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NQ'Yϑ}vp \nmя0.5mL QtST(u2.5mol.L-1vxzʑ5mL0 Km[agNlSe196.3 nm,IQ1&^[0.4 nm op5uAm10mA0.ll}lAmϑ150mL.min-1 ^ߏe7s yRe0.5s ؏SBR:N|x"lS0 hQP:N0.45 mg.L-1 RSD:N3.59 %0 laNy `$ ؏SBRv bRx^1u6N؏S4N ՋNHCl0(WHCl-NReQKI0Vc02u ~ghf8TIQ^0͑s'`S3z['`GWNHCl:NsO0 a$S_Km[5ng.mL-1See N NyP[Nmg.L-1 Ca2+(500), Mg2+(300), Cu2+(5),Zn2+(5),Fe3+(20),Cd2+(600),Co2+(600),Cr3+,Pb2+(5)Mn2+(6),K+,Na+(200) Nr^pbKm[0 2 wXpl[11] Ǒ(uPd(NO3) 2-Triton X-100\O:NSf[9eۏBR (uZeemanHe^cbd̀of vcKm[@n-NvRx S(uNe8^'Yybϑ7hT-NRxvKm[0 (uN!k'`l\hVbSSՋehfzzyY @1mLN2mLr^qmQvy_{-N >en2h37!4ltm T N3000r.min-1y_15min08TS NB\N1mL PVQXe{-N nNQ{-NOX[Y(u0Km[e8TS Nnm0.1mLN+T g100mLSf[9eۏBRvՋ7h-N mSTNhQnmNw Te cNhV]\OagNKm[0 Km[agNlSe196.0nm ,IQ1&^[1.3 nm op5uAm7mA Kmϑe_\by ̀of!hckZeemane_wXpGS)n z^r^q)n^/e60^90 !/30 s 95^120 !/30 sppS)n^/e400^600 !/30s 800^900!/25sSP[S)n^/e2600 !/4 s,QS)n^/e2900 !/7sۏ7hSOy10L )llAmϑ100mL.min-1hQReQlKm[0 RSD:N6.5^7.8 V6es:N94.2^1040 laNy `$S_ NRNUOSf[9eۏBRe SevgؚAQppS)n^N:N300! S_ReQCu2 0Ni2 0Fe3 0Pd2 I{Sf[9eۏBRT ppS)n^ g N T z^vcؚ vQ-NPd2 Hegg}Y0500^1000 PN_KmCQ }vPd2 SORxvupOe^cؚ~1.5 P gؚppS)n^1200!0 a$:N2bk@n(WwX{QvUnT(W{-Nvibce ReQhb;m'`BRTriton X-100 gHe0WMQr^qTppS6k7hTvUnTibcesa0 b$(W@n-N8^vqQX[CQ }K 0Na 0Ca2 0Mg2 0Zn2 TCl- [Km[er^pb Fe3 TP[SeNuIQ1r^pb S_Ǒ(uZeemancbd̀ofe ُNr^pbSNmd0 3 @n-NvKm[[12^14] Ǒ(uSmkxx\7hT-NN}vˆ}v~TvyP[8nyQeg (Wkxx xS bOW@xN(-N (u2uW_NWn(MIBK)STxv~Tir (uwXpSP[8T6elKm[0 S@n7hT0.50 mL nN10 mL[ϑt-N RSmkxx1.00 mL mS >en6qQtS 6qTR4l5.00 mL0@nReQ10g.L-1hQm1.00 mL mS ReQ30 %xS 20 %bOW@x0.50 mL mS >en2min ReQMIBK 1.00 mL /cGdS3 min >enRB\ S10L g:gvۏ7h cNhVKm[agNۏLKm[0 Tl\OՋBRzz}v0 Km[agNlAg328.1 nm, zz_4gop5uAm4 mA IQ1&^[0.6 nmwXpGS)n z^r^qeaW)n^/e80 ~120 !/30s Oce0s ppSeaW)n^/e/f500 !/10s Oce20s SP[S)n^2300! QS)n^/e/f2500 !/2 sSP[S6k\Pl4syRe5s0 hQP:N0.24g.L-1 V6es:N88.8^109.8 % ~'`V:N0~100g.L-10 laNy (1) gNzz_4gopQvCuS\QCu327.4 nm~ d^O(uzvIQ1&^[ &TR\_c1YvQupOe^0 (2)Au0Pt0Rh0Pd0PbSFe[Agv8T6eer^pb 'YϑAl01000 PϑvTh0MnO-40IO-3SxvI{r^pbAgv8T6e0 4 @n-N7xvKm[[15] Ǒ(umwX{ N\OWSO9eۏBR (WTriton X-100X[(W N O(uwXpSP[8T6elvcKm[0 S@n7hT0.20 mLN1mLՋ7hog-N ReQ\OWSO9eۏBRT4 %Triton X-100 zʑ0.45 mL OSTriton X-100+TϑR+R:N100 mg.L-1T0.1 %(V/V) GdST R+RS20Lۏ7hKm[0 Tl\OՋBRzz}v0 Km[agNlAs193.7 nm op5uAm7.5 mA IQ1&^[2.6 nmp㉂mB\wX{wXpGS)n z^r^qeaW)n^/e40 ~130 !