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J. Indian Chem. Soc.,
Vol. 90, March 2013, pp. 271-277
Comparative study of copper precursors for synthesis of CuO
nanoparticles by ultrasonic-assisted thermal decomposition method

Ahmad Rahnamaa,b, Mehrnaz G harag ozl oua* and Amir Reza Gard esh zadeha
a Department of Nanotechnology and Nanomaterials, Institute for Color Science and Techn ol ogy, P.O. Box 16765 -654, Tehran, Ir an E-mail : gharagozlou@icr c.ac.ir Fax : 98-21-22947537 b Azad University, Shahr-e-Rey Branch, Tehran, Iran M anuscript recei ved online 07 M arch 2012, revised 30 April 2012, accepted 02 M ay 2012 A bs t ra ct : I n t hi s wo r k, CuO na no p a rtic le s we re s y nt he s i ze d by an ult ra s o ni c as s is t e d t he rm al
de c o mp o s it io n me t ho d us i ng di ffe re nt c o ppe r pre c u rs o rs i nc l ud i ng c op pe r ac e ta te ( Cu- A) , c oppe r
nit rat e ( C u- N) a nd c o ppe r c hl o ri de ( Cu- C) . T he s a mp le s ynt he s i ze d by c o ppe r ac e t ate ( Cu- A) wa s
c o ns is te d of fi ne r a nd mo re uni f o rm p a rtic le s t ha n c oppe r nit ra te ( Cu- N ) whic h re s ulte d i n a wi de r
ba nd g a p. O n t he ot he r ha nd, c op pe r c hl ori de as a p re c u r s or re s ul te d i n a pl ate - l i ke mo rpho l og y. I n
c o mp a ris o n wit h t he b ul k CuO , t he C u- A s a mp le s ho we d a l a rge r b a nd g a p whic h was att ri bute d t o
i ts p art i c le s i ze . I t was c o nc l ude d t ha t di f fe re nt c op pe r p re c u rs ors ha ve s i g ni f ic a nt e f f e ct s on t he
pa rt ic l e s i ze , m orp ho l og y as we ll as t he b a nd g a p of t he f i nal p owde r.
K e y wo rds : Cop pe r ox i de , na no pa rtic l e s , ult ra s o nic - as s is te d me t ho d, t he r ma l de c o mp os i ti o n, b a nd ga p.

J. Indian Chem. Soc.,
Vol. 90, March 2013, pp. 279-284
Construction of a new Pr3+-PVC membrane sensor based on 2,3,4,5-tetra-
(4-pyridiyl)-thiophene

Somayeh Hari mia, Has s an Ali Zamanib*, Azadeh T adj arodic and Keyvan Bijan zadc
a Young Researchers Club, Quchan Branch, Islamic Azad University, Quchan, Iran b Department of Applied Chemistry, Mashhad Branch, Islamic Azad University, Mashhad, Iran c Department of Chemistry, Iran University of Science and Technology, Tehran, Iran M anuscript recei ved online 20 A pri l 2012, accepted 02 M ay 2012 A bs t ra ct : A n i o n s e le c ti ve el e c t rode P r3 +- P V C me mb ra ne s e ns o r c o nt ai ni ng 3 % 2, 3, 4 , 5-t e t ra- (4 -
py ri d i yl)- t hi op he ne (T P T) as a n io no pho re , 3 % s odi u m t e t ra p he ny l b ora te ( N a TP B) as a n a ni o nic
ad di ti ve , 64% nit ro be nze ne ( NB ) as s ol ve nt me di at o r a nd 3 0% poly( v i nyl c hl o ri de ) was c o ns t ruc te d.
T his e le c t ro de ha s a wi de l i ne ar dy na mic ra ng e f ro m 1 . 0 × 1 0 – 6 to 1 . 0 × 10– 2 M wi t h a Ne r ns ti a n s l o pe
of 2 0. 2 ± 0. 5 mV pe r de c a de a nd a l o w de te c t i o n l i mit of 5 .3 × 1 0– 7 M i n t he p H ra nge of 3 . 0 – 8. 4, whi le
t he re s p o ns e ti me wa s ra pi d ( ~5 s ). T he de ve l o pe d el e c t r ode s ho ws a g oo d s e le c ti vi ty f or P r3 + io ns
re s pe c t to a l arg e nu mbe r of a l kal i, al ka li ne e a rt h, t ra ns it i on a nd he a v y me ta l i ons . I t was e m plo ye d
as an i nd ic at o r e le c t ro d e i n t he p ote nti o me t ric ti t ra t io n of P r3 + i o ns wi t h E DT A. T his s e ns o r wa s a ls o
t o t he de t e r m i na ti on of fl uo ri de io n i n m o ut h wa s h p r e para t i ons a nd t he m oni t o ri ng of P r3 + i n
m ix t u res of t h re e diffe re nt i o ns .
K e y wo rds : P V C me m bra ne , s e ns o r, p ote nt io me t ry , i on-s e l e c ti ve e le c t ro de .

