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PRIICEEIIIHG$ l|FTHErNd ilRTIlIHAt CIII{IERE}IC OHEI,TSTRIISHEMI$TRY AilIIIAPPTICATIIII-I NHAN Drp50NAwTHANU rApKHoAHoAHoc TRUoNG DArHec KHoAHec ry NHrrN- DHec un NOt(1e56- 2006) MUCLVC (coNTENTS) l I TrAnTrung.VAT LIEUTIENTIEN- SIENCVC:TO HOPDIENCUCNANOVA DIENCUC ENSEMBLES x6p cAu TRUCEA LoP / ADVANCEDMATERIALSFORNANOELECTRODE AND MULTILAYEREDPOROUSELECTRODES L6 eu6c Hr)ng,Vii.Thi Thu Hl, Pham Hdng Phongvd LO Thi Vinh Hqnh M0 PHONGSO TRONGNGHIEN CI-IUDIPN HOA 12 Nguy6nDric Hirng,J\guy6nXudn,Thulng xAC DINH THOI GIAN THAM LIOT TOW (TIME OF CUA CAC VLNG KHI HAU VIET NAM WETNESS) 2l Dirc Hirng ANH UUONGCUA 29 L€ euangTudn, phlm Thi Thu.,Nguy6nXu6,n1!p9t f-tll6n rgi euyeN N$NG THdN, erEN vA D0 THI vrET NAM DEN AN MoN THEP cr3 / EFFECT OF RURAL.MARINE AND URBAN ATMOSPHERICIN VIET NAM ON CORROSIONOF CT3 STEEL Ninh Dfc Hi, Nguy6nHiru^Doan.KHAO SAT KHA NANG BAO VP KIM LOAI_CUAHoP NcuyEN LrEu DE CH8 TAO TMIDAZOLINECHAT IJC CHE AN tvtON cH,qr a.rvrroTnpl-rN, KIM LOAI CHONGANH DAU KHI, 36 6, Ding Nhu T4i, Nguy6nDinh ThAnh,Ph4mDuy Nam,Holng ThanhDr?c.GOPPHA]{ NGHdN 42 DAYs-AMINo-2crliriNu cHAf fc cne AN MoNKIMLoAl cuA MQr so AZoMETIN PHENYLTNDOL ph4m v5n Nhieu,V[ phuong Lion ToNc HqP vA NGHI€].{CLiU MOI TUoNG QLIAI.{GIIIA CAU TRUC pHAN TU VOI rsa NANc IJC CHE AN naou KIM LO4,I CUA MQ1 SO HqP ON SYNTHESISAND THE IiELATION CHATAXETOPHENON_ AROYL HIDRAZON/ STTJDY CORROSION TNHIBITION OF SOME BETWEEN MOLECULAR STRUCTURE AND - AROYL HYDRAZONE ACETOPHENONE 49 L€ Ts Hni NCHTEN cLtJ ToNG HOp MANc pot.ypyRot TREN NEN THEP cr3 BANG PHUdNG PHAP oXI HoA DIEN HoA PYRoL VA KHA NANG CHONG AN UON KIM LOAI CUA MANG POLYPYROL/ STUDY ON THE SYNTHESISOF POLYPYRROLEFILM ON CT3 STEELBY ELECTROCHEMICALOXIDATION OF PYRROLEAND THE PROTECTIONOF FILM METAL AGAINSTCORROSIONOF POLYPYRROLE 56 MaiXuanqdnq.rygHlElJ^g-Y!.vll nqPlT! 63 chu rhanhP.hong, rhi HoAiPhucng, e Nguy6n ETYL NHUA KIEN TRONGTHANH PHAN CHAT TAO MANG CUA VECNI BAO Vts BE M4'T THE ROLEOF SHELLACETHYLESTE Vo oNG LIEU DAN BANG LATONG/ RESEARCHING IN BASE-SUBSTANCECOMPOSITION OF VARNISH TH,AT PROTECT FOR BRASS FACE CARTRIDGE'S 10 V[ Minh Thinh, Mai XuAn Ddng, Trlnh XuAn S6n.NGHIENCUU MQT SO.YgL] TO ANH 69 HUONGopN ob BENANor cta iHsp cr3 rRoNc MOI TRUONGKIEM CHUAIoN CLORUA i INVESTIGATING THE INFLUENCE OF SOME FACTORS ON THE ANODIC STABILITYOF CT3 STEELIN ALKALINE SOLUTIONCONTAININGCHLORIDEIONS, 11 Trinh Cuorrg,LAm Nggc Thidm,Trinh Xu6n S6n,PhanThi Binh QUAN FIEGIUA CAU TRUC VA KHA NANc UC Cm AN UON CUA MQT So B-AMINOXETON/ QUANITATIVE INHIBITION PROPERTIESRELATION-SHIPS OF SOME P STRUCTURE-CORROSION AMINOKETONES 75 ruvtn rAPcAc coxc rRixn rcro.l noc HOrNcrrl roAx eu6c o4n n6a