literature review

tbe simultanmus det.minalion ofzirconiun and cl[oiiun Thc nctlod has ben scc'stullv
aDrlied ro ln€ demimtio. of somc rcal emples of znco.ium / chrcmium brode
Ndnder el al. (90) r.Don.d specibpholodciric detmin.tion of coppe(tr) 6Ft dd
se@nd derivarive speciosaPy s @mplcxca Pith r'(2'Pvtidvte!2 naphrhol (rAN) The
nolu absorption coefficient ard Slndell's sennivilv ofPAN-Cu (U) @mplqes at 555 m is
5 2. \ '0" mol 'cmr and I 22 ng cmi r.sp.ctidv Th. ddcdion hnr oicdu' r 4 o ng nJ
Md Bee' s ,* q!' obey.d ih the tug. ofo.os _ aoo lrgmlr Copp.r @nr.nt ofr number of
@m€rcially aEilable al@holic b.v@g6, biologicaland $eddd allov sampl6 was repoded
Sp.chphoiometnc dd.rminsrion ofbcrylliun s comPl.xes vith 1, 4 dihvdrorv-9 lG
d u()s.done in mrells m.dia ofTnton X'loO thtougn the denv.riv' spdrophorcmerP n
reDorle{tbyHrlnsjanetat(tr)TheBqtlawwsob.v.dinraD8.of3.60-360nsm'the
mold aleo'ivirv ud Srd.ll'i s.Niliviry w.E I 6s IOa molr cmr and o 54 ng cm: Grh
deredion linir o 2l ng ml l
A ndhod hd ber d.vcloDcd bY M. 1.6 d at (92) dcrmitation of non ad
'or
rurhdiun by en tdiv. sent dcriEtive sp.ctophotometry s @npld's vith 4 T dipn'nvl I
I O oh@thrcline in rh. presnc. of.rhyl.n.glv@L Tn * conPl.x6 hw€ ben fomed al pII 4 0
- 6 o npon hainA 4 9dC fo.60 min Rlthdirm and iron w* dd€min'd in lhe atg6 6 - 9 6
dd 16 - i 2so ng Bl retpe.riv.ly h lhe pr.eoc. ofo.G doth.r' ft' ddeion [mns w food
io be 2.9 .g /ml of rulncniun a.d 4.9 .g /d of non Th. m.rhod was applied to fi'
demination of bolh s.lytes in syntbalic m'nuE
cobali ws d.t.min.d spcrroPhomerncauv bv Ht Bhajan 't al (93) wirh l-tnrosez_
naphlhol ws used .s .onpl.xinS lg.nt in nic.lld r.di' of Tnro' X 100 ?hobmefic
Ddan t€s viz. rhd! nold absarion @.ffic.nt &d daltlical s'dilivitv ofrhe conpld's
wde420 m. I 18 x 101nof' cn' 6d 2.Ot ng ml-' csp.ctiv€lv Th.Ber'3 lawwa obeved in
lh.6ge ofo2o ro lo,rghl' .! pH 18, wtn d.t.d'on limn lb3 ng nn A sdd'E
dd.mination of cobdlt in pr.s.nce of copp.(lD or ircn(Itr) usins dri€liv€ sp€c1rcscopv
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