/25 s r^qOc)n^/e/f130 !/15 s ppSeaW)n^/e/f130!~1200!/15 s ppSOc)n^/e/f1200 !/20 s SP[S)n^/e/f2800 !/4 s QS)n^/e/f2900 !/3 s)l}lAmϑ0.2 L.min-1Km[e_\ؚ0 hQP:N6.37 g.L-1 RSD:N1.79 % V6es:N96.8 %~103.2 % ~'`V:N50^600 g.L-10 laNy (1)NSO+T7xkNO(N@n7x+Tϑ:N0.0029^0.2000 mg.L-1) N(Wuir~~-N 7xN~Tb__X[(W \ g:gir4xOWTMbKm[0[+T7x7hTۏLme yr+Rla7xv_c1Y0 (2)Qkp0q\[%N͑vSf[r^pb OupOe^ShQPSOW0FOO(uN2yvN2O-C2H20qe(W193.70 nmYQNN[hQvf^ v^Smdr^pb0 (3)O(u z[qAir-C2H20qe Mg0Al0Ca0V0Cr(VI)0Fe0Co0Ni0CuSMoX[(W100 PAsϑer^pb 20 PϑeS g{_vr^pb0 5 @n-NvKm[[14 16] S@n7hT0.50 mL R3.0 mol.L-1 NH4NO3nm1.00 mLT0.2 %Triton X-100(+T1.0 %HNO3) 2.50 mL GdS0 Tl\OՋBRzz}v0R+RKm[hQ|R07hTnmS7hTzz}vnmv\ؚ chQf~ꁨR{Q7hT+Tϑ0 Km[agNlBa553.6 nm op5uAm12.5 mA IQ1&^[0.4 nmۏ7hϑ20 LǑ(uvmYtwX{wXpGS)n z^r^q)n^/e/f30 ~80 !/10 s 80~150 !/20s ppS)n^/e/f150~700 !/10 s 1500 !/10 s SP[S)n^/e/f2700 !/5 s QS)n^/e/f2850 !/3s)l}lAmϑ0.3 L.min-1 SP[S6k\Pl^XfHe^̀of!hck Kmϑe_\ؚ (uhQf~l[ϑ0 hQP:N0.02 mg.L-1 RSD:N3.25%^5.52 % V6es:N95.9 %^98.1 %0 laNy (1)(WAir-C2H2[qagN N_N NcOBavؚSP[Hes SReQǏϑvv\5uyb6R NS (W[qN2O-C2H20q-N_ؚvupOe^0 (2)^Qݔ0xx9h0Exx9h0xWё^\vr^pb O(ugʑ>eBRSQ\ُNr^pb0Ca[BavIQ1r^pb/f1uNBa 553.55 nm~NCa(OH)2RP[&^v͑S8T6e0 6 @n-NIvKm[[17 18] S@n7hT2.00 mLnN_ϑmSt-N nba0WReQ]xx1.00 mL >enQRT ReQǏ'lS"l0.50 mL >e(Wxtm N\_0WRpmS v^ Ne0WeRǏ'lS"l vnmHTEmĞr0R4l1.00 mL ~~Rpяr^ R4l2.00 mL R)nnT >eQ[)n R1.00 mL~TBRmS (u1.00 mL2uW_NW2un(MIBK)S2 min YnRB\T l{XR4l6.00 mL O g:gvGS0R N0 Tl\OՋBRzz}v0 Km[agNlCd 228.8 nmwXpGS)n z^r^q)n^/e/f100 !/20 s ppS)n^/e/f300 !/30 s SP[S)n^/e/f2000 !/7 s)ll}lAmϑ2 L.min-10 hQP:N0.1 g.L-1 ~'`V:N0^0.01g.mL-10 laNy (1)T7hT-NReQ]xxT _YeS^gRp [fnQ0dkeSYNogQ4l SsnQe zsS>e(WQ4l-N _3z[TSQRp N2bk7hTnQ0 (2):NMQIop8T [(WNO5uAm N]\O O(uIQ1&^[N, Nu%NeBR SmdegAlSSivSf[r^pb0Yglns^GWv__\ Rxx9h Nr^pbKm[ 8 hQ@-NŔvKm[[21] \5% 4-2uW"l'lS\O:NzʑBR [@7hzʑTvc(uwXpSP[8T6elKm[hQ@-NŔ (uN'Yϑ7hTvhKm0 \1mL@7hnN+T }bQBR30LZYNpQXe{Q >eN4!Q{OX[0(u_ϑۏ7hhV8TS@7h40LnNv g5% 4-2uW"l'lSnm0.32mLvwQ^Xy_{-N EQR/cGd 6qTReQ1%]xxnm40L (Wem_mShV N/cGdJSR EQRmS0 Te\OՋBRzz}v0 Km[agNlPb283.3 nm op5uAm7.5mA IQ1&^[1.3 nmwXpGS)n z^r^q)n^/e/f100~125!/40s^50s ppS)n^/e/f400^600 !/20s SP[S)n^/e/f1800 !/7s QS)n^/e/f2500 !