vA (rxc nqxc llAn nr1r zyr yzooe PNOCEEDINGSSECONDNATIONAL CONFERENCEON ELECTNOCHEMISTRY AND APPI.ICATIONS r6xc HqPvA,xcHrpx ctruu6r ruollc euANcnla cAurnuc puANrtr ' vor xsA xAwcuc cHEAlrvrbNKrMLoArDoNG cuA Mgr so Hgr cHAr AxETopHENoN - ARoyL HTERAZoN STUDY ON SYNTHESISAND THE RELATION BETWEENMOLECULAR STRUCTUREAND CORROSIONINHIBITION OF SOME ACETOPHENONE- AROYL HYDRAZONE Phgm VIn Nhi€u, Vii phucng Li6n Khoa H6a hqc - Trudng Dqi hocKhaa hoc Ttt nhi€n - DHeGnN SUMMARY Some hydrazonesfrom hydrazidesof substitutedbtenzoicacids with 2, s dihidroxyacetophenones havebeenpreparedby thecondensation ofhydrazidesofsubstituted benzoic acidswith 2, dihldroxyacetophenones Thestructureof theseproductshavebeZndetermined by IR, 'H-NMRandMS specnoscopiis Some acetophenone- aroyl Hydrazone compoundshave been studied by the inhibition of copper corcosion in 3N nitric acid solution The structure of some acetophenone- aroyl iydriron" compoundswere optimized and calculated by using the ZINDO/I method of the quantumchemical program HyperChem7.0, Resultsof the above calculation is coordinatedwith inhibition eficiency (P) that is derterminedby experimentationand both are apptiei to Statgraphicsoftware to carry out linear regression I MO DAU An mdnkim loaili strph6hu! kim lo4ivAhqpkim dot6cd6ngli h6acta m6itru&ng.I{guquAcirasg [n mdnkim lo4i ld lim thayd6i tinh ch6t,suygi6mnhirluchircndngcirakim lo4ivi hqpkim,ddn.t6i giim tu6ithg criac6cthi6tb!, c6ngtrinh;gdynhidutdnth6tchoh0sinhth6ivd n€nkinht6 qudcd6n c0ab6th qudcgiando.Su[n mdnkh6ngbaogid ngimg,nhungphsmvi vi mrtcd0c6 thiigiAmdusc nhd c6cbipnph6pch6ng6n mdn.Trongs6 c6cphuongph6pbAovg, ch6ngdn mdn kim loai thi phuongph6psri dungch6tric chii da,rrg dugcringdgngmQtc6chrQngrdi viQcsti dungthu6nlgi vd dEdanghonso v6i c6cphuong.ph6p kh6c.V6ndddit ld:phditim dugcch6trlc chiS anmdnc6hi€u qui nh6tchotrmglo4i vflt lipu vi trongtimg mdi truongcUrhe.[4J Trongdoi s6ngvi ki thuflt,Cu vi hqp kim criaCu dugcsridgngtrongcr{chQth6ngnhi6t,c6c bQph{nngungtp hoi nudc C6chQthtingndythuongbi baophnbdi c6clop pacbonat vd oxit.Tr6n thyc t6, nguoita thuongdirngc6cdungdich axit HNOrhoacHCI ae tarnsachc6cb€matndy.Nhung trongmdi trudngaxit haynudctg nhi€n(c6 FICO3-, COz,Oz),Cu vd hqpkim criaCu dEbi hoatan tfrdnhCu2*.MQttrongs6 c6chu6ngCenric phgcsg dn mdnCu trongc6cm6i trudngd6 ld sri dr,rng c,h6tric chri.Cacch6tric ch6anmdnthudngduocsu dpn, la cfucchdthftuco c6 chriacdcnguy€nt5 O, Ciicc6ngtrinhnghiOn cftugAndey[1-3]chothdyc6chgpch6taxetophenon aroylhydrazon c6 ning tc ch66n mdnkim loai Cu trongmOitrudngaxit HNOr 3N Chtng t6i damri rQngvd ph6t tri6nphuonghudngnghi€ncriundyvd dd c6 mQtsii c6ngbd [-3] Trongbii b6ondychtngt6i tiiip (rc th6ngb6osUt6nghqpvi