河水底泥中甲基汞的測(cè)定.pdf

1、分類(lèi)號(hào)X揸；～UnC諍丈密級(jí)一公矗編號(hào)凰舞嘗力一：學(xué)位論文河水底泥中甲基汞的測(cè)定李許珍捂導(dǎo)教寅I姓名贏煮雕學(xué)銜，職務(wù)熬撰～審請(qǐng)學(xué)位級(jí)別爨糯妻學(xué)科專(zhuān)業(yè)及方向兩飆化學(xué)意羼京機(jī)論文提交日期曼艘生每俾周艘凰論文答辯日期皇Q!蔓鬟!圭用∞周學(xué)位授予單位和日期黑龍江大學(xué)2004年月日答辯委員會(huì)主席q么孑評(píng)閱人。躉掘勰!_建艄一『年月臼黑龍江大學(xué)碩士學(xué)位論文AbstractSinceentryintothe1970s一1980speriodwater

2、pollutionissuehasbeenbecomingmoreandmoreprominentwiththeworldwiderapiddevelopmentofthepetroleumandorganicchemicalindustriesThecauseof“Minamatadisease’’disasterinJapanwasidentifiedtobemercurypoisoningthathasseriouslyirrev

3、ersiblydamagedthehealthofthousandsofpeopleinseveraldecades，sometimesleadingtotheirdeathsMethylmercurycontentinbottomsludgesofwastewatereffluentsandrivershascaughttheattentionofgovernmemsandthegeneralpublicallovertheworld

4、ItisgenerallyagreedthatitisasignificanthealthfactorthatshouldbecloselymonitoredandtheStateEnvironmentalProtectionAdministrationhaslistedmethylmercuryasaClassOnepollutantTherehasbeenactivedevelopmentofnewsensitive，accurat

5、emethodsfordeterminationofmethylmercuryinwastewatersewagesludgesandriverbottomsiltThispaperdescribestheresultsofdevelopinganewGC(electroncapturedetector)methodWetsludgesampleswerepretreatedby(1)direct，HCIacidsolutionimme

6、rsion，(2)benzeneextractionunderacidiccondition，(3)extractionunderneutralconditionsbyHCl一一L—mercapto—amino—propionicacid—NaAcsolution，andfinally(4)countercurrentbenzeneextractionunderacidicconditionTheextraetantliquidwasd

7、irectlyinjectedintothegaschromatographOnthebasisofaboveexperimentalwork，asuitableandaccurateGCmethodformethylmercurydeterminationthathasimportantandinvaluableapplicationsinthefieldofenvironmentalscienceandhealthtestingha