J. Indian Chem. Soc.,
Vol. 90, March 2013, pp. 285-294
Synthesis, reactions, physicochemical characterization and biological
studies of titanium(IV) Schiff base complexes

Raj Kumar Dubey*, Nali ni Dwi vedi and Avadhes h Prat ap Si ng h
Syntheti c In or ganic and Met al lo-or gani c Resear ch Laborat or y, Depart ment of Chemi str y, Uni ver sit y of Allahabad, Allahabad -211 002, Uttar Pradesh; E-mail : rajalkoxy@ yah oo.com M anuscript recei ved online 24 A pri l 2012, revised 01 May 2012, accepted 03 M ay 2012 A bs t ra ct : S o me ti t ani u m(I V) c om pl e xe s of t he t ype [ Ti ( Cl) 4 –n(L)n] (1 -2 ), [ whe re n = 1 o r 2 , L = Sc hif f
ba s e s ; s al i c yl i de ne -2 - me t hy-1 - a mi no be nze ne (L H ) ] ha ve be e n s y nt hes i ze d b y t he re ac t io ns o f
t it a ni um(I V) c hl o ri de wi t h s odi u m s al ts of Sc hiff bas e s i n 1 : 1 a nd 1 : 2 mol ar rat io (s ) i n M e O H- C6 H6

re s pe c ti ve l y. I nte ra c ti o n of c om pl e x ( 1) wi t h s od i um s al t s of s a lic yl i de ne -2 - a mi no py ri di ne [ Na(L )],
a nd te t ra is o p ro pox ya l umi na te i n e q ui mo l a r ra ti o p rod uc e s mix e d l ig and c o mp le x of t he ty pe ;
[ ( Cl) 2(L)Ti (L
)] (3 ) and bi met a l lic co mp lex [( Cl )2Ti ( L){ A l(OP ri )4} ] (4 ) respect i vel y. Reac t i o n of
c o mp le x ( 3) wit h s od i um i s opro p ox i de yi e l ds t he c om pl e x [(O P ri)2( L) Ti( L
)] ( 5) i n T HF- C6 H6 mix t u re.
T he s e c o mp le x e s have be e n c ha ra c te ris e d b y m el t i ng p oi nts , e le me nt al a na l ys is , a nd s pe c t ra l [I R,
NM R ( 1 H, 1 3 C), M S and P owd e r XRD ] s t ud ie s . T he rm og ra vi me t ri c anal ys is ( TG A) c urv e s ho ws m ult i -
s te p de c o mp os iti o n wi t h t he f o r ma ti o n of me t al ox i de re s i d ue . SEM ana l ys is pro v i de s t he mo rp ho l og y
of t he c o mp le x e s . Ant ib ac te ri a l ac ti vi ty s ho wi ng t ha t t he t it a ni um (I V) c om ple x e s we re f o u nd t o be
m o re po te nt t ha n Sc hi ff b as e s ag ai ns t s o me s e le c te d bac te ria l s t rai ns .
K e y wo rds : Sc hif f b as e s , tit ani u m(I V) c o mp le x e s , 1 H, 1 3 C N M R, M as s , T G A, SEM , anti bac te ri al ac t i vit y.

J. Indian Chem. Soc.,
Vol. 90, March 2013, pp. 295-300
Equilibrium of the dinuclear complex formation between organotin(IV) and
metal-Schiff base complexes in solution

Maryam Moha mmadi kis ha*, Zahra Seyed zadehb and Mozaff ar As adic
a Faculty of Chemistry, Kharazmi University, Tehran, Iran, E-mail : moh ammadikish@ yah oo.com Fax : 98-26-34551023 b Chemistry Department, Faculty of Sciences, Kermanshah Branch, Islamic Azad University, Ker manshah, Iran c Chemistry Department, College of Sciences, Shiraz University, Shiraz, Iran M anuscript recei ved online 19 January 2012, revised 24 M arch 2012, accepted 10 M ay 2012 A bs t ra ct : A U V- Vi s s pe c t ro pho t o me t ric s t ud y of t he ad d uc t f o rm at i o n of MI I (s al a b za) , M I I (5 -O M e-
s al ab za ), M I I ( 5-B r-s al ab za) a nd M I I (5 -NO 2- s al ab za ) ( wh e re M = Co, Cu a nd s a la b za - H2 = N, N
-
bis (s al ic yli de ne )-2 - a mi no be n zy l a mi ne ) as d ono r wi t h M e 2S nCl2, Ph2S nCl2, n
-B u2 SnCl2 a nd P h4S n a s
ac c e pt o r has be e n i nve s tig ate d i n DM F . F o rm at i o n co ns t a nts a nd G i b bs f re e e ne rg ie s we re me as ure d
f or 1 : 1 ad duc t at 2 5 ºC. T he dat a re f i ne me nt wa s c a r r ie d out wi t h t he SQ U AD 84 p rog ra m. T he
t re nd of fo r ma t io n c o ns t ant s of me ta l Sc hi ff bas e c o mpl e x wit h o rg anot i n(I V) c o mp o unds fo ll ows t he
[M (5 -O M e -s al a b za) ] > [M ( s al ab za ) ] > [ M (5- B r-s al a b za )] > [ M (5 -NO 2-s ala bza )]
Co > C u
M e 2SnC l2 > P h2 SnC l2 > n-Bu2 S nCl2 > Ph4S n
K e y wo rds : F o r ma ti o n c o ns ta nt , c o bal t, c op pe r, Sc hi f f b as e c o mple x , ti n add uct .

