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1、硅胶（Silicagel）SilicagelOpenclassification:chemicalmedicine,plasticmaterials,mechanicalparts,biochemistryDirectory12basicinformation3invention4manufacturing5properties6classification7regeneration7.1mainmethods7.2shouldpayattentiontotheproblemofsilicagelregeneration8mainuses9
2、storageandpackagingpicturesdiscussionknowledge,magicblocktemporarilynoknowledgemagicblockShareperfectentriesNewknowledgeagencySina,micro-blog,Tencent,micro-blogRenren,QQspaceNetEase,micro-bloghappy001TianyaFetionspaceMSNmobilelobbyistsNH2Osilicagel(Silicondioxide)isakindof
3、highlyactiveadsorptionmaterialandbelongstoamorphoussubstance.ItschemicalformulaismSiO2.Insolubleinwaterandanysolvent,non-toxic,tasteless,stablechemicalproperties,inadditiontostrongalkali,hydrofluoricacid,doesnotreactwithanysubstance.Accordingtoitsporesize,silicagelcanbediv
4、idedintomacroporoussilicagel,macroporoussilicagel,Btypesilicagel,andporesilicagel.Differenttypesofsilicagelhavedifferentporestructureduetotheirdifferentmanufacturingmethods.Thechemicalcompositionandphysicalstructureofsilicageldeterminethatithasmanycharacteristicswhicharedi
5、fficulttoreplacebyothersimilarmaterials:highadsorptionperformance,goodthermalstability,stablechemicalproperties,highmechanicalstrength,etc..EditorialDigestCaptainNemosiliconeisfrequentlyusedincosmetic.LetmecommentSilicagel-briefintroductionSilicagelsilicagelisakindofgranul
6、arporoussilicahydrate,whichiswashedanddriedbysodiumsilicateandacid.Themaincomponentissilica.Thechemicalpropertyisstableandnotburning.Althoughthenameis"gum"",Itisactuallyasolid,withatransparentormilkyappearance.Ithasanopenporousstructure,strongadsorption,andcanadsorbavariet
7、yofsubstances.Becauseithasstrongadsorption,canquicklyandeffectivelysealmoistureadsorptionandchemicalstability,thepackageisnon-toxicandharmless,silicagelhasbeenusedextensivelyfordrugpurification,DNAseparation,fooddrying,highprecisionelectronics,seniorcosmetics,sewagepurific
8、ation,purification,coatingandadvancedbeerresinproductionorpreservationetc..Silicagel-basi
