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Ma e ials Science: Ad ances in Syn hesis, Cha ac e iza ion and Applica ions (Vol. 1) - Digamba M. Sapkal, Ha shal M.
Bachha , Gau a Mahade Loha , Sanjay P. Khai na (Eds.)
ISBN: 978-93-95369-55-8 (pape back) 978-93-95369-46-6 (elec onic) | © 2025 Ad en Publishing.
h ps://doi.o g/10.5281/zenodo.17292344
CHAPTER 14
Ad anced cha ac e iza ion echniques o magne i e
Nanopa icles Loaded wi h Biodeg adable Was e: A
Comp ehensi e Guide o E luen Wa e T ea men
Applica ions
Ha shal Madhuka Bachha ,1 Megha P. Ja he i2
1Depa men o Chemis y, SICES Deg ee College o A s, Science & Comme ce Ambe na h (W) Thane
421505 Maha ash a, India
2Depa men o Chemis y, B.N.N. College Bhiwandi, Thane 400606 Maha ash a, India
Co esponding au ho Email: sbacha @gmail.com
Recei ed: 21 Sep embe 2025; Accep ed: 30 Sep embe 2025; A ailable online: 08 Oc obe 2025
Abs ac : This chap e p o ides a comp ehensi e o e iew o ad anced cha ac e iza ion echniques
essen ial o op imizing magne i e nanopa icles loaded wi h biodeg adable was e (MNLBW) in wa e
ea men applica ions. The inno a i e in eg a ion o magne i e nanopa icles wi h biodeg adable was e
ma e ials ep esen s a sus ainable app oach ha simul aneously add esses was ewa e ea men and was e
alo iza ion challenges. Th ough sys ema ic explo a ion o ele en complemen a y cha ac e iza ion
Ha shal Madhuka Bachha , Megha P. Ja he i
Ma e ials Science: Ad ances in Syn hesis, Cha ac e iza ion and Applica ions (Vol. 1) - Digamba M. Sapkal,
Ha shal M. Bachha , Gau a Mahade Loha , Sanjay P. Khai na (Eds.)
ISBN: 978-93-95369-55-8 (pape back) 978-93-95369-46-6 (elec onic) | © 2025 Ad en Publishing.
196
echniques—including elec on mic oscopy, X- ay di ac ion, spec oscopic me hods, and su ace
analysis— his s udy e eals how biodeg adable was e in eg a ion c ea es unique co e-shell a chi ec u es
ha enhance adso p ion capaci y while main aining magne ic sepa abili y. The esea ch demons a es ha
MNLBW sys ems exhibi supe io con aminan emo al capabili ies o hea y me als, dyes, and o ganic
pollu an s compa ed o con en ional ma e ials.
The key indings include he o ma ion o hie a chical s uc u es wi h inc eased su ace a ea,
in oduc ion o di e se unc ional g oups om o ganic componen s, and main ained c ys alline magne i e
phases essen ial o magne ic sepa a ion. The comp ehensi e cha ac e iza ion amewo k es ablished
p o ides quali y con ol p o ocols o consis en ma e ial p oduc ion and enables co ela ion o s uc u al
p ope ies wi h wa e ea men pe o mance. The li e a u e su ey con ibu es o sus ainable
nano echnology by demons a ing how was e ma e ials can be ans o med in o high-pe o mance wa e
ea men solu ions, o e ing economic bene i s h ough educed syn hesis cos s while achie ing supe io
en i onmen al emedia ion capabili ies.
1. In oduc ion
Wa e pollu ion has become one o he salien en i onmen al issues o ou e a, as indus ial and municipal
was ewa e includes e e -wide sui es o ad anced con aminan s ha pose isks o human heal h and
en i onmen al in as uc u e. While adi ional wa e ea men app oaches a e e ec i e o a ge
applica ions, hey equen ly a e no e ec i e in add essing eme ging con aminan s, hea y me als, and
e ac o y o ganic compounds. They equen ly c ea e seconda y was e s eams and a e ex emely ene gy
in ense as well, sugges ing he essen ial signi icance o new and sus ainable ea men echnologies.