J. Indian Chem. Soc.,
Vol. 90, March 2013, pp. 301-307
Molecular and crystalline architectures of a luminous dinuclear
cadmium(II) dicyanamide compound containing a tetradentate Schiff base
as an end-capping ligand

Sumit ra Das, As his Kumar Maji, Kis hal ay Bhar, Subhasis h Kund u, Raj ars hi Ghosh and
Bari ndra Kumar Ghos h*

Depart ment of Chemistr y, The Uni versit y of Burdwan, Burdwan-713 104, West B en gal, India E-mail : barin_1@yah oo.co.uk Fax : 91-342 -2530452 M anuscript recei ved online 19 A pri l 2012, revised 11 May 2012, accepted 14 M ay 2012 A bs t ra ct : T he di n uc le a r c o mple x [ C d(L) ( µ1,5 -dca) ] 2(PF6)2.M eO H (1) [L = N, N -(bis( p y ri di ne-2 -
yl ) be n zy li de ne ) -1 , 3 -p rop a ne di a mi ne ; dc a = dic y ana mi de ] has be e n i s o la te d f oll o wi ng a n e arl ie r

p roc e dure a nd s t ruc t ure is de te rmi ne d b y X- ra y diff ra c t i o n me as ure me nt. St ruc t u ra l a nal ys i s s hows
t hat e ac h c a d mi u m(I I ) c e nt e r i n 1 is loc at e d i n a di s to rt e d oc t a he d ral e nvi ron me nt c o o rdi nate d b y t he
f ou r N a to ms of L a nd t wo nit ri l e N at o ms of bi b ri dge d
µ1,5- dca units. I ndivid ua l din ucle ar units of 1
a re a s s oc ia te d by π. . . π a nd C– H. . . π i nte ra ct i o ns re s ulti ng i n a 2 D s he e t s t ruct ure whic h is f u rt he r
s t re ng t he ne d by mul ti ple C– H. . . F a nd C– H . . . N hy d ro g e n bo nd s . 1 d is p l ay s hi g h-e ne rg y i nt ra l i g an d
1 (
π- π* ) fl uo re sc e nc e i n DM F sol ut i o n at ro om te mp e rat ure .
K e y wo rds : Di nuc le a r c admi um (I I ), Sc hi f f b as e, dic y a na mi de b ri dg e , X- ra y s t r uc t ure , fl uo re s c e nc e .

J. Indian Chem. Soc.,
Vol. 90, March 2013, pp. 309-317
Kinetic spectrophotometric determination of escitalopram oxalate in bulk
and pharmaceutical formations using alkaline potassium permanganate

Sal ma A. Al-Tami mi*, F at ma A. Aly and Ohoud M. Al-Otaibi
Depart ment of Chemistr y, C ollege of Scien ce, Women St udent -M edical Studies and Sci en ce Sections, King Saud Uni ver sit y, P.O. Box 22452, Ri yadh 11495, Saudi Arabi a M anuscript recei ved online 29 A pri l 2012, revised 14 May 2012, accepted 15 M ay 2012 A bs t ra ct : S i m pl e a nd s e ns it i ve ki net ic s pe c t ro pho t o me t ric m e t ho d s we re e s t abl is he d f o r t he
de te r mi na ti o n of e s c it al op ra m ox al a te i n b ul k a nd i n its p ha rm ac e ut ic al pre pa rat i o ns us i ng al ka li ne
po ta s s i u m pe rma ng a na te as a n ox i di zi ng ag e nt. T he me t hod s i nv o l ve de te rmi na t i o n o f e s c it a lo p ra m
ox a l ate b y ki ne tic s t ud ie s of i ts ox id at io n at ro o m te mpe rat ure f o r a fi x e d ti m e of 1 5 m i n. T he
ab s o rb anc e o f t he c ol o re d ma ng a na te i o ns was me as ure d a t 6 1 0 nm. Al te rna ti ve ly, t he de c re as e i n t he
ab s o rb anc e of pe r m a ng a na te up on a ddi ti o n of t he s t ud ie d dr ug wa s als o me as ure d a t 5 2 5 nm. T he
ab s o rb anc e -c o nc e nt ra t i o n pl ots i n bot h p ro c e du re s we re re c t ili ne a r o ve r t he ra ng e of 4. 0– 2 5. 0 µg mL –
1 . T he di ffe re nt expe ri me nt al p ara mete rs a ffecti ng t he de vel op me nt we re c a ref ull y s t udie d a nd

op ti m i ze d. T he de te r mi na ti o n of e s c i t al o pra m ox al at e b y t he fi xe d c o nc e nt ra ti o n a nd i ni t i al ra te
m e t ho ds i s a l s o f e as i bl e wit h t he c a li b ra ti o n e quat i o ns o b tai ne d b ut t he fix e d ti me me t ho d has be e n
f ound t o be mo re ap pl ic abl e . Bo t h p ro c e d ure s we re a ppl ie d t o t he de te rmi nat i o n of e s c it al o p ra m
ox a l ate i n f o rm ul at i o ns . T he re s ults o bt ai ne d we re i n g o od ag re e me nt wit h t hos e o bt ai ne d us i ng
re f e re nc e me t ho ds . T he p rop os e d me t hod s have a g re a t v al ue i n t hei r ap plic at i on t o t he a nal ys i s of
e s c i ta l opra m ox al ate i n qual it y c ont ro l l abo ra t o rie s .
K e y wo rds : Es c i t al op ra m ox al ate , ki ne ti c s pe c t ro p hot om et ry, fix e d ti me me t ho d, v ali d ati o n, p ha r mac e ut ic a l
p re pa ra ti o ns
.
J. Indian Chem. Soc.,
Vol. 90, March 2013, pp. 319-323
Study on the catalytic synthetic preparation of rubber anti-oxidant
2,2,4-trimethyl-1,2-dihydro-quinoline polymer

