literature review

IBhad .t d. (69) h.w rcponed rhe spdtophotnEtnc d.tcmindion oftw @npldd of
I, i-diph€nyl py@ole-4"cebox.ld.hyde2-chlorob€Myl hydr@e wilh Ie (trD, Co (Ir), N
@) cu (!), zn (II) cd (tr), rig (ID, sn (II), Bi otr) &d !b (tr). Iob\ n thod stlbility @nste!
IR dd sroichioh.rry ofrh. conplqB hwe b6n nudiad
c.u. H. .l al. i?o) repon.d th. AAs derd$jn.tion olcoppd, nick.l and cadniuh with
zinc pip.rein€dilhio@rbanat€ loaded on acdvlted cdbon by $lid-pn6e .xlracrion Tbe rang€
oflinciry o -6, o - 5, o - I ug nn r wnn dde.rion linib 15.7.21.5. I1.8 ng nl-'Bpcaivcly
Nohut .t rl. (71) h.ve r.porr.d rn sperophorom€tric d€rmiiaiion of copp€rc) $
conplexes wnh Ss,bis (2.aninophenyl) o$hte (H2L) fte absibao@ or the cu@FH2L
Complexes maur€d d 504 on'. with mol& absorptivily (e = 5365) IE BF s l.w wa obcyed
inrh€ranSeof 0.4 - l50pgnl'
Afseh er al. (?2) hare r.poned rhc spe.rrcnuo.iEelric dereminarion of s.hnium (19
by ilow injeciion Mlysis in dicell& m€dia ofSDS / Tnton X-100/ CTAB wirh reduclion of
reetulln llc lin.d ane. ws obr.in.d in rh. ras. of5 - rOOO rg r '
wirh d€lc.rion limit tng
speciropholmerric der€mi.ation of ircn0D @baltol), niclct(tD aid copp'oI) ii
mi€llr m.dia oaTw 30 6 @hpl*4 wnh l-rirrcs2-@plhot ..pon.d by rin!@k a at
(73) Th. dere.rion riftits ofFe (rrD, co([), Ni([) dd cuG) we 0024, o 016, 0.039 dd
0 021 lgnl ', rsp.sjvcly
R Codony er al (7r) hwe rcponed th. spetrophoroocric delmination orzn(U) in
flicell& media ofBriil5 a @npldca with t, ? dicholorG2@rhyl l-quinotinol.
Mustda et al (?a) have repon d d. spGrrcphotondic d.r@in.ior of s.@iuo (m)
in nicells m.dia of cer/ pyndiniun chlo.idc (cro B complex€s with chrcne @rol s The
ndd.bepriviri.s of rh. complcx.s in pI] 7.5 d 505 m @ 3.6 x lO' md I 4 x t Or nol r
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