Nano echnology has opened up exci ing new ways o clean up con amina ed wa e ,
Nano echnology o e s no el ways o pu i y con amina ed wa e by using ma e ials wi h la ge su ace
a ea, eac i i y, and selec i i y. O hese, magne i e nanopa icles (Fe₃O₄) a e essen ial owing o hei
supe pa amagne ism o sepa a ion ease, la ge su ace eac i i y o adso p ion o pollu an compounds,
and biocompa ibili y o en i onmen al iendliness. These i on oxide nanopa icles can e icien ly be
eco e ed om pu i ied wa e by applying magne ic ields om ou side and hus a e good candida es o
wa e cleaning.
Syn hesis o pu e magne i e nanopa icles elies on cos ly chemical p ecu so s and ene gy-
in ensi ely p ocessing, hence limi ing use. While good enough o many pu poses, pu i ied magne i e
pa icles canno ha e lexibili y in adso bing desi ed impu i ies. Syn hesis in ol ing biodeg adable was e
ma e ials o syn hesize nanopa icles p o ides a pa adigm shi . Using biodeg adable was es like
ag icul u al by-p oduc s and by-p oduc s om ood p ocessing o magne i e nanopa icle syn hesis sol es
nume ous issues a once. They a e u ilized as na u al educe s wi hou chemical educe s and inco po a e
unc ional g oups o maximizing adso p ion. The esul ing magne i e nanopa icles om biodeg adable
was es (MNLBW) p o ide sus ainable de elopmen in nano echnology by con e ing was e esou ces in o
usable ma e ials o was ewa e ea men .
Ad anced cha ac e iza ion echniques o magne i e Nanopa icles Loaded wi h Biodeg adable Was e: ..
Ma e ials Science: Ad ances in Syn hesis, Cha ac e iza ion and Applica ions (Vol. 1) - Digamba M. Sapkal,
Ha shal M. Bachha , Gau a Mahade Loha , Sanjay P. Khai na (Eds.)
ISBN: 978-93-95369-55-8 (pape back) 978-93-95369-46-6 (elec onic) | © 2025 Ad en Publishing.
197
De e mina ion o s uc u e-p ope y ela ionships in hyb id nanoma e ials necessi a es ha
ad anced cha ac e izing me hods be u ilized. The he e ogeneous na u e o MNLBW composes ino ganic
magne i e co es and o ganic biodeg adable moie ies such ha complemen a y analy ical echniques a e
needed o de ine hei p ope ies and augmen unc ionali y.
This chap e p o ides gene al cha ac e iza ion echniques o MNLBW ma e ials. Ele en key
analy ical me hodologies a e de ailed om mo phology by elec on mic oscopy h ough o su ace
chemical unc ionali y by spec oscopy, gi ing esea che s su icien knowledge o e ec i ely syn hesize
and use hese ma e ials o ea ing wa e s.
1.1 Magne i e Nanopa icles in Wa e T ea men
Magne i e nanopa icles (Fe₃O₄) ha e eme ged as one o he mos p omising nanoma e ials o
wa e ea men applica ions due o hei unique combina ion o magne ic p ope ies, biocompa ibili y, and
high su ace a ea- o- olume a io. These i on oxide nanopa icles exhibi supe pa amagne ic beha io a oom
empe a u e, enabling easy sepa a ion om ea ed wa e using ex e nal magne ic ields. The inhe en
p ope ies o magne i e, including i s chemical s abili y, non- oxici y, and s ong adso p ion capaci y, make
i an ideal candida e o emo ing a ious con aminan s om e luen wa e .
Magne i e nanopa icles u ilized o emedia ion o was ewa e a e no only u ilized o
sepa abili y by magne ic ields. Owing o hei s ong su ace eac i i y, hey a e e icien ly capable o
emo ing hea y me als, o ganic con aminan s, dyes, and o he oxic compounds by a ious p ocesses
in ol ing adso p ion, p ecipi a ion, and ca aly ic deg ada ion. In addi ion o his, su ace
unc ionalizabili y allows one o design adso ben s speci ic o pa icula impu i ies.
Adso p ion-(p ope y o magne i e nanopa icle)
An adso ben is a solid subs ance used o collec solu e molecules om a liquid o gas. I is capable o
adso p ion. Adso p ion is he adhesion o a oms, ions o molecules om a gas, liquid o dissol ed solid o a
su ace. This p ocess c ea es a ilm o he adso ba e on he su ace o he adso ben . This p ocess di e s om
abso p ion, in which a luid ( he adso ba e) is dissol ed by o pe mea es a liquid o solid ( he abso ben ).