Yu Li ua,b*, Qingyu G aoa, Lianxi n Li ub and S huti ng Lib
a College of Chemistry and Engineering Technology, China University of Mining and Techn ol ogy, Xuzhou 221116, C hina bXuzhou College of Industrial and Technology, Jiangsu Xuzhou 221140, China M anuscript recei ved online 04 January 2012, revised 08 M arch 2012, accepted 10 M ay 2012 A bs t ra ct : T he p a pe r is o n t he c at a ly tic s y nt he t ic p re pa ra tio n of p ro duc ti o n of a r ub be r a nt i- ox i da nt
2 , 2, 4 -t ri me t hy l-1 , 2 -di hy dro - q ui no li ne po l y me r ( ( C12 H15 N) n, n = 2 -4 R D). T he pro cess uses o ne ste p

a nd s ol ve nt- f re e p re p arat i on of RD, wit hout us i ng hyd ro c hl ori c ac i d as a c at al ys t. A s ol i d re s i n i s
us e d as a c a ta ly s t a nd re c yc li ng me t ho d f ol lo we d. Us e of t he p ro c e s s i nc re as e s t he ef fe c t iv e
c o nc e nt rat i o n of R D (t he c o nt e nt o f di me r, t ri me r a nd te t ra me r of RD) f ro m 4 6 t o 7 5% . No wa s te
wa te r is pro d uc e d a nd e nvi ro n me nt a l po ll ut io n ha s be e n c ont ro ll e d.
K e y wo rds : Rubbe r a nti ox i da nt , RD c at a ly s t, s oli d re s i n.

J. Indian Chem. Soc.,
Vol. 90, March 2013, pp. 325-329
Corrosion inhibitory effects of some Mannich bases on mild steel in acid
media

P ooja S harma, R. K. Upadhyay* and Al ok Chat urvedi
Syntheti c and Sur face Science Laborat or y, Depar tment of Ch emi st ry, Government C ollege, Ajmer -305 001, Rajasthan, India, E-mail : alwayz_r ajesh @yahoo. co.in M anuscript recei ved 27 January 2011, revised 04 M ay 2012, accept ed 14 M ay 2012 A bs t ra ct : W e ig ht l os s a nd p ote nti o me t ric me t ho ds have be e n us e d t o s t ud y t he c or ro s i o n i nhi b iti o n
of mi ld s te e l i n ac i dic s ol uti o n ( HC l a nd H2SO4) b y f o ur n ewl y s y nt hesise d M anni c h b ases vi z. 3 - ox o-
3 -p he nyl - N, N
- di me t hy l
pro p ana mi ne
hy d roc hl ori de
3 , 5 -dioxo -5 -p he ny l- N, N- di me t hy l
pe nt a na mi ne hy dro c hl o ri de (M B2), 2, 2 -di met hyl-3 - ox o- N, N- dimet hy l b ut a na mi ne hy droc hlo ride
( M B3) a nd 3 - ox o- N, N
-d ime t hyl buta na mine hy dro c hlo ride ((M B4) . Co rros io n in hibit io n e ffic ie nc y
ha ve be e n f o und to depe nd up o n t he c o nc e nt ra t io n o f i nhi bi t or a s we l l as t hat of ac id. I nhi bi ti o n
e f fic ie nc y i nc re as e s wit h i nc re as i ng c o nc e nt ra ti o n o f i nhi bit o r and de c re as e s wi t h i nc re as i ng
c o nc e nt rat i o n of ac i d. I nhi b iti on e ff i c ie nc y i s mo re i n HC l t ha n i n H2 SO4. I nhi bit i o n e f fic ie nc y wa s
f ound ma x i m u m up to 9 2 . 7 9% i n HCl s ol ut io n whe re as it is 7 5 . 6 5% in H2SO 4.

K e y wo rds : Co rro s io n, i nhi bit i o n e ffi c i e nc y, M annic h ba s es , we ig ht l os s , po te nt i al, s urf ac e c ove ra g e .

J. Indian Chem. Soc.,
Vol. 90, March 2013, pp. 331-336
Spectroscopic characterization of some copper(II) complexes
Rekha Rani , Raj eeva Ranj an, N. C. Bhatt acharjee, S. Sharma* and Afshan Surai yaa
Uni ver sit y Depart ment of Chemi str y, Magadh Uni versit y, Bodh Gaya-824 234, Bihar, India a G.B.M. College, Gaya-823 001, Bihar, India M anuscript recei ved 29 Novem ber 2011, revised 02 May 2012, accepted 14 M ay 2012 A bs t ra ct : 1 -( P he ny l a zo )-2 - na pht ho l ( P AN H) has t h re e p ot e nt i al d o no r s i te s a nd t hus i t ac ts a s a ve r y
g oo d c he l at i ng ag e nt . T his l i g and has be e n us e d f o r c om pl ex ati o n wi t h C uI I io ns to s ynt he s i ze t he
c o mp le x e s o f ge ne ra l f o r mul a C u(P AN )2 L n, whe re L = second a ry l ig a nds l i ke p yri di ne, pi c ol i ne, H2 O

a nd n = 0 , 1 a nd 2 . T he s e c o mp le x e s have be e n c h a rac te ri ze d by t he i r e le me ne t al ana lys is ,
c o nd uc ti vi ty me as ure me nt, mag ne tic mo me nt at ro o m t e m pe ra t u re , i nf ra re d s pe c t ra a nd e le c t ro ni c
s pe c t ra. T he l ig a nd P AN H is fo u nd to ha ve c o o rd i nate d t h ro ug h de pro to nat e d p he no li c ox yg e n a nd
a zo ni t rog e n f o r mi ng a s ix me mbe re d c he l ate wit h t wo c o nj ug ate π-b ond s i n c he l at e ri ng . T he
m ag ne t ic mo me nt va l ue s re ve al t he mo no nuc le a r na t ure o f c o mp le x e s whi l e t he i r e l e c t ro nic s pe c t r a
re ve a l t he g e om e t ry of t he c o mp le x e s . Cu(P AN )2 complex is fo und squa re pla na r while C u( PA N)2L
a nd Cu(P AN )2L2 are f o und s q ua re p y ra mid al a nd tet ra g o nally d ist ort ed oct ac he dra l res pect ive ly.

