腐植酸中官能团的测定方法

20200012JouranlofSeieneeofTeaehers’CollegaendUniversityVol.20Feb.NO.2000’()、、、、.O,,,、、.,、、.,、,、.,.,、、、、.,,、、.11.1;6mol·I’;;0.1mol·IJ’;0.1mol·I’;0.05mol·I,’;0.25mol·I’;0.1%;0.25mol·I’2;0.4mol·I’;0.2mol·I,;;0.05mol·I,】;。.025mol·I,;2mol·I〕;2mol·I,’;;;;;;;;0.01mol·IJ’;10%;10%;;0.5%;;(,:1072).pHS21.21.2.11:20,,,6mol·I,pH11.5,,10h,,,2,80℃、,40,,.80`C、,80,.1.2.2。.2。。。g50mIJ,25mIJ0.05mol·I’aB(OH):,,Zh,25mIJ0.1mol·IJ’HCI,(),0.1mol·I`NaOH..1.2.30.2000950mIJ,25ml0.25mol·I`,Zh,,,3~4,0.1mol·IJ’,.1.2.4。.20。。g150mJ,,10ml,0.25mol·I,’2,10mL,,70℃lh,15n1,100J(),,,19991215.,.20,pH2.5,.1.2.5150rnJJ0.04009,25mIJ2mol·I,,25mL2mol·L,NaOH45ilnZ,(,),,,,,srnJ。.025mol·IJ’,0.sh,,0.05mol·I,`,—..1.2.640mg,,,3m1JIO%(50;3rnIJ10%Na:,12mIJ.,6rnJJ1.7,,140]50℃,3/S,,1.5h.,mIJ,3,10mIJI:91.59,,5n,0.5%,0.01mol·IJ’Na3..22.11(mmol/g)123(rnrnol/g)5.855.475.574.014.184.145.634.113.642.1]3.762.153.912.103.772.120.0160.0080.0060.0102.2,2.88.2(mmol/g)123(mmol/g)l,4(98%)(95%)14.2814.2014.1814.228028.089.219.2012.0712.0411.9912.036.106.036.066.06(%)180%1.71%2.33%1.64%288%2.3,SCV.3.,.1:3(mmol/g)——23118.748.978.90(mmol/g)CV%8.870096JQóQéùhb0027.497.527.3734.284.144.29451.880.0781.951.910.0780.0800.9l61.50.0790.00133.1,,.,,..3.2,..,.,;,.3.3,,Fe“NaOe)。Na,FeZ`K￡r,,.,.,,.3.4.,,.,.、11.7.,、、,.hnitzerMKhan5U.MumieSubstaneesinEhvironment.MareelkkerIne.1972.37(l):54~59..,1992,(6):287288,,,.,1997,(7):360363TsulsukiK,Kuwatsuka5.InternationalHuhaeSubstaneesSrietyNewsletter.5011SeiPlantNutr,1978.24(4)547~552StudyontheDeterminationoftheFunetionalGroupinHumiCAeidWuHongyuanHuangHaitao(QiqiharUniversity)eilongjiangNongkenNornarl11ege)ZhaoHuaPing(QiqiharUniversity)AbstraetTheanalytiealearboxylgroup,earbonylmethedofsomegroupsgrouP,quinenegrouPandinhueaeid15studied,suehastotalaeidiegroup,methonylgroup.KeyWordsHueaeidFunetionalgroupeDterne