DETER/vf!N,1 T!ON OF 1FIF.. CF:VEL OF CHR01HTU1Vf IN THJ:: DJSCTTARGED  • EFFLUENT OF BAHJR DAR TANNERY U!:>'ING lNDUCTJVJ::LY COUPLED  Pl.AS;\4A OP'n.CAL J.::WTSS!ON Sf'ECTHOSCOPYAND UV-VTSTBLE  •  •  BAHTR DAR UN1VERSTTY COLLEGE OF scrrxce  CfffiM1STRY J>EPAR1'l\1ENT  SPECTROI'HOTO?vfETRY

FIKIRTE, zewude

dc.contributor.author	FIKIRTE, zewude
dc.date.accessioned	2018-06-26T04:43:22Z
dc.date.available	2018-06-26T04:43:22Z
dc.date.issued	2018-06-20
dc.identifier.uri	http://hdl.handle.net/123456789/8765
dc.description.abstract	he level ofchromimn species (toto! chromium. C/'(111; and Cr(Vl)) i11 the disch<1rge(l effluent of' Bahir Dar 'l annery wue determined using two analytical methods. Tota! chromium concentration in the sampfc.. IJ.<ing ind1tc>live!1' coupled plasma optical emtssion spectroscopy (lCP-OES). the Cr(VI) level using UV-Vi8ih.le spectrophotometry and !hi• level of' Cr(/11) hy subtracting the TJV-Vis result from the /Cl'-OFS. 11w 10/a/ chromium concentration varies significamly in 1h1~ ,J'fr;.1enl before (S1j (81.4.J.0. ZO ppm) and after (.'>;j (1. 96-0.04 ppm! • .. ,_ I 1. 11\TRODUCTION Water is an essential for Imman survival and inreatment. the si,.dy sho .... cd the level oftotal chromium to he higher than the permissible level that could discharge to river waler (2 ppm} by Ethiopia. On tile other hand, die concemrauon •1' chromi11m(flj was 0.18·/J.U.04 and 0.084+0.0/ ppm before and after treatment showing that the c1}!ud11 discharges the carcinogenic chromium species in a level not above 1/Je recommended level by diffcrem coumries guideline» including Ethiopia .	en_US
dc.language.iso	en_US	en_US
dc.subject	chemistry	en_US
dc.title	DETER/vf!N,1 T!ON OF 1FIF.. CF:VEL OF CHR01HTU1Vf IN THJ:: DJSCTTARGED • EFFLUENT OF BAHJR DAR TANNERY U!:>'ING lNDUCTJVJ::LY COUPLED Pl.AS;\4A OP'n.CAL J.::WTSS!ON Sf'ECTHOSCOPYAND UV-VTSTBLE • • BAHTR DAR UN1VERSTTY COLLEGE OF scrrxce CfffiM1STRY J>EPAR1'l\1ENT SPECTROI'HOTO?vfETRY	en_US
dc.type	Thesis	en_US