kh6ning ric ch6anmdncta cilchidrazon tuongtg, clitir cfc hqp chdt?, dihidroxiaxetophenonv6i hidrazit cria c6c axit benzoic th6 -49- rr.Trr{c NGHTFM ve,xtr euA f T6ng hgp mQts6 tgp cnAt2,5 tlihiilroxiaxetophenonbenzylhydrazon [ll 'Iheo ss dd sau: -""-E-(> +Hov iH, fr-:;l-""-8@ OH A-g:o OH * HzN- OH OH (rr-rf) (IIrt ro) (l l-16:R: o, m, p -NOzio-OH;m-CHr;o-NH) Hgp phdn g) duqctdnghqp bdngc6chesteh6ahidroquinon,saud6 chuy6nvi F'riesvdiAlClr khan lim xrict6c I l] ococHs OH a\ H'so;* \-.ll I Cdc hqp phdn (hu6) \./ ococH3 OH ?" Arch> (-tr_c;o +(cH3co)2 CHr I OH dugctdng hqp tu axit benzoicc6 nh6m thi50 vi tri ortho, metavi para th6ng quaestetrung gian, rOitii6ptgc ngtmgtg estevdi hydrazinhydrat 35% [3] cooH A \)r coocH3 + CHsOH p H2SOa 66 , (A- *Nz[I+.HzOs5%o - cH3oH K& qudft) nhinelugctt€uth6yxu6thienc6cvnchd{c tnmgcho Tr€nph6hilngngo4icuacic hidrazon cm'l.crianh6mNH amit virng 3248-3260 dao dQngh6atri cta nh6mOH phenolOvirng 3223-3339 cm-r,cliaC=N d vtng l6l0-1625 cm-r,crianh6mCO amit virng l6l0-1650 cm-r,cta nh6mNO2d cm't cm-r,vi cta nh6mCHr d ving 1532-1530 cm-rvi 1348-1387 virng 1524-1541 Tr€nph6 IH-NMRthAyxu6thiQncrictfn hiQutmg v6i chuy6ndich h6a hec ctracfc proton vi 10,742'11'573ppm; 6ss:2,377- 2,501 phdntu: 6wH:8,841-8,914ppm; 6es: 12,450-12,669 -8,737 ppm ppm; cdncic protonthornc6 chuy6ndich h6ahgcd 6,613 TrOnph6 khdi luqng ctra c6c hidrazonth6y xu6t hiQnpic ion phdntu c6 sOkh6i ptrt hqrpv6i ph6ntri ttrOi va c6c pic kh6c c6 sOtctrOiphn hqp v6i c6c ion mdnhtrong so tt6 phin mdnh Nhu vfy, cdc dfr kipn ph6 h6ng ngo4i,ph6 cQnghuong tu proton ph6 khSi luqng tll chimg chfngtdi tOnghqpdugcld tfiing benzylhydrazon.md minhcic hqpch6t2, dihidroxiaxetophenon Khf,o sit cdu trrricphf,n trl cria mQtsii hqp chdt axetophenonbenzyl hyclrazon St dgng phAnm€m HyperChem7.0 [0] aCnrao s6t c6u trric phdntri cria c6c hgrpchAtaxetophenon aroyl hydrazonbing phuongph6pb6n kinh nghiQm.Cdn cu vio c6u truc ctrac6c hgp chdt nghiOncriu -50- chringt6i de tinh to6n c6c th6ng si5luqng tu bing phuongph6pZINDO/I cho mQtsd phdntir axetophenon benzylhydrazon C6cphdntu mdchringt6i tii5nhdnhnghi€noriubaogdm: OH OH A":*-rn-c-A v t", A-.:*-rw-c ,2\ \A- v &,, b uL- ,4.:*-*'-S-A \-J-* VI t", cHr R=or mJp_NO2; o_OFI;o_NHz (r) (z) (r) (s) (4) OH R=o- m- p_NO2 i o_OH;m_CH, (6) (?) (8) (e) (l0 R= o- m- p_NO2; m_Ct!; o_NH, o OH; (s) (t (e) 0D (z) (:) c i l cth a msti l u g n g tu th u d uo.ctutinhtor 4nduo.ctr inhbdytr €nc6cb6ng l,?,3 s oti eu Bdng L Cdc gid tri ndng luqng, nhiet hinh thdnh,momenludng cyc cia cdcphdn t* Phdntu I 2949s.s9 29356.34 J 29356.84 08879.29 Etot"l I l0 12364.69 34455.60 34316.30 343t6.78 17324.58 ll 40r62.44 40022.83 40023.E2 17324.04 23031.91 t9546.33 11616.76 t2 l3 t4 