literature review

Cbapter-3
LITERATURE REVIEW
Sw.ral spdropnobm.lric mdlDd. for $e det€rdddon bicsignifiqnt tr@ nelals in
Eter dd othr mafix* 4. t.pon.d into 1h. lite.fitre Mon of thse involvc fic Ds of a
sunabl. o!8!nic ligand bound wirh the d.ral ion of i.t.r6t ed tbq sP.crophoton.tric
d.tminadon. Son€ of th.se inponat publistioN .clcvaht to lhe Present @.k da
$'msi4d herc ir dis Cha!t.r.
HV. Meet et al (l) have rcpon€d ! speci.ophoton.ltic deremination oab€rvlliun as
conplex.s wnh sulfoslicycylde Tie absoQtion nuiftun was ll7 m. Th. proedure wa
d6ig..d to .c@modac thc mge ofo.oolt to 0 23 % berylliun in aluninuh ltlcif€M@ by
fi€ aluni.um. $lfoelicycylar€ @nplq B eliminar€d by @nplsing rh. bllt oaaluninum
vith ,Vrv,jY,{,1dEki}Garboxyndhyl}€thylen€dhnin€. Coppr dd'non, panioldly rhe
latter, dust not be prent in more tbm kac. Mounrs The int.rf.rmces ofilon wB eliminaled
by eMion wnh (2, hh 2- chloroelhyl) eln.r.
Anorhcr n thod has b.en reponed by C. L. Luk d al (2) fo! spccrophoromerric
der€mination of bqrllium as conpl€x wnh ahylenedieind.tE4€tic acid in 2oZ berylliun-
copp€. rlloys Thioglyoli. w$ used to supp.Gs rhe iderf.r€rce of@ppd dd iror Aluoinun
intdfcr€d but, beNe most of rne omd.rcial bsylliunaoppd alloys contain o.ry snrll
anounts of this D€tali it was possible in sne inst.nces 10 ignor. tbe interfelenc. For accurat.
work how.v.r, a no.. sp.cific m.tnod wa r..d.d.
Alb.n e1 al. (3) h.ve .epon€d thc aFctopnotomdric d€tminadon of nick.l a
complex.s witb erny'enediminetetr&c.1ic @id (equ*trcb.) Tte nickel was seldiv.ly
ompl€x.d. Exe$ nickel w6 renoved *i$ din€thylglyoxid. dd the scqu.stered njck.l is
Iib.Et€