Adso p ion is a su ace-based p ocess while abso p ion in ol es he whole olume o he ma e ial. The e m
so p ion encompasses bo h p ocesses, while deso p ion is he e e se o i .
1.2 Biodeg adable Was e In eg a ion
The in eg a ion o biodeg adable was e in o magne i e nanopa icle syn hesis ep esen s a con e gence o
en i onmen al necessi y and scien i ic oppo uni y. This app oach ans o ms wha was once conside ed was e
in o a aluable esou ce, add essing wo global challenges simul aneously: was e managemen and wa e
pollu ion. And he Biodeg adable was e ma e ials anging om ag icul u al esidues like ice husks and ea
lea es o ood p ocessing byp oduc s con ain na u ally occu ing compounds ha acili a e nanopa icle
o ma ion. These o ganic ma ices a e ich in polyphenols, cellulose, lignin, and o he bioac i e compounds
ha ac as na u al educing agen s, elimina ing he need o ha sh chemical educe s ypically used in
Ha shal Madhuka Bachha , Megha P. Ja he i
Ma e ials Science: Ad ances in Syn hesis, Cha ac e iza ion and Applica ions (Vol. 1) - Digamba M. Sapkal,
Ha shal M. Bachha , Gau a Mahade Loha , Sanjay P. Khai na (Eds.)
ISBN: 978-93-95369-55-8 (pape back) 978-93-95369-46-6 (elec onic) | © 2025 Ad en Publishing.
198
con en ional syn hesis.
The in eg a ion p ocess c ea es unique hyb id a chi ec u es whe e o ganic was e componen s o m
unc ional shells a ound magne i e co es. This co e-shell s uc u e is no me ely a physical coa ing bu
ep esen s a syne gis ic combina ion whe e he magne i e co e main ains magne ic sepa abili y while he
o ganic shell in oduces di e se unc ional g oups hyd oxyl, ca boxyl, amino, and phenolic g oups— ha
signi ican ly enhance adso p ion capaci y and selec i i y,
The mechanis ic insigh s-Du ing syn hesis, he biodeg adable was e componen s unde go he mal
decomposi ion and chemical ans o ma ion, eleasing educing suga s, o ganic acids, and phenolic
compounds ha pa icipa e in magne i e o ma ion. Simul aneously, he emaining o ganic amewo k
becomes in ima ely associa ed wi h he g owing nanopa icles, c ea ing hie a chical s uc u es wi h
inc eased su ace a ea and imp o ed mass ans e cha ac e is ics.
Ad anced cha ac e iza ion echniques o magne i e Nanopa icles Loaded wi h Biodeg adable Was e: ..
Ma e ials Science: Ad ances in Syn hesis, Cha ac e iza ion and Applica ions (Vol. 1) - Digamba M. Sapkal,
Ha shal M. Bachha , Gau a Mahade Loha , Sanjay P. Khai na (Eds.)
ISBN: 978-93-95369-55-8 (pape back) 978-93-95369-46-6 (elec onic) | © 2025 Ad en Publishing.
199
This in eg a ion p ocess is a om andom. The o ganic componen s in luence nuclea ion and
g ow h kine ics, o en esul ing in smalle , mo e uni o m nanopa icles wi h con olled mo phologies. The
p esence o unc ional g oups om he was e ma ix also in oduces speci ic binding si es o di e en
classes o con aminan s, enabling selec i e emo al based on elec os a ic in e ac ions, hyd ogen bonding,
and complexa ion mechanisms.
Pe o mance Implica ions o MNLBW-The esul ing MNLBW ma e ials exhibi p ope ies ha
su pass hose o hei indi idual componen s. Compa ed o p is ine magne i e nanopa icles, MNLBW
sys ems demons a e enhanced adso p ion capaci ies o hea y me als, imp o ed dye emo al e iciency,
and be e s abili y in aqueous en i onmen s. The o ganic componen s also con ibu e o biocompa ibili y,
educing po en ial oxici y conce ns associa ed wi h nanopa icle applica ions.