K e y wo rds : Sq ua re py ra mi da l, te rago na ll y d is t o rte d oc t a he dra l.

J. Indian Chem. Soc.,
Vol. 90, March 2013, pp. 337-346
pH dependent speciation and removal of chromium from environmental
samples using a chelating resin containing derivatised L-methionine

Mili Dutt aa, Debasis Dasb* and Rahul Bhatt acharyac*
a Gopalpur High School, Durgapur, Burdwan, West Bengal, India b Department of Chemi stry, The University of Burdwan, Burdwan-713 104, West Bengal, India E-mail : ddas100in@yahoo.com Fax : 91-342 -253 0452 c Indian Chemical Society, 92, Acharya Prafulla Chandra R oad, Kolkata-700 009, India E-mail : drrahulchem@r edi ffmail .com M anuscript recei ved online 18 A pri l 2012, revised 11 May 2012, accepted 18 M ay 2012 A bs t ra ct : p H de pe nde nt c he mi c al s pe c i ati o n of i no rg a ni c c hro mi um s pe c ie s a nd t he i r re mo val f ro m
e nv i ro n me nt al s a mp le s hav e be e n pe rf o r me d on a c he l ati ng re s i n hav i ng N- (3 -i nd ol y l me t hyl ) L -
m e t hi oni ne mo ie ty. T he nove l t y of t he re s i n i s t hat it c a n bi nd b ot h CrI I I and CrV I at t wo d iffe re nt
p H. T he max i mum s o rp t io n c ap ac it y of t he re s i n f o r C rI I I is 1. 3 7 mm ol g – 1 a t p H 8 . 6 whe re no
s orp ti o n o f CrV I wa s o bs e rv e d. Ag ai n, ma xi m um s o rpt i on of C rV I is 1 . 7 5 2 mmo l g– 1 at pH 4 . 0 whe re
s orp ti o n of C rI I I i s al mo s t nil . W e have obs e rv e d c o mp le te de s o rp ti o n of CrI I I a nd C rVI wit h 3 . 0 m ol
L – 1 H Cl a nd 4 . 0 mo l L – 1 H Cl re s pe c ti ve l y. De te c ti o n li m i t s (t hre e t i me s o f t he s t a nd ard de vi ati o n f o r
bl a n k) f o r CrI I I a nd C rV I has be e n f o und as 0 . 4 mg mL – 1 a nd 1. 3 mg mL– 1 re s pe c ti ve l y. So rp t io n o f
bo t h C rI I I a nd CrV I ha s be e n f o und t o f ol l o w a s ec o nd o rde r ra te l a w. T he de ve l ope d me t ho d ha s be e n
us e d f o r t he c he mic al s pe c i ati o n a nd re m ov a l of c hro mi um f rom di ffe re nt e nvi ron me nt al s a mp le s an d
v ali date d b y s ta nda rd/ re fe re nce me t hod. T he c o nc e nt ra t io n of c hro mi u m has bee n me as u re d by f l a me
at o mi c a bs o rp ti o n s pe c t ro me te r (F AAS ).
K e y wo rds : Chro m i u m, s pe c i ati o n, c he l at i ng re s i n, L - me t hi o ni ne , F A AS.

J. Indian Chem. Soc.,
Vol. 90, March 2013, pp. 347-353
Speciation studies of binary complexes of CoII, NiII and CuII with L-proline
in 1,2-propanediol-water mixtures

P. Bhus hanavat hia, B. Veeraswamib, U. Viplavapras adb and G. Nages wara Raoc*
a St. Joseph’s College for Women (A), Visakhapatnam-530 004, Andhra Pradesh, India b Gitam Institute of Technology, Gitam University, Visakhapatnam-530 045, Andhra Pradesh c School of Chemistry, Andhra University, Visakhapatnam-530 003, Andhra Pradesh, India M anuscript recei ved online 12 A pri l 2012, revised 16 May 2012, accepted 21 M ay 2012 A bs t ra ct : Che mic al s pe c i ati o n of CoI I , NiI I a nd CuI I c o mp le x e s of L - p rol i ne i n 0 . 0– 6 0 . 0% v/ v 1, 2-
p ro p ane di o l- wat e r mix t u re s ma i nt a i ni ng a n io ni c s t re ngt h of 0 . 1 6 mo l L – 1 at 3 0 3 . 0 K has be e n s t ud ie d
p H me t ric all y. T he ac t ive f or ms of l i ga nd a re L H +

2 , L H a n d L – . T he p r e d o m i na n t s p e c i e s d e t e c t e d a r e
M L , M LH a nd M L2. M odels c onta ining dif fe rent numb e r of species we re ref ine d by using t he
c o mp ute r p rog ra m M I NI Q UAD7 5. T he be s t-f it c he mic al m ode ls we re ar ri ve d at b as e d o n s t atis t i c al
pa ra me te rs . T he t re nd i n v a ri at io n of c o mp le x s t a bi l it y c ons t a nts wi t h c ha ng e i n t he di e l e ct ric
c o ns ta nt of t he me di u m is e x pl ai ne d on t he bas is o f e le c t ro s tat ic and no n-e l e c t ros t at i c fo rc e s .
K e y wo rds : Co mple x e q ui li b ri a, c he mic a l s pe c i at i o n, L - pro li ne , 1 , 2 -p ropa ne di ol .

