关于英文版化学实验报告.docx

关于英文版化学实验报告.docx

《关于英文版化学实验报告.docx》由会员分享，可在线阅读，更多相关《关于英文版化学实验报告.docx（4页珍藏版）》请在冰豆网上搜索。

关于英文版化学实验报告

报告编号：

YT-FS-2077-52

关于英文版化学实验报告

AfterCompletingTheTaskAccordingToTheOriginalPlan,AReportWillBeFormedToReflectTheBasicSituationEncountered,RevealTheExistingProblemsAndPutForwardFutureIdeas.

互惠互利共同繁荣

MutualBenefitAndCommonProsperity

报告书编号：

YT-FS-2077-52

编订：

******

批准：

******

关于英文版化学实验报告

备注：

该报告书文本主要按照原定计划完成任务后形成报告，并反映遇到的基本情况、实际取得的成功和过程中取得的经验教训、揭露存在的问题以及提出今后设想。

文档可根据实际情况进行修改和使用。

　　篇一：

英文版化学实验报告

　　Title:

PreparationofFescrapfromwaste

　　（NH4）2SO4.FeSO4.6H2O

　　Thepurposeoftheexperiment

　　Learnthemethodusedscrapironpreparationofferrousammoniumsulfate.

　　Familiarwiththewaterbath,filtered,andevaporatedunderreducedpressureandcrystallizationbasicworking.

　　Theexperimentalprinciple,theironandsulfuricacidtogeneratereactiveferroussulfate,ferroussulfateandammoniumsulfateinanaqueoussolutionofequalmolarinteraction,becomeslesssolublebluegenerateferrousammoniumsulfate.

　　Fe+H2SO4=FeSO4+H2（gas）

　　FeSO4+（NH4）2SO4+6H2O=（NH4）2SO4.FeSO4.6H2OUsuallyferrousrocksareeasilyoxidizedinair,butaftertheformationofrelativelystableperfunctory,nottobeoxidized.

　　Experimenttouseinstruments,scales,constanttemperaturewaterbath,pumps,basins,cups,10mlgraduatedcylinder,asbestosmesh,glass,tripod,alcohollamp,funnel.

　　Ironpiecestoasolidpharmaceuticaluse,useofacidammoniumsulfateand3mol/lofsulfuricacid,concentratedsulfuricacid.

　　Theexperimentwasdividedintofoursteps.

　　ThefirststepSaidironpowder4gintoabeakerandthen50ml10ml,3mol/LH2SO4wasaddedtothesamebeaker.Thesecondstepwillbethebeakerisheatedtonomorebubbles,andthenfilteredhotandthefiltratewasthenfilledin100mlbeaker.Thethirdstep,called4g（NH4）2SO4,andtheresulting

　　ammoniumsulfateand5.3mlofwatertoformasaturatedsolution,andthenaddittotheferroussulfatesolution,adjustedwithconcentratedsulfuricacidtoPH=1.Afourthstep,thethirdstepthesolutionwasheatedinawaterbathtothesurfaceuntilthefilmiscrystallized,itwasslowlycooledand

　　thenfilteredunderreducedpressuretostandfinallydried,weighedandtheyieldwascalculated.Theresultsobtained8.1gbluishpowdery

　　crystals.Havethisresultwecancalculateyield,startingwiththefirststepwetriedtoknowtheamountofiron,shouldthiswecancalculatethetheoreticalsulfateferroussulfateis0.03mol,thenferroussulfateobtainedbythe

　　0.03molFeSO4theoreticalvalueofammonium.FeSO4+（NH4）2SO4+6H2O=FeSO4.（NH4）2SO4.6H2O0.03molXmol

　　X=0.03mol

　　m=XM=0.03molⅹ392g/mol=11.76g

　　Yield=theactualvalueoftheformulaisdividedbythetheoreticalvalueby100%.itwillbecalculatedintothedataobtainedinayieldof68.9%.

　　篇二：

英文版化学实验报告

　　Thepreparationofalkalitypecoppercarbonate

　　Thefirst:

theexperimentpurpose

　　1.Masterthemethodsofalkalitypecoppercarbonatepreparedandprinciple

　　2.Throughthedesignexperimenttocultivateindependentdesignabilityandchemicalresearchthinking

　　Thesecond:

theexperimentalprinciple

　　ThesolubilityofCu（OH）2andCuCO3aresimilar,WithCu2（OH）2CO3solidprecipitationinthesolution.

　　2CuSO4+2Na2CO3+H2O==Cu2（OH）2CO3↓+2Na2SO4+CO2↑

　　Thethird:

theexperimentalsteps

　　1.Solutionpreparation

　　Disposes0.5moleofeachlitreacidsourcoppersandsodiumcarbonatesolutioneach100milliliters.

　　2.Thefeedingorderandrawmaterialcomparetheexploration

　　Accordingto2:

1.6,2:

2,2:

2.4,2:

2.8allocatedproportion,isacceptedafterpassinganexaminationthesurfacedispositionacidsourcopperandthesodiumcarbonatesolution,joinsinseparately8testtubes,joinsrapidlythesulfuricacidcoppersolutionsinthesodiumcarbonatesolution,vibratesaboutotherconstanttemperaturetenminutesasfor75degreesCelsiuswaterbathsin,theinversionfeedingorderrecreatesonetime,theobservationhastheprecipitationspeed,quantityhowmanyandthecolor,

　　discoverstheoptimumcondition.

