煙用添加劑在煙草上吸附性能研究（Ⅳ）——鈷（Ⅱ）和硒（Ⅳ）的吸附性能.pdf

1、南昌大學碩士學位論文煙用添加劑在煙草上吸附性能研究（Ⅳ）——鈷（Ⅱ）和硒（Ⅳ）的吸附性能姓名：吳長英申請學位級別：碩士專業(yè)：物理化學指導教師：聶基蘭20050501童墨查莖堡主蘭堡堡圭塑!!!塑!!!!!!生塑蘭圭墾墜竺墮竺至——上Studyontheadsorptivepropertiesoftobaccoadditive(Ⅳ)——Thatofcobalt(Ⅱ)andselenium(IV)Abstract：Inordertoprod

2、ucinghighgradeandsafecigarette，thechemicaladditivesontobaccohavebeennoticeableincigaretteproductionThestudyoftheadsorptionperfoformanceofchemicaladditiveontobacconotonlyhastheorysignificance，butalsohascertainpracticalsig

3、nificanceininstructingtoaddperfume，tofallharms，andtoimprovethequalityofcigaretteproductionItcanimprovetheconflagramproperiesoftobaccowhencobaltjoined，andthemin—nimseleniumcaareducethedeleterioussubstanceinthecigcaretteha

4、ze，andreducetheharmtohealth，thereforeinthispaperwehaveresearchedtheadsorptiveproperitiesofco—balt(II)ontobaccoandsomefactorswhichaffecttheadsorptionofselenium(IV)ontobaccobythetheoryofliquid—solidadsorptionWehavediscusse

5、dtheinfluencesoftheadsorbateconcentration，temperature，pHandcertainconcomitantsubstance，andhavedeterminedadsorptionisothermalunderthedifferenttemperatureTheadsorptionisothermalofCo(11)issimilartothatofLangmuirandithasdeal

6、twiththeSDM—Amodel，antaceordingtoitwehavecalculated△G，AH，△SandtheirponderanceAGcp)，△G(a／z，PDin)，AHfp)，／＼H(d&IDm)，AS(B)and△S(此PDm)Theresultsshowthatthisadsorptionisspon—taneouslyandtheadsorptionneedsdecalescenceWehavesear

7、chedonespectrophotometricmethodthatissimplyreliablemetljodindeterminingconstantselenium(IV)，andstudiedthefactorswhichaffecttheseleniura(IV)adsorbedontobaccobythismethodWehavedeterminedtheselenium(IV)accordingthatwhenpHl0

8、～30，andthenonionicsurfaceactiveagentOP一10existenceSe(IV)withH2NCSNH2canproducecomplexcompoundwhosecomplexingratiois1：2，andwhoisstableWehaveseenaboutitsstabilitythebiggestabsorptionwavelength，thestableexistenceofthiscompl