/3s0(uhQf~l[ϑ0 hQP:N11pg yr_(ϑ:N75pg RSD:N2.5%~4.4% V6es:N94.0%~99.0%0 laNy 1 (Wr^q)n^NON125! r^qe:N50se 7hT*g[hQr^ O gflsa0Km[e^Ǐ[ bgsOwXpGS)nagN0 2 Ǒ(uhQReQlThQf~lhKmN20*N7h,g $Nle>fW'`]_0VdkKm['Yϑ7hTe [(uhQf~lNfhQReQl0 9 hQ@-N7x0RxvKm[[22] Ǒ(u]xx-ؚ/lxmTx3+1 mSm (WRVAm{vKm7xtQRekmS@7h (uAmRl\"lSirSuSP[8T6elKm[7x0Rx0 Qnx8TSNhQ@3mL nN150mLKm7xt-N ReQ]xx-ؚ/lxmTx3+1 4mL v'}VAm{T >eeQ70!R`)n4ltmQmS I{QWWm1Y mSmS:NmhrmSOe sSSly5upg NxtmmS v0RKm7xtQkX[ؚ/lx_YSpe ScVAm{~~mSKm7xt^Qs}vr~vf QtSTv NVAm{ 2bkmSTv7hTS0Ralg0 Km[agNlAs193.7 nm Se196nmop5uAmAs 5mA Se8 mAIQ1&^[As 0.4 nm Se 0.4 nm}lAmϑGW:N180mL.min-1 |x"lSSm^GW:N15g.L-1 }mGW:N1%HCl0 hQPAs0.61ng.mL-1 Se0.39 ng.mL-1RSD:N9%~9.6 %V6es:N95.1%~99.6 %0 15.2.4.2 ?\m-N_ϑCQ }Km[ ?\m/fN"vg~Nir0?\-N_ϑCQ }ۏeQ:gSO8T6e ~N"ۏeQ?\-NclQv_ϑCQ }/fS fяg_ϑCQ }c4ls^vOeachKNNSSOQN"TclrQ0ck8^bt^Nc?\1000 mL.d-1 ~2500 mL.d-1 vQϑnߘ0n4l0oir0ЏR0l)n0sXI{ N T _0N)YQ?\-NcQv_ϑCQ }Y^lT0 /f*NSϑ ?\v4N^Rg Nehf!kcQv?\:NT /f24\eQgSm)v?\ _N/fTe'`(]+Rg\v?\7h0 1 ?\m-NݔvKm[[14 23 24] S?\m30.00 mL ReQ]xxSm^:N0.5 %0Sdk?\m7hT0.10 mL>eeQwmS{ QReQؚ/lx0.10 mL0]xx0.50 mL >e(W5up N80 !baRp3h󁜘rlm GS)n120 !Oc3 h _nmonTGS180 !Oc4 hnmer 6qTGS@b)n^ \x%cSS0QtSTReQ4l1.00 mL n4 !Q{OX[0 Tl\OՋBRzz}v0 Km[agNlAl308.2 nm IQ1&^[0.7 nmS7hϑ10 LwXpGS)n z^r^q)n^/e/f95 !/60 s ppS)n^/e/f1100 !/8 s SP[S)n^/e/f2500 !/2s QS)n^/e/f2700 !/3s)llAmϑ1.3 L.min-1 SP[Se)llAmϑ0.01 L.min-10g'YRsGS)nKmϑe_\bylopcbd̀ofhQf~l[ϑ0 hQP:N0.004 mg.L-1 RSD:N5.8 % V6es:N80.0 % ~96.0 %0~'`V:N0~0.85 mg.L-10 laNy (1)uir~~-Nݔ+Tϑ_NO ݔS/fsX-NfalgvCQ }KNN0@bN(W7hTǑƖ0.X[0MRYtTRgKm[Ǐ z-N yr+Rla2bkS0Ralg0 (2)8T6efW0WSkp0qSf[ϑvq_T [q0q gؚvupOe^ FO gegFe0NiSvQ[CQ }vq_T (W z+qkp0q-NOQ\ُNCQ }vq_T0(W_{O(u[q0qe SReQNH4Clb(NH4)HF20R7hTSh7h-NmdSf[r^pb FOupOe^MNONN0 3 ?\m-N^lvKm[[26] (Wx'`agN N Ǒ(uAmRl\"lSirSuhVbmS?\7h-N^lRyQeg \^ll[eQyr6Rvw8T6e{Q (uSP[8T6elKm[^l0"lSlS^SO|Ǒ(uckNl bgsOagN0 50mLkr{-N R~4l5mL kxx2mL mS >en5min,QTRemS?\7h5.0mL QRؚ0xnm8.0mL >e45^50!4ltm2h0SQ /cGd NnRvxnm[hQ*r ^eS>en20min [[25mL mS_Km0 Km[agNlHg 253.7 nm zz_4gop5uAm2.0 MaFIA-AAS|~]\OSpeSuhV}l:Nؚ~)ll Amϑ:N100 mL.min-1 5upw8T6e{ N5u0 hQP:N0.13 g.L-1 RSD:N3.0 %~5.4 % V6es:N90.0 % ~109.0 %0 laNy "lSirSP[8T6eKm[?\^l SS^SO|x^0|x"lS(uϑNSNhVKmՋagNI{YyV }q_T0OSagNSǑ(uL1645ckNh[cՋ bgsOv}lAmϑ0|x"lSSm^0}mx^TՋ7hx^0 4 ?\m-N0vKm[[14 27] Sev?\m(u2.0 %]xxۏL1:1zʑ0 Tl\OՋBRzz}v0 Km[agNlMn279.5 nm zz_4gop5uAm10 mA IQ1&^[0.5 nmۏ7hSOy10 Lp㉂mB\wX{wXpGS)n z^r^q)n^/e/f90 !