l5 l6 Es 463.38 324.t3 324.63 -675651.56 -647298.29 -644626.51 -7506.22 -7506.72 185.04 -565776.92 -7382.04 -567240.31 -724995.07 -695062.09 -6920t0.78 -613583.30 -600030.39 -731822.83 -701387.11 -7217.54 8.210 -8194.99 9.069 -8055.68 -8056 l7 -7766.94 -8178.33 -7782.60 -7643.00 9.000 -698765.04 -7643.99 10.1 10.593 4.661 -606799.98 -620326.03 -618942.53 -7766.40 -7355.04 -7519.37 8.427 10.099 6.934 0915.00 2288.00 2r48.69 2149.t7 739.48 2366.41 664.07 520.47 52r.46 738.94 t12.06 38t.92 E AH -7645.47 p 9.483 9.431 4.745 5.353 4.459 7.766 6.r 90 E61o6Ndng tuqng iling hqp c,ia phdn t* ftcal/mol); Ea: Ndng lrqng liAn kit (kcat/mol); E,: Ndng lugng electronftcaUmol); AH: Nhi€t hinh thdnh(kcal/mol);p: Momenludng cyc (D) Trongd6: c,iu tril truc ine MAt MOts6 sd thams6 cdu Phanfi" Elwo Euouo 4.269 -3.119 4.306 -6.402 3.805 5.527 -6.422 -6.083 5.667 4.289 4.320 3.820 5.689 5.686 4.190 4.293 3.750 -5.946 -3.695 -6.246 -6.269 I ) t l0 il t2 -5.818 -5.869 -3.794 l4 l5 5.547 5.559 -6.307 -6.335 -5.950 -5.903 t6 5.404 -6.067 t3 - 1- s(.{f v(Af 405.801 445.381 448.344 374.803 8l 1.998 394.409 447.870 783.752 863.966 487.1r4 490.r21 436.t67 477.311 875.350 874.79r 836.1l8 869.255 834.552 423.524 462.830 465.892 452.950 4l L910 392.325 824.207 823.574 788.552 846.692 845.746 838.921 80s.833 8l1.081 Trongil6: Eruuo:Ndngluqng obitanphdn tu chua bi chidn thiip nhdt Eaouo:Ndng fuqng obitan phdn nhbi chiiim cao nhdt S: Di€n tlch bAmft cia phdn ti, (A)t; v: Thti tlch ph6n t* (A)t MAt aQ iI| dien tieh ffAn cdc Phdntu I -0.t27 -0.397 -0.397 -0.456 ,0.400 -0.127 -0.398 J l0 il t2 l3 l4 l5 a, iZJ N(: -0.129 'Nd: I -0.t37 -0.122 -0.t23 -0.122 -0.155 -0.154 -0.148 -ol14 -0.163 -0.t29 -0.154 -0.137 -0.398 -0.1s3 -0.t21 -0.122 -0.400 -0.410 -0.128 -0.394 -0.163 -0.1l4 - 0.r 58 -0.t29 -0.116 -0.132 -0.1l4 -0.154 -0.153 -0.157 -0.163 -0.148 -0.397 -0.409 -0.400 -0.456 t6 hT Z ^," ,^,-*r Z m.tt>et -0.1l8 - 1II -0.109 -0.1.17 ZNc(N{), ZNn(n-n):Li mflttlQtliQntfchtr6ncic nguy6ntfr O vi N d cdcvi tri tuong(rng Trongtl6: Ze61s,cy, Khio sdt khe nlng rfrcch6 nn mdn Cu mdi trubng HNOr 3N cta mQt s5 hgp chit axetophenonbenzylhydrazon X6c dlnh khAntrngric chti qu6 trinh in mdn Cu m6i trudmgaxit HNO3 3N kh6ng c6 mit vi c6 m{t c6chqp chdt axeto phenonbenzyl hydrazonv6i ndng dO l0rM bing phuong phdp dipn h6a, sri v6i hQttiQnh6a g6m diQncgc: dpng phdptlo tluong cong phen cgc bing thiiit bi PotentioGalvanostat DiQncucsosdnh(RE)- tli0ncUcbac;di9ncscphu- platin(ft) va diQncuclim viOc(WE)- diQncyc tliing c6 di€ntich S = 0,07cm2 Phdncgc anot, catot, x6y dpg aOtni (8, i) vd (E, lgi) Ngo4i suy theo phuongph6pngo4i suy Tafel Tinh tdc dQ[n mdn theo mflt
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