39ҳ 39ҽ ҽ ҽ ҩƷͨ ٿ ҩƷ ֻҺ30Һšҽ
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39APP
¼14502ּ֢״

ȫѪǦ

ղ
ǩ: ޻Ԫزⶨ

Ǧ(plumbumPb)ԭ207.19ɫ11.35(20)۵327.4棬е1620档ϼ24ˮϡᡣᡢͼҺȵ400500ʱǦڿѸǦ(Pb2O)޻ǦһǦ(PbOɮ)ǦǦ(Pb2O3)Ǧ(Pb3O4Ǧ)ȻǦǦ(PbSǦ)ǦǦǦʽ̼Ǧ[2Pb[O2·Pb(OH)2]Ǧ]ȡճУ(úǦʳƷҩ)ͺչǦ>0.5mg/dǦжԽΣҪϵͳѪҺϵͳ

...[ϸ][]
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ȫѪǦע

(1)ϸԭ߲ӫȲⶨ

ٱΪ50&mu;g/L EP侫ܶȱϵ(CV)4.3%7%Ի96.6%ӫֹȷⶨ֮ϵr=0.9796P<0.001ʷdzأ˵нϸߵȣܶȺ׼ȷԣΪƷ۸УڹƹӦá

Ѫ04ʱ䲻˹Ӧ7ɷ

˺ϸԭ߲ģһԭ߲(FEP)ǦжȱƶѪʱϸӵԭ߲Ҫпԭ߲(ZPP)ʽڣͱҺƻѪкϸʱʹZPPתΪEPȡⶨʱΪEPס

(2)ʯī¯ԭչ׷ⶨѪǦ

ٱصDzƽ̨ʯī¯ԭӻȣƷǦ׼ҺúⰷTriton-X 100ĻĽϡͣԼ򵥵УЩȶ¶ƽ̨ʯī¯(STPF)Ļѧ۽ͼԼ5&mu;g/L(0.025&mu;mol/L)ܶȣCV0.4%5.4%CV 1.0%4.7%;׼ȷȣŨǦʿ(ֵԼΪ70&mu;g/L)ʵֵڰֵ&plusmn;10&mu;g/LΧ;ŨǦʿ(ֵ>200&mu;g/L)ʵֵڰֵ&plusmn;6%ֵΧڡZeemanУAAS(4100 2L)B-Pb

(y=1.005X+0.089r2=0.997n=44)

ڱһУ&ldquo;Ƚ&rdquo;&ldquo;ȴ&rdquo;һΪ˼ʯī¯ݶȵӰ졣һʯī¯(longitudinally heated furnance)AAS(PE 3110AAS)ʯī¯(side heated furnance)޴ݶ(PE 4100 2LAAS)Ƚɲȴ

УAASB-PbⶨʱʱַƫͣźŵڻߣһڹԴδֱĸšӦϸĵʹУĹƵĹǡص

ܷҪñ׼۷׼ȷȺ;ܶ;ƷⶨҪñ׼Ƽ顣йԤҽѧѧԺйҼȨ&ldquo;ȫѪǦӳɷַ׼(GBW 0913209134)&rdquo;Ӧ

(3)ϸZPP׼

辭ZPP׼У飬֤á

ڸDzƬıֱֵӰZPPIJⶨǰϴɸѡȥֵߡ

ȫѪǦָ

ֵ:
οֵӴǦѪEPΧ57511/g/L0.100.91/mol/LλΪ227g/Ln46ȫΧEPοֵΪƽGM280g/L0.50mol/LP95οֵΧΪ610g/L1.09mol/Ln978

ֵ

ֵ

ȫѪǦؼ

ȫѪǦ

ȫѪǦ˽ǦչǦ>0.5mg/dǦжԽΣҪϵͳѪҺϵͳ

ȫѪǦ

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