/30s 120 !/30sppS)n^/e/f400 !/20 s, 1200 !/20 sSP[S)n^/e/f2400 !/3 sQS)n^/e/f2500 !/3 sAr(bN2 )}lAmϑ1.0 L.min-1(SP[Se\Pl)Kmϑe_\ؚlopcbd̀of(uhQf~l[ϑ0 hQP:N0.080 g.L-1 RSD:N3.16 % V6es:N97.2 %0 laNy (1):N_0RgؚvupOe^So}Yv!hckf~~'`V BlMn279.48 nm1~JS[^<0.2 nm @b_8T6eOS N>fWOVN@bO(uvop5uAm0 (2)Km0N,O(u+qSSf[ϑvAir-C2H20q kp0qv‰Kmؚ^[8T6eOSe:_pq_T (3)(uAir-C2H20qKm0 [E Nl gr^pbX[(W NSi[8T6e gr^pb ReQCaCl2SmdSivq_T0 15.2.4.3 >Um-N_ϑCQ }Km[ >UmVt^0'`+RTc[v]_ Rl^_NVNVeT_ N>UmS|^yq_T'Y >UmvWSOk YBg0Ee (u>Um\O:NhKm7hTe ^lavQq_TV }0 1 >Um-NvKm[[14 28] Ǒ(ukxxRppSNcؚvV6es (ukxxݔmdՋ7h-N~100 mg.L-1Ca0Mgv̀of8T6e0kp0qSP[8T6elKm[0 S>Um0.50 mLNMiWW-N R10nkxx(1 1) nNNO)n5up N \_r^0S N(uMvv N zYu N2bkppSS|ppǏ z-Nvޘn_c1Y0\vQeQ300 !l_p-N 10 ~15 minTN2~3 !.min-1v^GS400 ! 8=\pTsQ핉p 6qTGS500 ! |pp30 min ppR(uzkxx(1 9)n v^Rpl0S N QtST(u\ϑ4l9TmiWWv mmTv^NMiWW ǏnTyeQ10 mL[ϑt ReQ3.00 mLݔnm(kxxݔvqTnm) R4lzʑ;R^0ՋmNhQnmvx^c6RN (uhQf~lbhQReQl[ϑ0 Tl\OՋBRzz}v0 Km[agNlLi670.8 nm, zz_4gop5uAm4.0 mA IQ1&^[0.1 nmzzlAmϑ10.0 L.min-1 YNpAmϑ2.0 L.min-10 hQP:N 0.003 mg.L-1 RSD:N3.2 % V6es:N98.2 %~105.0 %0 laNy (1)O(uzzl YNp0qe Qs݄rkp0qeqeMk:NgsO (2)Yg7hT-N+Tϑ_\e (Wx'`nm-NSNT(2,2,2- N2uWYNp)2upub~Tir (uYNS[Ɩ (WlyP[X[(W N(uzvxnmSS (3)1uN(Wuir~~-Nvck8^+Tϑu_ yr+Rla7hT6RYǏ z-Nvalg [ՋBRv~^0[hVS[[zzlvmY ^%NUm-NŔvKm[[29] SShg{_^1oS N!k ,{N!k(u1.5 %gjxnm T$N!k(uSyP[4l0dr^4V҉T >Um _Sv4V҉AmeQQXe{Q0S>Um0.10 mL>enN&^v1 mLՋ{-N ReQz]xx(1+3) 0.20 mLmS N80 ! 4ltmmS15min0SQTR0.20 mL 1 %xxN"lWSO9eۏBR0 Tl\OՋBRzz}v0 Km[agNlPb283.3 nm zz_4gop5uAm7.5 mA IQ1&^[1.3 nmhQp҉Ws^SwXpwXpGS)n z^r^q)n^/e/f80 !~120 !/30 s ppS)n^/e/f900 !/30 s SP[S)n^/e/f2000 !/30 s QS)n^/e/f2500 !/3s0 hQP:N0.002 mg.L-1 RSD:N2.69 % V6es:N96.6 %~100.5 %0 laNy Ygzz_4gopQEQAr NEQNe RAr(a!)217.14 nm\r^pbؚupOevPb217.00 nm~ Te(Wl NAir-C2H20q̀ofjVX_ؚ O_hQPSOW0 15.2.4.4 4YS-N_ϑCQ }Km[ ck8^NSOv4YSub^:N0.7~1.2 cm/g N T^v4YSSS f N TegNSOrQ yr+R gN gkCQ }YAs Cd Hg PbI{(W4YS-NĄye0Vdk S_NSONvQ1ycT gkCQ }(W@m0?\m-N+Tϑ]~f>fMNO (W4YS-N+TϑN:N3z[0 Vdk hKm4YS-NgNCQ }v+Tϑ wQ gN[vaIN0 1 4YS-NݔvKm[[30] QnxyS~mm0pr^v4YS0.2000 gNZVlYNpmSP-N ReQSm]xx2.00 mL Ǐ'lS"l4.00 mL >e(W_lp-NۏL_lm06qT\mS}Yv7hT(uNl4lzʑ50.00 mL mS0 Tl\OՋBRzz}v0 Km[agNlAl308.2 nm ݔzz_4gop5uAm4 mA IQ1&^[0.7 nmۏ7hSOy20LwXpGS)n z^r^q)n^90~120 ! 