Page 54 - Proceedings book
P. 54

mqrdúoHd fomd¾;fïka;=j

                       3'4 tlaia lsrK m%;s§ma; (X-ray fluorescence [XRF]) mßCIdjkays m%;sM,


                       fhdaOjej m¾fhaIKfha § mdxY= ksheÈ yd fndr fldgia iïnkaOfhka isÿ lrk ,o
                       tlaia lsrK m%;s§ma; mßCIdjka ;=<ska wkdjrKh lr .;a m%;sM, j.=j 4ys fmkajd

                       § ;sfí'

                       fhdaOjej  mdxY=  ksheos  mÍCIdfõ  m%;sM,  -  iuia;  wOHhk  l,dmh  ksfhdackh  jk
                       f,i w;am;a lr .kakd ,o mdxY= ksheÈ mßCId lsÍfï § meyeÈ,s jQ m%Odk ldrKhla

                       jQfha m<uq leKSu wdikak l,dmfhys mia w;r ;U (Cu) jeä m%;sY;hla wka;¾.;
                       ù we;s njhs' th by< uyoaùmsl lfnd, (UCC) ys w.h 28 ppm f,i igyka fjoa§

                       mßY%fhys Wmßuh 470  ppm olajd jQ w.hla .kakd nj úoHudk úh' ta yefrkakg

                       fuu l,dmfhka fidhd .kakd ,o fldaj len,sj, wNHka;r mdofï fuka u ia,e.aj,
                       o ;U fYaI igyka j ;snqKs' fiiq uQ,øjH yd tajdfhys meje;au iïnkaOfhka mq¿,a
                       ú.%yhla  l;=jreka  lsysm  fofkl=  úiska  ñka  fmr  m¾fhaIK  m;%sldjl  olajd  ;sfí

                       (Wijepala, Young and Ishiga, 2023)'

                       fhdaOjej  fndr  fldgia  úYaf,aIKfha  m%;sM,  -  fhdaOjej  wOHhkfha  §  m%Odk
                       jYfhka wdldr lsysmhl fndr fldgia y÷kd .ekSug yels úh' tys úfYaI;ajh kï

                       hlv (Fe2O3) wka;¾.;h wkqj tajd f,dayuh ^jeä nr& fndr yd ùÿreuh ^wvq nr&

                       fndr f,i uQ,sl j¾.SlrKhla bÈßm;a l< yels ùuhs ^j.=j 4&' fuu fndr fldgia
                       iïnkaOfhka o by; m¾fhaIKfha §  (ibid, 2023) mq¿,a ú.%yla isÿ fldg we;s w;r"

                       iuia;h úYaf,aIKh lsÍfuka ;yjqre jQfha tajd tlsfklg fjkia f,day lghq;=j,
                       m%;sM, jk njhs'


                       4' iudf,dapkh


                       ukakdru fhdaOjej msgjdk wdikakfha 2018 j¾Ifha isÿ lrk ,o m¾fhaIKfhka
                       Y%S  ,xldfõ  W;=re  ;eks;,d  ìfuys  wju  ;rñka  jir  800l  muK  ld,hl  mej;s

                       merKs f,day jev ms<sn| idOl wkdjrKh lr .; yels úh' ;j o th uE; ld,Skj
                       Y%S ,xldfõ isÿ lrk ,o fldaj jdfka ksIamdokhg wod< jeo.;a u f;dr;=re bÈßm;a
                       lrk ,o wOHhkhhs' iuia; mqrdúoHd mßY%fhys ia:ÍlrKh mÍCId lsÍfï § meyeÈ,s

                       jQfha tlsfklg wdikakfha mj;akd ixialD;sl ia:r foll wÈka jir oyil muK
                       w;S;hg wh;a mqrdúoHd idOl .eí j we;s njhs' ksYaÑ; f,i wkdjrKh lr .;a
                       udkjlD;s yd iajNdjlD;s 14017la N+ñfhys w;S; isÿùï ms<sn| me;slvla f,i l%shd

                       lrhs' fuu m¾fhaIKfha § y÷kd .kakd ,o m%Odk;u wkdjrKh kï w¾O ljdldr
                       m;=,la iys; j lD;%su jdhq iemhSulska l%shd;aul jk mßÈ ks¾udKh lrk ,o fldaj

                       jdfka ksIamdokh i|yd fhdod .kakd ,o Wÿkhs' ;j o ol=Kq bkaÈhdkq fldavquk,a
                       jeks  ia:dkj,ska  tjeks  idOl  ñka  fmr  wkdjrKh  ù  we;;a"  Y%S  ,xldfjka  tjeks


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