J. Indian Chem. Soc.,
Vol. 90, March 2013, pp. 355-364
Iodide mediated oxidation of arsenic(III) by cerium(IV) in aqueous
sulphuric acid and sulphate media – A kinetic and mechanistic study

M. D. Meti, S. S. Das hyal , S. Y. Gud as al kopp a, R. B. Hallur, R. M. Pandit, S. A. Sappuri,
S. T. Nandibewoor and S. A. Chi mat ad ar*

P. G. Depart ment of Studies in Chemi str y, Karnat ak Uni versit y, Dharwad-580 003, Karnataka, India, E -mail : schimatadar@gmai l.com M anuscript recei ved online 23 February 2012, revised 10 M ay 2012, accepted 22 M ay 2012 A bs t ra ct : A mi n ute (1 0 – 8 mol d m– 3 ) q uant it y o f i odi de me di ate d ox i da ti on of a rs e nic (I I I ) b y
c e ri um( I V) i n a n aq ue o us s ul p hu ri c ac i d a nd s ul p hat e me di a has be e n s t ud ie d s pe c t ro p hot o me t ri c al l y
at 2 5 º C. T he s t oic hi o me t ry i s 1 : 2 , i. e . o ne mo le o f a rs e ni c (I I I ) re q ui res t wo m ol e s of c e ri um(I V). T he
re ac ti o n is fi rs t o rde r e ac h i n c e ri um (I V) a nd i odi de c onc e nt ra ti o ns . T he o rd e r wi t h re s pe c t t o
a rs e nic (I I I ) is le s s t ha n uni ty. I nc re as e i n s ul p huri c aci d c onc e nt ra ti o n i nc re as e d t he ra te . I n s i t u H+
i o n c o nc e nt rat i o n is c a lc ul a te d by t he kno wle dg e o f e q ui li b ri u m c o ns t ants and t he o rde r wit h re s pe c t
t o H+ io n c o nc e nt rat i o n i s f o und t o be l es s t han u ni t y. T he i o nic s t re ng t h di d no t ha ve a ny s ig ni fic a nt
e f fe c t o n t he ra te of reac ti on, whe re as ra te c o ns t a nt i nc re as e d wit h de c re as i ng die le c t ric c o ns ta nt of
t he me di u m. A dde d pro d uct s ce ri um( I I I ) a nd a rs e nic (V) di d not ha ve a ny s ig ni fic a nt e f fe c t on t he
re ac ti o n ra te . T he ac t ive s pe c ie s of ox i dant a nd re d uc ta nt a re Ce ( SO 4)2+ and AsI2+ respect i vel y. A

s ui t able me c ha ni s m is p ro pos e d. T he c at al ytic c o ns t a nt a nd ac ti vati on p a ram e te rs a re de te rmi ne d.
T he re s ul ts o bt a i ne d i n t he p res e nt s t ud y a re s i m i la r t o t hat of bro mi de , c hl ori de and io di de me d ia te d
ox i da ti o n of a nt i mo ny(I I I ) b y c e ri u m(I V) i n aque o us s ul phu ri c ac i d-s ulf ate me d ia a nd a re c o mpa re d
a nd d is c us s e d.
K e y wo rds : K i ne tic s , oxi dati on, me c ha ni s m, a rs e ni c (I I I ), c eri u m(I V ).

J. Indian Chem. Soc.,
Vol. 90, March 2013, pp. 365-371
Kinetics and mechanism of iridium(III) catalysed oxidation of DL-
methionine by alkaline hexacyanoferrate(III)

B. Dharma Rao, N. Baby Nirmal a and P . Vani*
Depart ment of In or gani c and Anal yti cal Chemi str y, School of Chemistr y, Andhr a Uni versit y, Visakhapatnam-530 003, Andhra Pradesh, India, E-mail : vani _chem@redi ffmail .com M anuscript recei ved online 07 A pri l 2012, revised 04 May 2012, accepted 22 M ay 2012 A bs t ra ct : I ri di um( I I I ) c at a lys e d ox id at io n o f DL - me t hi o ni ne b y he x ac ya no fe rra te (I I I ) was s t ud ie d
s pe c t ro p ho t o me t ri c al l y i n a q ue ous a l ka l i ne me di um at 3 0 ± 0. 1 º C at a c ons t a nt io nic s t re ngt h. A
m ic ro am ou nt of i ri di um (I I I ) was s uffic ie nt t o c a ta l ys e t h e s lo w re ac t i o n be t we e n DL - me t hi o ni ne a nd
he x ac ya nofe r ra te (I I I ). T he re ac t io n is f i rs t o rde r i n b ot h he x ac ya no fe r rat e( I I I ) a nd i ri di u m(I I I )
c o nc e nt rat i o ns . T he orde r wi t h re s pe c t t o DL - me t hi o n i ne is f ra c ti o nal . I nc re as e i n t he al ka li
c o nc e nt rat i o n i nc re as e s t he reac ti on ra te . M e t hi o ni ne s ul fo ne was f ound t o be t he ma i n p rod uc t o f
ox i da ti o n a nd i t wa s i de ntif i e d b y I R and ma s s s pe c t ra. H e x ac y ano fe rra te (I I ), t he ot he r p ro d uc t wa s
f ound to ha ve no e ffe c t o n re ac t i o n ra te . T he ac t i ve s pe c i e s of ox id a nt and c at al ys t a re [Fe ( C N)6] 3–
a nd [I r Cl 3( H2 O) 2O H]– res pecti ve ly. A po ssi ble mec hanis m wa s p rop ose d a nd t he ac ti v ati o n

pa ra me te rs we re c om pute d wi t h re s pe c t to t he s l o w s te p of t he re ac ti o n.
K e y wo rds : O x id at i o n of DL- me t hi o ni ne , he x ac ya no fe r ra te ( I I I ) , iri di um (I I I ), me c hanis m.