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(u10%SOyRpe HCl[[;R^0 TeZPzz}vՋ0 Km[agNlAs193.7nm op5uAm6.0 mA IQ1&^[0.5nm}m:N1% HClnm}l)ll Amϑ/f100mL.min-1؏SBR:NKBH45upwSP[ShVRp5uS/f100V0 ~'`V:N0^30g.L-1 hQP:N0.59g. mL-1 V6es91%^103% RSD:N2.6%^4.1%0 laNy 1 5upw{SP[ShVv)n^/fǏ5uSegc6Rv )n^ǏNO q_T"lSirvSP[SHes)n^Ǐؚ ROlSOǏ^ zʑ"lSir $Ny`Q NGWO8TIQ^MNO 2 ,glNNYNWNkxN(lW2uxkrloxQl Km[~gW,gN0 6 -No-N0vKm[[50] |[yS300g]r^qvĞIo (uϑ4lR3!kNq}Y 6qT(u4l[[N250mL[ϑt-N0S25mL勶nmNpog-N ReQ]xx-ؚ/lxmTx3+1 18mL (W5upWY-NRpmS vQ}vp~2^3min QtST (u4l[[N25mL[ϑt-N0 Km[agNlMn279.5nm op5uAm4mA ,IQ1&^[0.2nmqphVؚ^5mmzzlAmϑNYNpAmϑk4.5:1ۏ7hϑ 6mL.min-10 hQP:N0.0378g.mL-1 V6es:N96.0%^106.5% RSD :N1.54% 0 laNy S_v[](W5%NQe 335 PvCu2+ 285 PvNa+,100 PvZn2+0Fe3+0Pb2+,20 PvCo2+,10 PvCu2+ Nr^pbKm[0 7 -No-Nܔ0M0vKm[[51] SN[ϑ-No7hT(W105!agN Npr^ |xTň(W\^St-N v^(Wr^qhV-NOX[0QnxyS0.5000gv7hTN150mL%b_t-N ReQ10.0mLHNO3T2.0mLHClO4,\_GdR Omxmbxml7hT RO7hT|D(WtX N Yn12hN N 6qT(W5up N\_]xSQSm}vp mSm:NerfbmĞrяr^e:Nbk0QtS leQ25mLkr{-N (u0.5%HNO3mmmS3!kN N mmmv^eQkr{-N (u0.5%HNO3[[0 Km[agNlCu324.8nm Ni232.0nm ,Co240.7nmop5uAmCu 6.0mA ,Ni 8.0 mA ,Co 8.0 mAIQ1&^[GW:N0.2nmzzlAmϑNYNpAmϑk8:10 ܔ0M0hQPR+R:N0.0320g.mL-100.050g.mL-100.022g.mL-1ܔ0M0V6esR+R108.4%0114.9%0115.2%ܔ0M0RSDR+R:N0.36%01.25%00.68%0 laNy Nؚ)nr^ppSl0NO)nr^ppSlTnlmSlvk Ǒ(ur^ppSle ё^\yP[_c1Y%N͑ hs(WTyyP[vNOV6es N0nlmSǑ(uHNO3THClO4vmxSO|\OmSm:Nt`0 8 -No-NA0T vKm[[52 53] QnxyS7hT(Ro0ߘ$N(uIS)1.0000 g >eNؚWpog-N ReQSmHNO3 5.00 mLTSmHClO41.00 mL xmlǏY (W5up NRpmSnmnNv^~~Rpяr^ >eQ R4l5.00 mL _lpeR N4l[[N50mL[ϑt-N0 Tl\OՋBRzz}v0 Km[agNlMg285.2 nm Fe248.3 nm Zn213.9 nmop5uAm Mg4 mA Fe5 mA Zn 5 mAIQ1&^[Mg 0.5 nm Fe0.2 nm Zn 1.0 nmzzlAmϑGW/f4.5 L.min-1 YNpAmϑCa 1.5 L.min-1 Fe0ZnTMg GW:N1.4 L.min-10 V6esFe:N118.24 % Mg:N96.81 % Zn:N113.01 %0 laNy (1) O(uFe248.33 nme,:N2bk`яRg~v1_~Ǐ IQ1&^[S zN0zzl-YNp+qkp0qSQ\kp0qlKmFevr^pb (2)zzl-YNpkp0q[Zn213.86 nm~O gNǸof8T6ejVX FOr^pb N'Y0 (3)Km[Mg/f(u10 %Lanmzʑ0 9 -No-N”vKm[ [54,55] \7hTzʑTvSm^VT vc(uwXpSP[8T6eRgKm[0 Km[agNl Pt266.0 nm IQ1&^[0.2 nmwXpGS)n z^r^q)n^/e/f60 ~115 !/11 s ppS)n^/e/f1900 !/16 s SP[S)n^/e/f2880 !/3 s pQ)n^/e/f2950 !