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1、四氯化硅（Foursiliconchloride）Determinationofsilicondioxideandferricoxidearerequiredtousethehightemperaturemufflefurnace,preferablyheatedto1500degrees,largepowerconsumption,requiresaseparatethree-phasepowerlinelead.Generallyuseplatinumcrucible(veryexpensive,estimatethousandsofdollars),analysisofbal
2、ance,othercommonlyusedglassinstrumentwillnothavemuchmoney.Itisadvisabletocheckthenationalstandards,andthenpreparetheequipmentaccordingtotherequirementsofthenationalstandards.Liketheaboveonlytwoelements,themaininstrumentsandequipmentare:mechanicalbalanceabout1700.About1000ofthemufflefurnace.And
3、theelectricstove,thecrucible,thebeaker,andsoon.Theseareverymiscellaneous.Ifyouwanttoknow,I'llcallyouwhenI'vewrittenthemFourchlorinatedsilicon,phosphoruspentachloride,phosphorustrichlorideishydrolyzedto?Questioner:2009-05-0512:45everybodyshow
4、Views:1239Fourchlorinatedsilicon,phosphoruspentachlo
5、ride,phosphorustrichlorideishydrolyzedto?LetmehelphimoutSatisfactoryanswer2009-05-0512:53SiCl4+4H2O=H4SiO4+4HClorSiCl4+3H2O=H2SiO3+4HClPCl3+3H2O=H3PO3+3HClPCl5+4H2O=H3PO4+5HCldividestheminto2points,respectively,withH2OdividedintoH+,OH-recombination,that'sokSiliconchlorideColorlessandtransparen
6、theavyliquidwithsiliconchloridestructure.Chokingsmell.Density1.50.Meltingpoint-70DEGC.Boilingpoint57.6.Inthewetair,thesilicicacidandhydrogenchloridearehydrolyzed,andwhitesmokeoccurssimultaneously.Hydrolysisisveryintenseinwater.Itcanalsoreactwithalcohols.Dissolvedincarbontetrachloride,fourtitan
7、iumchloride,fourtinchloride.Corrosivetotheskin.Itisalsousedassmokeagentforsilicateesters,organosiliconmonomer,organicsiliconeoil,hightemperatureinsulatingpaint,siliconeresin,siliconerubber,etc..Theironisobtainedbydistillationfromferrosiliconover200degreescentigradeandchlorinegas.ChineseName:fo
8、ursiliconchlorideForeignname:silicontetrachlorideAlias:foursiliconchlorideMolecularformula:SiCl4Relativemolecularweight:169.90Chemicalcategory:inorganicsubstancechlorideTypeofregulation:noregulationStorage:sealed,dryandpreservedCatalogP