Unde s anding hese complex ma e ials equi es comp ehensi e cha ac e iza ion ha can cap u e
bo h he ino ganic and o ganic aspec s o hei s uc u e. The ollowing sec ions de ail he analy ical
echniques essen ial o un a eling he s uc u e-p ope y ela ionships ha go e n MNLBW pe o mance
in wa e ea men applica ions.
2. Cha ac e iza ion Techniques
Cha ac e iza ion echniques o MNLBW can be b oadly ca ego ized based on he ype o in o ma ion hey
p o ide:
Ca ego y
Technique
P ima y
In o ma ion
P o ided
Key pa ame e s
Re e ences
2.1 Mo phological
Cha ac e iza ion
Scanning elec on
Mic oscopy
(SEM)
Su ace
mo phology,
pa icle
dis ibu ion,
Agglome a ion
beha io
Pa icle size, shape,
su ace ex u e,
Uni o mi y
Gold s eine al.
(2017)¹
T ansmission
elec on mic oscopy
(TEM)
High- esolu ion
in e nal s uc u e,
c ys al la ice,
Co e-shell
a chi ec u e
Co e size, shell hickness,
c ys allini y,
De ec s
Williams
&Ca e (2009)²
2.2 S uc u al
Cha ac e iza ion
X- ay di ac ion
(XRD)
C ys al s uc u e,
phase
Iden i ica ion,
c ys alli e size
Phase pu i y, la ice
Pa ame e s, c ys al lini y
deg ee
Culli y & S ock
(2001)³
Fou ie ans o m
In a ed
Spec oscopy(FTIR)
Func ional g oups,
chemical bonding,
Molecula s uc u e
Bond iden i ica ion,
su ace chemis y,
In e ac ions
S ua (2004)⁴
Ha shal Madhuka Bachha , Megha P. Ja he i
Ma e ials Science: Ad ances in Syn hesis, Cha ac e iza ion and Applica ions (Vol. 1) - Digamba M. Sapkal,
Ha shal M. Bachha , Gau a Mahade Loha , Sanjay P. Khai na (Eds.)
ISBN: 978-93-95369-55-8 (pape back) 978-93-95369-46-6 (elec onic) | © 2025 Ad en Publishing.
200
2.3 Composi ional
Analysis
Ene gy dispe si e
X- ay Spec oscopy
(EDX)
Elemen al
composi ion,
spa ial dis ibu ion
A omic/weigh
pe cen ages,
Elemen al mapping
Reed(2005)⁵
2.4 Su ace
P ope ies
B unaue -Emme -
Telle (BET)Su ace
A ea Analysis
Speci ic su ace
a ea, po e
cha ac e is ics
Su ace a ea, po e
Volume, po e size
dis ibu ion
Thommese al.
(2015)⁶
Ze a po en ial
Analysis
Su ace cha ge,
colloidal s abili y
Elec opho e ic
Mobili y, isoelec ic poin
Hun e (2001)⁷
2.5 Pa icle Size
And dis ibu ion
Dynamic Ligh
Sca e ing (DLS)
Hyd o dynamic
size,
Poly dispe si y in
solu ion
Z-a e age diame e ,
PDI, size dis ibu ion
Peco a (2000)⁸
Each echnique p o ides unique insigh s ha collec i ely con ibu e o a comp ehensi e unde s anding
o MNLBW p ope ies and hei co ela ion wi h wa e ea men pe o mance.
3. De ailed Desc ip ion o Each Technique
3.1. Scanning Elec on Mic oscopy (SEM)
P inciple o ope a ion: SEM ope a es by scanning a ocused elec on beam ac oss he sample su ace.
Seconda y elec ons emi ed om he sample a e collec ed o o m high- esolu ion images e ealing su ace
mo phology, pa icle size dis ibu ion, and agglome a ion beha io . The echnique p o ides h ee-dimensional-
like images wi h magni ica ions anging om10× o1,000,000×.