/4 s0 V6es:N95.0%~111.0 % RSD:N<5.0 %0 laNy vQN5ё^\vr^pb,SReQؚSm^vCub(u Cu+Cd SLamd0 10 -No-N^lvKm[[56 57] QnxyS0.50000.0001 gNSNmS{-N ReQHNO310mL0V2O540mg [)n NYbk30minT /TR_lm z^0_m z^~_gT QtS0\mSmyN25mL[ϑt-N ReQQnKMnO4qTnm Oc1^2min N*r _Km[MRnRvxO+}r*S (u4l[[N;R^ mS _Km0 Te\Ozz}v0 Km[agNKm[l:NHg 253.7 nm op5uAm:N4 mA IQ1&^[0.5 nmAr}lSR0.35 MPa Kmϑ^ߏe55 s,SyP[4lAm:N1.0 mL.min-1 ؏SBRSnCl2Am:N1.0 mL.min-1 7hTAm:N7.0 mL.min-10 hQP:N0.15 g.L-1 RSD:N4.9 %~15.77 % V6es:N91.0% ~116.0 %0 laNy (1):NN(WweQ0R[hQm mϑASR͑0Ygϑ*Yؚ O b7hTv8ce0RNekR+RǑ(uRs30%040%050%060%070%sS0RBl0 (2) [__lmS|~mS[kT mSm-NN gkYOv.l'lSirT*g[hQR㉄vǏ'lS"l [NSb6R؏S`^lvb_b [~gOPNOb|[^S] @bN_{(WKm[KNMRdS0 (3) R+RTՋ7h-NReQ00A000 hQnm OvQSm^R+R:NMn100g.mL-10Mg200g.mL-10Ca200g.mL-10Fe200g.mL-10Zn200g.mL-1ۏLՋ GWer^pb0 11 -No-N!vKm[ [58] QnxyS7hT(-Nbo_up8N)0.4000 g nZVlYNpiWW-N R]xx5.00 mL >enǏY0!ke>enNmSPQ np{120 !R`)n4 hmS0SQ6qQtS0(u1 %]xxly25 mLϑt-N (u4lzʑ;R^08TS Nnm \O:N7hT.Ym0 Tl\OՋBRzz}v0 Km[agNlSn286.3 nm op5uAm6.0 mA (v^R4g5uAmOϑ0Rg'Y) IQ1&^[1.3 nmۏ7hϑ20LwXpGS)n z^r^q)n^/e/f80 ~120 !/30s ppS)n^/e/f1200 !/20 s SP[S)n^/e/f2900 !/5 s QS)n^/e/f2950 !/1 sOblArAmϑ:N0.2 L.min-1 SP[Se\PlKmϑe_:N\ؚl(uhQReQlRg[ϑ0 RSD:N4.4 % V6es:N98.0%~108.5 %0 laNy N/lS-]xxA\OmTWSO9eۏBR !(W1200!ppSN3z[ SmdxxvI{WSOvr^pb0 12 -NIo-Nܔ0000 vb_`Rg[59] 7hTYtN_ϑCQ };`ϑKm[\ZQSN60^65! Npr^R`͑ xx|x_(u0QnxyS7hT1.0g ReQ16mLSmHNO3T4mLHClO4 xmlǏYT(W5up NNO)nRp vhrpm1Y QGSؚ)n^RpQ}vp QtST[[25mL Y g Nnir RϑHClRpn N T7he_Ytzz}vnm1N kp0qlKm[_ϑCQ }+Tϑ0 `nm`TSn`vRy c-NIo-N_ϑCQ }R~b_`RgAm z6RYZQSv4lNqmTNq#n (u0.45LnǏn4lNqm nm:NCQ }vSn` n#n:N`nm`0 e:g`T g:g`vRy(uzHClTNaOHnm\Sn`pH:N3.0 N2mL.min-1vAmǏLSA-10hghHQ(uYNxml24h 6qTňg (uN!k4lQmr^QTO(u (uN!k4lmmAmQmHT-N'` _0RCQ }ve:g`0(u25mL2um1h8TDir sS_CQ }v g:g`0 Km[agNlCu324.8 nm Mn279.7nm Fe248.4 nm Zn213.9 nmop5uAmCu2 mA Mn 4mA ,Fe8 mATZn:N5 mAzzlAmϑGW/f0.40 m3.h-1YNpAmϑCuT Mn:N0.10 m3.h-1 Fe:N0.11 m3.h-1 Zn:N0.08 m3.h-10 Cu0Mn0Fe0Zne:g`vRhV6esR+R:N105%0104%0101.6%0106%0 laNy 1 (u8^ĉ4lNqlYtuI0HvI{-NIo7hT Cu0Mn0Fe0Zn-N_ϑCQ }cSsGW\N40% 'YRCQ }NYu(WNq#n-N b_`*gw0:NNxvz4lNq#n-NvCQ }b_` S(uCCl4THClO!k[vQۏLcS0CCl4cSv/f4lNq#n-N_ϑCQ }v g:g~T` HClcSv/f4lNq#n-N_ϑCQ }ve:g`0 2 ZQS-NCu0Mn0Fe0Zn4yCQ }vSn`GW'YN`nm` ُ/fV:N-NIo-Nv g:girY:N'YRP[ؚZir fb_bSO8TD_ϑCQ }b_bf'YRP[ n*bYu0e:g``S~'YRv4lNqm1uNRP[\ fNǏn0 15.3.3.2 Sf[oir06RBRNSuir6RT-N_ϑCQ }Km[ 1 U[Y~V-N00 vKm[[60] 7hTx~ S~0.1gvS_Nxx30mg Qnxyϑ n\pog-N (u\ϑ4lnm R]xx5mL v Nhbv (W5upg Nc6Rxm_l nReQS'l4l v0RhĞrS:Nbk 7hZPzz}v0N4lmmhbvN\pog mmv^eQ100mLϑt-N N1%vx[[ 8TS5mLn50mL ϑt-N (u1%vx[[KmeReQ5%/lSgnmS1%/lSnmT1mL