J. Indian Chem. Soc.,
Vol. 90, March 2013, pp. 373-379
Visible light irradiate photocatalytic degradation of textile dye with a newly
developed photocatalyst MBIR Dowex 11

R. C. Meena*, R. S. Sindal and Munesh
Phot och emi str y Labor ator y, Depart ment of Chemist r y, Jai Nar ain Vyas Uni versit y, J odh pur -342 001, Rajasthan, India, E-mail : rcmeena007@r ediffmail.com M anuscript recei ved online 11 A pri l 2012, revised 16 May 2012, accepted 29 May 2012 A bs t ra ct : Azo dye ac i d o ra ng e 1 2 cre ate s e nv i ro nm e nt po ll uti o n p rob le ms by re le as i ng tox i c an d
po te nt i al c a rc i no ge nic s ubs t anc e i n t he a q ue ous p ha s e . V is i ble li g ht p hot oc at a ly ti c de g rad at io n o f
ac i d o ra ng e 1 2 was c a r rie d o ut by e mp l oyi ng he te rog e ne o u s p hot oc a ta l ys t me t hyl e ne b l ue i m mo bi li ze d
re s i n (M BI R) Do we x 11 . Phot ode g ra d at i o n e ffic i e nc y was s ma ll whe n t he pho to l ys is wa s c a r rie d o ut i n
t he abs e nce of MB I R D o we x 1 1, a nd i t wa s a ls o ne g l ig ib l e i n t he a bs e nc e o f U V l i g ht. T he o pt i mu m
v al ue s of di ffe re nt p a ra me te rs whic h i nfl ue nc e t he de g r adat i o n o f azo d ye s uc h as c at a lys t dos e ,
c o nc e nt rat i o n of d ye , p H of t he s ol uti o n, lig ht i nte ns i t y a nd ra d ic a l q ue nc he r was s ys te mat i c al l y
s t udie d. T he dye s o l ut i o n c o ul d be c o mp le te l y de c ol ori ze d a nd e ffe c t ive ly mi ne ra li ze d, wit h ave rag e
re m ov al e ff i c ie nc y l a rg e r t ha n 9 5 % fo r a re ac ti o n t i me 1 6 0 mi n. P hot oc at al yt ic de g ra dati o n of t he
dye s f ol l o ws ps e udo-f i rs t o rd e r ki ne ti c s . CO 2 a nd H2O a re obt ai ne d o f si mple mine ra lize pro d uct s.

K e y wo rds : P ho to de g ra d at io n, i mm ob il i za ti o n, p ho t oc at a ly s t, ac id o ra ng e 1 2 , re mo v a l e ff ic ie nc y, M BI R
Do we x 11 .

J. Indian Chem. Soc.,
Vol. 90, March 2013, pp. 381-385
An efficient method for the preparation of hydroxamic acids
Xi-Ai Gao, Xian-X ue Wang, Hao Yan, Jian Li, Ru-L ong Yan and Guo-S heng Huang*
St ate Key Labor ator y of Applied Organic Chemistr y, Lanzhou Uni versit y, Key Laborat or y of Nonferr ous Met al C hemistr y and R es our ces Utilization of Gansu Provin ce, Lanzh ou 730000, P. R. C hina, E-mail : hgs@lzu.edu.cn Fax : 86-931-8912582 M anuscript recei ved online 06 A pri l 2012, revised 10 May 2012, accepted 11 M ay 2012 A bs t ra ct : Re ac t io ns o f ac yl c hl ori de s wi t h hyd rox yl a mi n e hy d roc hl ori de a nd N a HCO 3 g ene ra te t he
c o r re s p o nd i ng hyd ro x am i c ac id pro d uct s i n e t hyl ac et at e and wa te r at ro o m te mp e rat ure f or 5 mi n.

T his is a s i mple a nd e ff ic ie nt m e t ho d t o s y nt he s i ze a wi de ra ng e of hy drox a mic ac i ds f ro m c a rb ox yl ic
ac i ds i n e x c e lle nt y ie l d a nd hig h p u ri ty aft e r s i mple pos t-t re at m e nt wit ho ut c h ro ma tog ra p hi c
p uri fi c at i on. I n t hi s p roc e s s , t he hig hl ig ht s a re t he s i mp le s e p ara t io n of p ro duc ts a nd c he ap l y
a va il a ble re ag e nts .
K e y wo rds : Hy dro x a mi c ac i ds , c arb ox y lic ac ids , ac yl c hl o ri de s , hyd rox yl a mi ne hyd roc hl o ri de.