Equipmen Used: Field emission SEM (FE-SEM) o con en ional SEM Spu e coa e o non-conduc i e
samples, sample s ubs and conduc i e adhesi e, acuum sys em and elec on gun
The pa ame e s measu ed using his echnique include pa icle size and size dis ibu ion, su ace
mo phology and ex u e, pa icle shape and uni o mi y, deg ee o agglome a ion, and he in eg i y o su ace
coa ings. Among he ad an ages o his me hod a e i s high esolu ion, ypically anging om 1 o 10
nanome e s, a la ge dep h o ield, and excellen image quali y. Addi ionally, he sample p epa a ion is
ela i ely simple, and he ins umen o e s a wide magni ica ion ange, making i highly e sa ile. Howe e ,
he e a e also se e al limi a ions o conside . The echnique equi es acuum condi ions, which may no be
sui able o all samples, and he e is a isk o beam-induced damage, pa icula ly o o ganic ma e ials.
Fu he mo e, i p o ides limi ed in o ma ion abou he in e nal s uc u e o he sample, and any su ace coa ing
applied o analysis can po en ially obscu e ine su ace de ails.
Rele ance o MNLBW: SEM is essen ial o assessing he su ace mo phology o MNLBW pa icles and
e alua ing how biodeg adable was e componen s modi y he su ace cha ac e is ics o magne i e nanopa icles.
I helps o de e mine pa icle uni o mi y, which di ec ly a ec s adso p ion pe o mance and magne ic
Ad anced cha ac e iza ion echniques o magne i e Nanopa icles Loaded wi h Biodeg adable Was e: ..
Ma e ials Science: Ad ances in Syn hesis, Cha ac e iza ion and Applica ions (Vol. 1) - Digamba M. Sapkal,
Ha shal M. Bachha , Gau a Mahade Loha , Sanjay P. Khai na (Eds.)
ISBN: 978-93-95369-55-8 (pape back) 978-93-95369-46-6 (elec onic) | © 2025 Ad en Publishing.
201
sepa a ion e iciency in wa e ea men applica ions.
3.2. T ansmission Elec on Mic oscopy (TEM)
P inciple o ope a ion: TEM ansmi s elec ons h ough ul a- hin specimens o o m high- esolu ion images.
The echnique p o ides de ailed in o ma ion abou in e nal s uc u e, c ys al la ice, and pa icle co e-shell
a chi ec u e. Mode n TEM ins umen scan achie es a omic-le el esolu ion, enabling isualiza ion o
indi idual nanopa icles and hei in e nal ea u es.
Equipmen Used: High esolu ion TEM (HR-TEM) wi h accele a ion ol age 200-300 k , Ul a mic o o me
o hin sec ion p epa a ion, TEM g ids (coppe o ca bon-coa ed), Digi al imaging sys em.
This echnique enables he measu emen o se e al c i ical pa ame e s, including co e pa icle size and
i s dis ibu ion, c ys al la ice spacing and o ien a ion, shell hickness and uni o mi y, co e-shell in e ace
cha ac e is ics, as well as he c ys allini y and p esence o s uc u al de ec s. I o e s excep ional esolu ion,
ypically in he ange o 0.1 o 0.2 nanome e s, allowing o de ailed isualiza ion o he in e nal s uc u e o
nanopa icles. The me hod also acili a es c ys al la ice analysis and suppo s quan i a i e measu emen s, wi h
mul iple imaging modes a ailable o enhance e sa ili y. Howe e , i comes wi h ce ain limi a ions. Sample
p epa a ion is o en complex and ime-consuming, and o ganic componen s wi hin he sample may be sensi i e
o he high-ene gy elec on beam, po en ially leading o damage. Addi ionally, he analysis is usually limi ed o
a small sample a ea, and he equipmen in ol ed is highly expensi e, bo h in e ms o ini ial cos and ongoing
main enance. Fu he mo e, ope a ing he ins umen e ec i ely equi es a high le el o expe ise.
Rele ance o MNLBW: TEM is c ucial o unde s anding he co e-shell s uc u e o MNLBW pa icles,
whe e magne i e o ms he co e and biodeg adable was e componen s c ea e he shell. This in o ma ion is i al
o co ela ing s uc u e wi h adso p ion capaci y and magne ic p ope ies in wa e ea men applica ions.
3.3. X- ay Di ac ion (XRD)
P inciple o ope a ion: XRD analyzes he c ys al s uc u e by measu ing he di ac ion o x- ays by
c ys alline planes in he ma e ial. When X- ays in e ac wi h c ys als, hey p oduce cha ac e is ic di ac ion
pa e ns ha p o ide in o ma ion abou c ys al s uc u e, phase composi ion, c ys alli e size, and la ice
pa ame e s acco ding o b agg's law (nλ = 2d sin θ).