Km[agNlCa422.6 nm Fe248.3 nm Zn213.8 nmop5uAmCa6 mA Fe8 mA Zn4 mAIQ1&^[Ca 0.5 nm Fe0.2 nm Zn 0.5 nmzzlAmϑ8 L.min-1YNpAmϑ2.0 L.min-10 0T v~'`VR+R:N8^16g.mL-103^11g.mL-100.5^3.5g.mL-10T vV6esR+R:N99.3 %0102.2 %0100.6%0RSD:N0.34%0 laNy 1 Km[eReQ/lSg\Oʑ>eBR ScؚvQKm[upOe^ TeReQm5uyBR/lS Smd{_5uyr^pb 2 1g.mL-10T hQnmReQ N TSm^v]xxTvxKm[8TIQ^ ]xxSm^(W10%Q[0T Km[l gq_T (W1%vxN(-N 0T 8TIQeQ R4l50mL ~~Rp30min >eQ ly250mL[ϑt-N (u4lzʑ;R^ GdS0 TeZPzz}v0 Km[agNlCr357.9 nm Ni232.0 nmop5uAmCr7.0 mA Ni4.0 mAIQ1&^[Cr0.5 nm Ni0.2 nmCrwXpGS)n z^r^q)n^/e/f85^120 !/55 s ppS)n^/e/f1000 !/10s SP[S)n^/e/f2600 !/5s0NiwXpGS)n z^r^q)n^/e/f85^120 !/55 s ppS)n^/e/f800 !/15s SP[S)n^/e/f2400 !/5s0 씌TMvV6es:N90%^94 % RSD\N2.4%0 laNy P0ClNS~u }A0B10B20B60B120C0D20E0Sx0uir }0px0lxI{[Kmϑe>fWq_T0kxxv0xxvTExxvNuvr^pb SReQϑ/lSgNNmd0 3 cSP[8T6elKm[R }V[62] WNR }V(Wx'`agN Nv4l㉧NirRP[SNPb2+ublm (ukp0qSP[8T6eIQ1lKm[lm-NŔv+Tϑ SNcKm[oGr-NR }Vv+Tϑ0 Qnxy[$N|R }VoGrv(ϑ x~ QnxyS~0.2000g|+gN25mLkr{-N (u4lnv^[[ (un~r^Ǐn _SRnm S~nm \O:NR }V7hTnm0 Km[agNPb283.3 nm op5uAm4mA ,IQ1&^[ 1.0nmqphVؚ^5mmzzlAmϑ6.0L.min-1 YNpAmϑ2.0L.min-10 ~'`V/f5.1510-5^4.1210-4 mol.L-1 hQP:N7.39210-7 mol.L-1 V6es:N97.8%^102.0% RSD:N0.06%^0.69%0 laNy (1)S_v[](W5%NQe I{ϑva|qTnmTm|qTnm 100 PvNa+0Mg2+ Nr^pbKm[0 (2),glǑ(ukp0qSP[8T6elcKm[R }V+Tϑ NoxQlvk el{O Km[~gQnx r^pb\0 4 cSP[8T6elKm[llf[63] llfRP[-N+T g1_x'` g:g~g,SNZn(SCN)42-b_byP[Tirlm,\lmRyT (ukp0qSP[8T6eIQ1lKm[lm-N (a!)v+Tϑ cKm[llfv+Tϑ0 S5|l@gfV QnxySvQ(ϑ \|+gPQT bzzX(uok7R7RQ QnxyϑzzX(ϑ {k|V-N|+gvs^GW(ϑ0QnxyS~0.5000g|+g nN50mL[ϑt-N R1.00mLvxnm OvQn (u4l[[50mL Nr^qn~Ǐn _SRnm S~nm\O:N7hTnm0yS0.50mL7hTnmN10mLy_{-N R+RO!kReQkxx nm0.50mL00.30moL/Lkx0lxnm0.50mL0vxnm0.50mL z;RQs}vrlm a OS^[hQ Yn10min y_Ry \_yS NB\nm (u0.50mol.L-1kx0lxnmmmlm3!k (uϑ4ln㉉lmv^[[N50mL[ϑt-N GdS0 Km[agNZn213.9 nm op5uAm4mA ,IQ1&^[ 0.4nmqphVؚ^5mmzzlAmϑNYNpAmϑKNk5.5:10 ~'`V/f1.210-2^3.810-2 mg.mL-1 hQP:N1.4110-3 mg.mL-1 V6es:N95.3%^102.8% RSD:N1.55%0 laNy 1 (Wv[](W5%NQ 285.9 PvNa+0335.8 PvK+0118.0 PvMg2+020 PvCa2+GW Nr^pbKm[0 2 bVoxQ-NǑ(un[lKm[llfVv+Tϑ NoxQlvk Ǒ(ucSP[8T6elKm[O(uvoTN^ d\O{O0 5 cSP[8T6elKm[kxx?XbT[64] (WpH=5.0vnm-N S_V|xǏϑe V|xNkxx?XbTb_blm (Wnm-NReQǏϑv/lSlmiRYOvV|x QKm[ǏϑvSN{_0Rvkxx?XbTv+Tϑ0 (W50mL[ϑt-N |nxReQ0.010mol/LvV|xhQnm10.00mL ReQ2mol. L-1 NaAc-HAc(PH=5.0)Qnm10mL QnxyS7hTnm~+T310-5mol.L-1vkxx?XbT 