J. Indian Chem. Soc.,
Vol. 90, March 2013, pp. 387-391
Aromatic oil composition and microstructures of some Indian cultivars of
Cuminum cyminum
L. in raw and roasted condition
Tani ma Modak Dhara, Mahua G hos hb* and D. K. Bhatt acharyyac
a Central Instrument Facility, Main Campus, Bose Institute, Kolkata-700 009, India b Department of Chemi cal Technology, University of Calcutta, 92, Acharya Prafulla Chandra Road, Kolkata-700 009, India E-mail : mahuag@gmail. com, mgch emt ech @cal univ. ac.in Fax : 91-33 -23519755 c SOCSAT, Bengal Engineering and Science University, Shibpur, Howrah-711 103, West Bengal, India M anuscript recei ved 24 June 2011, revised 10 M ay 2012, accepted 14 M ay 2012 A bs t ra ct : T he a ro ma t ic oi l is e x t rac te d f ro m t hre e c ul ti va rs of c umi n g ro wn i n di ffe re nt re g i o ns of
I nd i a b y s i mp le way of s o l ve nt e x t ra c t io n proc e s s us i ng HP L C g ra de pet rol e u m e t he r (b o ili ng p o i nt
ra ng e 40 – 6 0 º C). T he c o mp o s it io n of e xt rac te d o il is a nal y ze d b y G as C hro ma t og ra phy a nd M a s s
Spe c t ro me t ry i n ra w a nd ro as te d c o nd it io n. I t is f o und t hat i n c as e o f t h ree c ulti va rs s o me ne w
c o mp o und s a re g e ne rat e d d uri ng ro as t i ng p re s uma bl y due to M ai l l a rd re ac t i o n and t he y a re dif fe re nt
i n pe rc e nt ag e a nd c o mp os iti o n. G CM S s t ud y re ve als t hat hai ry c umi n v a rie t y o f R aj as t ha n i s
e nric he d wit h v a ri o us c o mp ou nds o f e s s e nt i a l oi l t han o t he r t wo va ri e ti e s . T he p ro p ort i on pe rc e nt o f
s om e c o mp o und s Al pha pi ne ne (1 . 3 1 % ), c ume ne ( 16 . 1 8% ), c a re e n (27 % ), Al p ha- phe ll a nd re ne (1 8 % )
a nd c o um a ri n ( 4. 2% ) i n raw hai ry c umi n a re hig he r t han ot he r t wo c ul t i v ars of Raj as t ha n a nd W e s t
B e ng al re s pec t i ve l y. T hes e pe rc e nt co mp o s it i ons are c ha ng e d i n ro a s te d c o nd it i o n. T he mic r o
m o rp ho l ogi c al c hara c te rs w he n vie we d und e r s c anni ng e le c t ro n mic ro s c o pe s ho w s ome di ffe re nce s i n
s ee d s t r uc t ure s a nd oi l s e c re t ory pa rt s be t we e n b ot h ra w and ro a s te d s ee ds . T he pa pi l l os e ha i rs an d
as s e mb l ag e of c a nal s te nd t o be c o me s t i ff i n t he ro as te d ma te ri als t ha n t he ra w o ne s . T he s t ruc t ure s
of e ac h s e e ds of t he pa rti c ul a r c ul ti v a rs i ndi c at e a ki nd of c ha rac t e r- s pe c if i c it y. A c o r re l ati o n of
G CM S a nd SE M s t ud y ha ve be e n e s t abl is he d whic h ma y e n ab le to i de nt if y t he s upe ri o r qua li ty s e e ds .
K e y wo rds : Cumi n, a ro ma, G CM S, SE M .

J. Indian Chem. Soc.,
Vol. 90, March 2013, pp. 393-397
Determination of trace elements in edible fungi by axially view inductively
coupled plasma optical emission spectrometry after microwave digestion

Qi ng hua Yana*, Li Yangb, Ge Wangc, Qi ng Wangb and Jianwei Z hangb
a Department of Life Science and Technology, Xinxiang Medical University, Xinxiang Henan 453003, P. R. China, E-mail : yqh3499@ yahoo.com.cn Fax : 86-373 -3040015 b Department of Experimental Center, Henan Institute of Science and Technology, Xinxiang Henan 453003, P. R. Chi na c Medical Teaching Institute, Xinxiang Medical University, Xinxiang Henan 453003, P. R. China M anuscript recei ved online 24 A pri l 2012, accepted 15 M ay 2012 A bs t ra ct : Eig ht e le me nts (F e , Zn, C a, M g , Cu, M n, Ni a nd Se ) we re de te rmi ne d i n te n s pe c ie s of
e di ble f ung us . T ra c e e le me nts we re de te r mi ne d b y axi all y vie we d i nd uc t i ve l y c oup le d p l as ma o pt i c al
e mis s i o n s pe c t ros c o p y (I C P-O E S) afte r m ic ro wa v e di ge s t i o n of t he d rie d s a mpl e s . T he ac c u ra c y of t he
dig e s ti on pro c e d ure s wa s de t e r m i ne d by us i ng s t a nda r d re fe re nc e ma te ri al (G BW 0 7 6 0 4- Po pl a r
l e ave s ). T he p re c is i o n a nd ac c ura c y o f de te r mi na t io ns we re ve rif ie d t hro ug h s t a nda rd ad d iti o n
e x pe ri me nt. T he p rop os e d me t ho d c an be us e d c o nt rol a nd a na lys is of qual i t y of s o me f ung us s a mpl e s .
K e y wo rds : I CP -O E S, e di bl e f ung i , t rac e e le me nts , mic ro wa ve dig e s ti o n.

Source: http://www.indianchemsoc.org/journals/mar13.pdf

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