Equipmen Used: X- ay di ac ome e wi h α adia ion (λ=1.54Å), Sample holde (glass slide o aluminum
pla e), Goniome e o angle measu emen . X- ay de ec o and compu e con ol sys em.
The sample p epa a ion me hod o his echnique in ol es ho oughly d ying he MNLBW powde in
an o en a 60°C, ollowed by g inding i in o a ine powde using a mo a and pes le. The powde ed sample is
hen moun ed on a glass slide o placed in o an app op ia e sample holde , ensu ing a uni o m and la su ace
o op imize da a accu acy. Du ing analysis, he ins umen scans ac oss a 2θ ange om 10° o 80° using a
sui able s ep size. This me hod allows o he measu emen o a ious pa ame e s, including c ys al phase
iden i ica ion, c ys alli e size (o en calcula ed using he Sche e equa ion), la ice pa ame e s and uni cell
dimensions, deg ee o c ys allini y, and de ec ion o phase pu i y o he p esence o seconda y phases. The
Ha shal Madhuka Bachha , Megha P. Ja he i
Ma e ials Science: Ad ances in Syn hesis, Cha ac e iza ion and Applica ions (Vol. 1) - Digamba M. Sapkal,
Ha shal M. Bachha , Gau a Mahade Loha , Sanjay P. Khai na (Eds.)
ISBN: 978-93-95369-55-8 (pape back) 978-93-95369-46-6 (elec onic) | © 2025 Ad en Publishing.
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echnique o e s se e al ad an ages, such as being non-des uc i e, enabling quan i a i e phase analysis,
p o iding apid measu emen s, and u ilizing s anda dized in e p e a ion me hods. I also p o ides da a
ep esen a i e o he bulk ma e ial.
Howe e , he e a e limi a ions: i equi es he sample o be c ys alline, has educed sensi i i y o
amo phous phases, and may p oduce o e lapping peaks in complex sys ems. Addi ionally, p e e ed
o ien a ion o c ys alli es can a ec accu acy, and he echnique o e s limi ed sensi i i y o su ace-speci ic
ea u es.
Rele ance o MNLBW: XRD con i ms he magne i e phase o ma ion and assesses how biodeg adable was e
inco po a ion a ec s c ys al s uc u e. I helps de e mine phase pu i y, which is c ucial o main aining
magne ic p ope ies essen ial o sepa a ion in wa e ea men p ocesses.
3.4. Fou ie T ans o m In a ed Spec oscopy (FTIR)
P inciple o ope a ion: FTIR measu es he abso p ion o in a ed adia ion by molecula ib a ions in he
sample. Di e en unc ional g oups exhibi cha ac e is ic ib a ional equencies, allowing iden i ica ion
o chemical bonds and molecula s uc u es. The echnique p o ides in o ma ion abou su ace chemis y
and o ganic componen in eg a ion.
Equipmen Used: FTIR spec ome e wi h deu e a ed iglycine sul a e (DTGS) de ec o , a enua ed o al
e lec ance (ATR) accesso y, KB pelle p ess o ansmission mode, Sample p epa a ion accesso ies.
This echnique is employed o measu e se e al impo an chemical cha ac e is ics, including he
iden i ica ion o unc ional g oups, cha ac e iza ion o chemical bonds, de ec ion o o ganic-ino ganic
in e ac ions, moni o ing o su ace chemis y changes, and con i ma ion o molecula s uc u e. I o e s
molecula -le el in o ma ion and is non-des uc i e, making i ideal o analyzing sensi i e samples. One
o i s key s eng hs is he apid iden i ica ion o unc ional g oups, wi h he possibili y o pe o ming
quan i a i e analysis. Addi ionally, i equi es minimal sample p epa a ion, u he enhancing i s
e iciency and p ac icali y.
Howe e , he echnique also has some limi a ions. I may exhibi limi ed sensi i i y o ce ain
chemical bonds, and he p esence o wa e in aqueous samples can in e e e wi h measu emen s.
O e lapping abso p ion bands can complica e spec al in e p e a ion, and in ansmission mode, he
sample’s hickness can signi ican ly a ec accu acy. In ATR (A enua ed To al Re lec ance) mode, he
echnique also has a limi ed pene a ion dep h, which may es ic analysis o su ace laye s only.