　　3.Temperatureexploration

　　Accordingtotheaboveoptimumcondition,takestheacidsourcoppersolutionsandthesodiumcarbonatesolutionseparatelyunder50,75and100degreesCelsiusrespondedthat,discoverstheoptimumtemperature.

　　4.Accordingto2,3stepexplorationoptimumconditionpreparesthefinalproduct,andwiththedistilledwaterlavation,finallydriesandcallsheavily.（Enlargestentimeswithconicalflasktodo）

　　Thefourth:

theexperimentalitems

　　Instrumentandmaterial:

Thebalance,thebeaker,theglassrod,theVolumetricflask,thetesttube,thefilterflask,theBuchnerfunnel,theErlenmeyerflask

　　Chemicals:

Coppercarbonate,sodiumsulfate

　　Thefifth:

theexperimentalresult

　　1.Bythestep2,theobservationphenomenonoptimumconditionisequaltoforthecupricsulfatecomparedtothesodiumcarbonate2:

2.4,thefeedingorderforjoinsthesulfuricacidcoppersolutionstothesodiumcarbonatesolutionin.

　　2.Bythestep3,theobservationphenomenonoptimumtemperatureis75degreesCelsius

　　3.Accordingtothecoppersulfatesolutionthansodiumcarbonate

　　solutionis2:

2.4,tentimesmagnification,alkalitypecoppercarbonatewaszeropointfivegrams,accordingtothereactionequationcalculationyield.

　　2CuSO4+2Na2CO3+H2O==Cu2（OH）2CO3↓+2Na2SO4+CO2↑

　　21

　　0.5*0.02X

　　2/（0.5*0.02）=1/X

　　X=0.005

　　M[Cu2（OH）2CO3]=0.005*222=1.11g

　　Productiverate:

0.5/1.11*100%=45%

　　Thesixth:

Questions

　　1.Whichcupricsaltsuitthesystemtotakethecupricbasiccarbonate?

Answer:

Cu（NO）3orCuSO4

　　2.Thereactiontemperaturehaswhatinfluencetothisexperiment?

.

　　Answer:

Thetemperatureexcessivelyislow,theresponsespeedisslow;Thehyperpyrexia,theCu2（OH）2CO3decompositionisCuO.

　　3.ReactioniscarriedoutatwhattemperaturewillappearBrownproduct?

Whatisthebrownsubstance?

　　Answer:

Thetemperatureisequalto100degreesCelsiusandthisbrownmaterialisCuO.

　　篇三：

化学专业英语实验报告

　　Inthephysiologicalsalinethesodiumchloridecontentdetermination

　　one,theexperimentalgoal

　　1、thestudysilvernitratestandardsolutionconfigurationandthedemarcationmethod

　　2、thegraspinglawraisesSiFatodeterminethechlorideionthemethodprincipletwo,theexperimentalprinciple

　　WithAgNO3standardsolutiontitrationCl-Ag++Cl-==AgCl，Atph7.0-10.5availablefluorescentyellowdoindicator（HFIn）

　　HFIn==FIn（yellow）+H+

　　Spbefore:

excessive,AgClprecipitationadsorptionofCl-AgClCl-+FIn-（yellow-green）

　　AfterSp:

Ag+,excessiveAgClprecipitationAg+adsorption,adsorptionFIn-reprecipitationAgCl,Ag++FIn-==AgCl,Ag+,FIn-（pink）Thefinishcolorchanges:

fromyellowishgreentoorangeThree,instrumentsandreagents

　　Equipmentandmaterials：

Acidtypeburet（150ml）,taperbottle（250ml）,volumetricflask（100ml）,pipette（20ml,10ml）,measuringcylinder（100ml,10ml）,beaker（100ml）,brownreagentbottles（500ml）,analyticalbalance,platformscale.Thereagentanddrug:

AnalysisofAgNO3（s,pure）,NaCl（s,

　　analysisofpure）,physiologicalsaline,fluorescentyellow-starch.Fourth,theexperimentalsteps

　　Accuratelymoving25mlconcentrationis0.7064mol╱Lofsilvernitratestandardsolutioninthemiddleof250mlvolumetricflask,dilutetoscaleasastandardsolutiontitration.

　　Accuratelymovingsaline10.00mlto250mlconicalflask,add50mlwater,3dropsoffluorescentyellowindicator,5%starchindicator5ml,undercontinuousagitation,usingsilvernitrate

　　standardsolutiontitrationtosolutionfromyellowtopinkistheendpoint.Recordtheconsumptionvolumeofsilvernitrate

　　standardsolution,paralleldeterminationof3,calculatethesodiumchloridecontentinsalineandrelativemeandeviation.

　　Fifth,datarecordingandprocessing

　　Formula:

ρ=V×MrNaCl×CAgNO3x100

　　Theaveragedeviationd=0.01300dr=d/ρ×100%=0.13%

这里填写您企业或者单位的信息

FillInTheInformationOfYourEnterpriseOrUnitHere