5.00mL (W Nea NbaR4lzʑ;R^ GdS >en5min0r^Ǐn (uym{8TSnm25.00mLN50mL[ϑt-N QnxReQ0.01mol.L-1/lShm10.00mL [[ r^Ǐn 8TSnm15.00mLN100mL[ϑt-N [[ _Km0 Km[agNK766.5nm IQ1&^[1.0nm op5uAm5.0mA 0 RSD:N1.1% V6es:N97%^101%0 laNy 1 lmBRV|xv(uϑNlmS^v[hQ z^ gsQ S_V|xǏϑ50%N N Km[~gQnx0 2 (uvupOe~Km[ S_X[(WNa0Fe0Al0Ca0Mge [K766.5nm~er^pb0 3 nm-N NX[(WRb+0Ag+0NH3+ yP[ V:N[NNV|xb_blm OKm[~gOPy0 6 cSP[8T6elKm[vxwmbf[65] vxwmbf(WS_vx'`agN NN ՋBR0Cu2+[ϑb_bid\k:N111v NCQ~Tir (uMIBKS ǏKm[Sm-NܔegcKm[wmbf0 GrBR7hTSvxwmbfGr10Gr xxb|mS QnxySϑ~+Tvxwmbf200mg (u4ln Ǐn[[100mL[ϑt-N0 BR7hTSvxwmbfBR20/e mTGWS QnxyS10mLN100mL[ϑt-N (u4lzʑ;R^0SN NYt}Yv7hTnm15mLN100mL[ϑt-N (upH=4.0vN2ux"lQmzʑ;R^ 6qTQnxySdknm1.0mL0 ՋBR0/lSܔT1.0mLN25mLkr{-N mS EQRa1minT Yn25min Nzz}v:NSk \ g:gv_eQzzl-YNpkp0q cNhVKm[agNKm[0 Km[agNlCu324.7nm op5uAm3.0mA ,IQ1&^[ 0.2nmqphVؚ^6mmzzlAmϑNYNpAmϑKNk5:1.20 hQP:N0.4g.mL-1 RSD :N1.07%. laNy 1 S_pHy 1989.12 2 ߏ!X._ϑCQ }NNSOeP^. SNSf[]NQHr>y 1887.3 3 -NNSNlVTVkSuoxQYXTO. -NNSNlVTVoxQN0N0 N . SNSf[]NQHr>y 2005 4 u_q\,UOs^,NgNeI{._ϑCQ }N_@{uu.T\n:ў_lybQHr>y,1995.50 5 UONSq,8l~.RgՋ[,2001,20(1):101 6 R.RgNhV,2001,(3):3 7 UONSq,8l~.RgՋ[,2001,20(1):101 8 Q\i_.tSh-Sf[RQ 2005 41210 9 ROf,1g_V,Q~.IQ1f[NIQ1Rg,2004,24(3):360 10 NiOy _NSpg 4T=Nga.tSh-Sf[RQ 200 375 209 11 _n We? Ngga.tSh-Sf[RQ 2003 394 217 12 WSf,sc,yeNSI{.tSh Sf[RQ,1997,33(9):417 13 s Y.u}Tyf[-Nv_ϑCQ }RgNpencKbQ.SN:-NVϑQHr>y,1998.80 14 Ng[!j,O~-N.SP[8T6eSSP[gIQIQ1Rg.SN:yf[QHr>y,2000.320~322326334353~355390 15 l%f*t,ߏ!X,ef_.IQ1f[NIQ1Rg,1996,16(5):92 16 \Swm[,Y[f,z~+o.IQ1f[NIQ1Rg.1999,19(5):726 17 Ngss,[`{.SP[8T6eRg^(uKbQ.SN:SNyf[b/gQHr>y,1990.251 18 ec.SP[8T6eIQ1l(WkSuh-Nv^(u.SN:SN'Yf[QHr>y,1991.208 19 USs %Ne NgO.Sf[Rgϑ 2004 132 49 20 ls.-NVkSuhBg_ 2003 136 729 21 ^ 9N.h;Sf[Ye 2003 104 42 22 hg ^R Rs^._ϑCQ }N_ϑxvz 2004 213 43 23]Vf,]U,R .wXpSP[8T6elvczʑKm[?\-Nݔ.: _g;N._ϑCQ }xvzۏU\(,{N).SN:NVf[/gQHr>y,1997.117 24 Trentini PL, Ascanelli M, Zanforlini B, et al. J .Anal. Atom.Spectrom., 1993,8(6):905 25NeQ,gKN,0NO`,I{.^N_ϑCQ }yf[,1997,4(11):44 26 fkofy,u^f.-NVkSuhBg_,2003,13(6) 27 9N,Y^l,uwm.tSh Sf[RQ,2001,37(8):372 28 jlfy,1997.1 42 bSۏ 3ufN. -NV-NoOo`Bg_ 1995 210 10 43 ё[o.-NVߘTN%{Q,2001,(5):21 44 Y[Ile. SP[8T6eIQ1Rgb/g. SN-NVyf[b/gQHr>y 1992.1 45 hTg1r flpg dl`i. 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