Rele ance o MNLBW: FTIR is essen ial o con i ming he success ul inco po a ion o biodeg adable
was e componen s and iden i ying he unc ional g oups esponsible o enhanced adso p ion. I helps
unde s and he chemical in e ac ions be ween o ganic was e componen s and magne i e su aces.
Ad anced cha ac e iza ion echniques o magne i e Nanopa icles Loaded wi h Biodeg adable Was e: ..
Ma e ials Science: Ad ances in Syn hesis, Cha ac e iza ion and Applica ions (Vol. 1) - Digamba M. Sapkal,
Ha shal M. Bachha , Gau a Mahade Loha , Sanjay P. Khai na (Eds.)
ISBN: 978-93-95369-55-8 (pape back) 978-93-95369-46-6 (elec onic) | © 2025 Ad en Publishing.
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3.5. Ene gy Dispe si e X-Ray Spec oscopy (EDX)
P inciple o ope a ion: EDX analyzes he cha ac e is ic x- ays emi ed when a oms in he sample a e exci ed
by an elec on beam. Each elemen p oduces unique X- ay signa u es, enabling quali a i e and semi-
quan i a i e elemen al analysis he echnique is o en coupled wi h SEM o simul aneous mo phological and
composi ional analysis.
Equipmen Used: EDX de ec o in eg a ed wi h SEM, Be yllium window o ligh elemen de ec ion,
Liquid ni ogen cooling sys em Analysis so wa e o peak iden i ica ion and quan i ica ion.
This echnique is widely used o measu e elemen al composi ion in e ms o bo h a omic and
weigh pe cen ages, map he spa ial dis ibu ion o elemen s, iden i y phase composi ion, de ec
impu i ies, and assess he uni o mi y o su ace coa ings. One o i s majo ad an ages is ha i can be
pe o med simul aneously wi h SEM imaging, allowing o de ailed co ela ion be ween mo phology and
composi ion. I suppo s mul i-elemen analysis and p o ides spa ial esolu ion a he mic ome e scale,
wi h minimal sample p epa a ion equi ed. Addi ionally, i enables eal- ime analysis, making i e icien
o apid cha ac e iza ion.
Howe e , he echnique has ce ain limi a ions. I shows limi ed sensi i i y o ligh elemen s, has
a ela i ely poo de ec ion limi ( ypically g ea e han 0.1 w . %), and quan i a i e analysis can be
a ec ed by ma ix e ec s. Beam damage may occu in sensi i e o o ganic samples, and he me hod
o e s limi ed dep h esolu ion, p ima ily p o iding su ace o nea -su ace elemen al in o ma ion.
Rele ance o MNLBW: EDX con i ms he elemen al composi ion and helps e i y he
inco po a ion o elemen s om biodeg adable was e in o he magne i e s uc u e. I 's pa icula ly use ul
o de ec ing ace elemen s ha may enhance adso p ion p ope ies o speci ic con aminan s.
3.6. B unaue -Emme -Telle (BET) su ace a ea analysis
P inciple o Ope a ion: BET analysis measu es speci ic su ace a ea and po e cha ac e is ics by
analyzing he adso p ion and deso p ion o ine gas ( ypically ni ogen) a liquid ni ogen empe a u e.
The echnique applies he BET heo y o calcula e su ace a ea om he adso p ion iso he m in he
ela i e p essu e ange o 0.05-0.35.
Equipmen Used: Su ace a ea analyze wi h liquid ni ogen cooling, Degassing s a ion o sample
p e ea men , High-pu i y ni ogen gas supply, Vacuum sys em and p essu e ansduce Sample ubes and
il e od
This echnique is employed o measu e speci ic su ace a ea (exp essed in m²/g), o al po e
olume (in cm³/g), a e age po e diame e , po e size dis ibu ion, and o pe o m de ailed analysis o
mic opo es and mesopo es. I ollows a s anda dized me hodology, ensu ing high p ecision and accu acy,
and is widely accep ed o comp ehensi e po e cha ac e iza ion. The da a ob ained is pa icula ly aluable
as i co ela es well wi h he ma e ial's adso p ion capaci y, making i use ul o applica ions such as
ca alysis and wa e ea men .
