoseparatecolored chemicalsorsubstances,especiallypigmentsTheyallhaveastationaryphaseandamobilephaseThemoving substanceiscalledthemobilephasewhilethestationaryphasestaysput.Themobilephaseflowsthroughthe stationaryphaseandcarriesthecomponentsofthemixturewith
GasChromatographyAndHighPerformanceLiquidChromatography
TableofContentsPartA:3Introduction:3GasChromatography(GC)3Gas-solidchromatography3Gas-liquid chromatography3Advantages:3Disadvantages:3HighperformanceliquidChromatography(HPLC)4
Advantages:4Disadvantages:4PartB:5Introduction5References6PartA:Introduction:ForensicChemistry involvesavarietyofdifferenttechniquesinwhichhavetheabilitytoanalysesamplesfoundoncrimescene,one setoftechniquesisthatofchromatographyChromatography
Experiment3SeparationAndIdentificationOfOrganicUnknowns
Discussion–Experiment3A:SeparationandIdentificationofOrganicUnknownsUnknown#1Extractionisa separationmethodthatutilizesdifferencesinsolubilitytoseparatecompounds(1)Thepurposeofthisexperiment wastoseparatethreedifferentorganiccompoundsusingextractionandthentoidentifythembyusinginfrared(IR) spectroscopy.Anextractionwascarriedoutona750-mgsolidmixturecontaininganacidic,neutral,andbasic unknownInpart1thesolidmixturewasfirstdissolvedin
OrganicChemistryLaboratory
CHEM333LOrganicChemistryLaboratoryRevision11IsolationofLycopenefromTomatoPasteusingColumn ChromatographyInthislaboratoryexercisewewillisolatethepigmentLycopenefromtomatopaste.Inafollow uplab,wewillexaminetheUV-VISspectrumofLycopene,isomerizeitandthenexaminetheisomer'sspectrum forcomparison.Lycopene,theredpigmentofthetomato,isaC40-carotenoidmadeupofeightIsopreneunits; makingitatetraterpeneOthersourcesofthecompound
IdentifyingAnUnknownSolidUsingMeltingPoint
IdentifyinganUnknownSolidUsingMeltingPointandMixedMeltingPointDataShultz,JoshuaT.Chemistry 2210LResultsTheexperimentersinsertedacapillarytubecontainingapproximately2to3mmofbenzoicacid intoamanualMel-TempmeltingpointapparatusWiththeMel-Tempdialsetbetween3and4,thetemperature increasedatasteadyrateofapproximately2°Cperminutefromaplateausetat90°C.Thefirstappearanceof liquidoccurredat119°C,andthebenzoicacidcompletely
PanacetinLabReport
evaporationrate,heatandswirlthemixtureoveraheatbath.Whenasolidremainsornomoresolventevaporates, theunknownwaslefttodrytoconstantmassAftertheunknownwasdry,itwasboiledwithenoughwater(found bycalculations)todissolveitcompletelyandwascooledtoroomtemperature.AnErlenmeyerflaskwasusedto accommodatethelargestvolumeofrecrystallizationsolventcalculatedandwascooledinanicebathtoincrease theyieldofcrystalsThesolidwascollectedbyvacuumfiltration
