267page

^117tr +l=+rl r -sf= 255 ol *"Julgtr +E}t ezlolq. +4g at+ H2o2+ ^I+6IH+. ol Ei+g EIq=J+ B?9=. Elols4lB"l4-LE 6Iq, tt6}r ,J+ -uzlzl qlql dEtqq rISaI-z 9l o q, U-zlzllE= +s ?5o1t} +irJol ol+€r}. (b)= Pb-30sb-30SndJ7(HI q B *) =zl o -g Et+€ 3 pu-sn-Sb(white metal) ol 4. i=;144 =4 o-a iZfl 'J+gtr- aeE -E-U P?CE.I Pb+p+d ,-Iql +4t =z] ol4. +4g at+ H2o2g ^I+619tr1. ol Et+g EIqBslolE.olBg +f-6J "tl €49 elHJ6ITl 9l6}q *r+Zlg 7Ib6IE ts?-l F+^l7lE Et p44E "l,qlsle+ AEzl t+-J4. tr+ul^l +=gE= al^Jd olt aql s0"c7| 4B6Iq, u+= tsz+g 6llo} 6J+. :.aJ 10-105 Pb-Sn-Sb a4 fil 7 tr +l=+zl-l of E 1. +l=+el E8 fl"+g Au(7), Ag(3), Pt(E+)+ Fol 919q, E++ql= E). Pd(+48), os(9.ts), Ir(ol 4E) ol 914. 7l-+C4 .ll rlC ol TIg6IqE ts|6}zl 9+9q, .a7}oltrl. *E= ^J4+, 714* zllE, (_s ro-ro)g ?"+E 544 Cdg +4U 4014. 71. Au Ru(Frllts), Rh(tr +.a, *71 +ql^-l +B+ql ^I*€trI.
267page

제 7 절 귀금속과 그 합금
267page

1. 귀금속의 특징
267page

1. 귀금속의 특징
267page

1. 귀금속의 특징
267page

제 7 절 귀금속과 그 합금