literature review

M. !, El-sh.lEt .t al. (3r) have cponed, tl. spcct ophotonetric detelmination of silver
ed gold 6 @mpl.x6 with 5-(2,4nihydMy bazylidene) rhoddine in hic.lld media of cetyl
dm.htrl mnonium bromid. The hole aberptivitia we mLd of 7 I I x l0' ad 8 45 x l0'
nol r cnr at 54? &d 553 nh for Ag ud Au resp.ctiv.ly. I€ Beeis law w ob.ycd i. in
lmge of O ll - I 8l |l8 @ r of Ag 6d O ol - 2 24 ug cmi of gold wirh O.O0l5 dd 0.OO2l pg
Tohru et 6.1. (40) har reponed the q.rracrion of bydropnilic pror.ins by rhc u* of
surfacta.t-nedialed phase s.psado. (cloud poi oaracrioi) wnh afrnity lieands
Cadnium $ @nplex of z-pyridine diDo.nino@b.%.€ in fi. prcsmcc of Tnlo. X-
I00.sa niell& ncdi4 is dd.mincd aod r€poned by yu-oi dat.(4r) Tt hol& absorptivity
B I 92 t lo'nol_t cm ' at 530 m Th. m.rhod ws appti.d ro rap Bdq dd also wasrMt r
HlLc der@in.,tion of mal.rhion b.*d on @ppe{lD 6 ohptdes wirh
dimahyldithiophosphat. @DI?) by Knuhav&.r d (,12). Tbecatibndontug€of24-240!g
ml I for DDTP ed wnh derccdon tinir of 2.4 - 4.8 ng DDTP p.r i.jecrion
B.tiil et !t. (43) have lepo,l€d the sp{rophotomelnc
conplexes of melhylene blue in miceur nedia of CTAB Lin@
r.por.err to be 0.6 -
6 4 micro nold / L.
detdhidarioi oa Se(tv) s
Mge of detetuinarion was
Khuhawr d at (44) hav. rcpon.d rhe lorDarion and ch.oma.ogaphic dq.ftinarion of
copp.4l) pallidilhG) dd bismurh(rtr) B compt*€s ofdinelhytdirhiophosphatc (DDI") rn.
indirftt HPLC wirh licrosorb Si, *ith derdion ar ]25 nm Tte tiD€r @g. i! 2a _ r 20 uc / 2 nl
wah dd.clion limit of2 3 Ag/2 mt.
Spdrcphoonctric dermin.rion oa coppd(U) 6 onpl.x6 wilh polr{a ytein.-Co-
(8-dinoqu'nolyltzo) bdytidqe altyreincl (?A_F pe) by llui_Mjn M. .t al. (rsl
C( )-PA-FPQ is warr etubtc breM condd haviry absrpdon ndimuh r. 590 m
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