21700.廣棗多糖鑭和多糖鈰的合成及其降解甲基橙的作用

1、分類號——ICS——學校代碼1Q1墨魚學號一201200208菱：￡～莖一3家右民慶大學碩士學、又廣棗多糖鑭和多糖鈰的合成及其降解甲基橙的作用SynthesisofChoerospondiasPolysacchrideLanthanumandPolysacchride—CeriumEffectontheDegradationofMethylOrange申請人：王海燕學科專業(yè)：分析化學研究方向：光譜分析學位類別：學術學位指導教師：趙玉英教

2、授論文提交日期：二O一五年五月SynthesisofChoerospondiasPolysacchride—CeriumEffectonPolysacchrideLanthanumandtheDegradationofMethylOrangeAbstractInthispaper，theChoerospondiasaxillarispolysaccharidewasresearchedastheresearchobjectTheChoe

3、rospondiasaxillarispolysaccharidewasextractedbyhotwaterextractionandultrasonicextraction，theobtainedpolysaccharidebywaterextractionmethodwererecordedas”polysaccharideA”，theobtainedpolysaccharidebyultrasonicmethodwerereco

4、rdedas”polysaccharideB”The30kindsofclassificationofpolysaccharideLanthanumseriesproductsand30kindsofpolysaccharideceriumseriesproducts，whichcarriedoutusingtheextractedpolysaccharideAandpolysaccharideBand1anthanumnitratea

5、ndammoniumeerienitrateatdifferentpHvalue，temperatureandtimeofreactionconditionsjwhichwereclassifiedunderdifferentconditionstOtheabtainedcrudepolysaccharidelanthanumandpolysaccharideceriumThepropertiesofphotocatalyticdegr

6、adationofmethylorangewascomparativelyresearchedtOthepreparedpolysaccharidemetalseriesproductThepolysaccharidelanthanumofA3500hasthebettereffecttodegradationmethylorangeinpolysaccharidelanthanumseriesproducts，themaximumra

7、tewas7414％，atthesametime血epolysaccharideceriumofB3500hasthebettereffecttOdegradationmethylorangeinpolysaccharideceriumseriesproducts，andthemaximumratewas8364％Therewillnotcausesecondarypollutionproblemsforwaterandsoilifus

8、ingthesamplestodegradationwastewater，becausethepolysaccharideceriumandpolysaccharidelanthanumcouldn’tcausepollution，theycandegradatemethylorangewithlowconcentrationofrareearth，SOthisresearchisworthyofstudyTheChoerospondi

9、asaxillarispolysaccharidecontentofpolysaccharidelanthanumA3500andpolysaccharideceriumB3500wasdeterminedbyphenolsulfuricacidmethod，respectively5796％and7834％：atomicabsorptionmethodwasusedtodeterminethecontentofpolysacchari

10、delanthanumA3500oflanthanumis76％spectrophotometrymethodwasusedtodeterminethecontentofpolysaccharideceriumiSB350058％：contentpolysaccharideLaA3500was6556％：thecontentofpolysaccharideCeB3500was8414％Comparisonofpolysaccharide