Determination of Total Chromium and Chromium Species in Kombolcha Tannery Wastewater, Surrounding Soil, and Lettuce Plant Samples, South Wollo, Ethiopia

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Industry</td><td class="align_center">Site</td><td class="align_center">Amount added (ppm)</td><td class="align_center">Amount recorded (ppm)</td><td class="align_center">Recovery (%)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left" rowspan="9">Kombolcha leather industry</td><td class="align_center">KW1</td><td class="align_center">247.160</td><td class="align_center">1088.826</td><td class="align_center">107.2</td></tr><tr><td class="align_center">KW2</td><td class="align_center">11.570</td><td class="align_center">34.340</td><td class="align_center">96.8</td></tr><tr><td class="align_center">KW3</td><td class="align_center">7.230</td><td class="align_center">18.947</td><td class="align_center">95.4</td></tr><tr><td class="align_center">KW4</td><td class="align_center">0.868</td><td class="align_center">2.047</td><td class="align_center">93.0</td></tr><tr><td class="align_center" colspan="3">Average</td><td class="align_center"><span style="width: 50.8374ptpx;"><svg height="8.69875pt" id="M6" style="vertical-align:-0.3499298pt" version="1.1" viewbox="-0.0498162 -8.34882 50.8374 8.69875" width="50.8374pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M244 635C114 635 38 519 38 422C38 317 111 240 217 240C236 240 255 244 277 256L345 292C311 140 203 39 59 15L64 -15C89 -15 150 -5 204 17C339 72 440 202 440 386C440 521 368 635 244 635ZM228 602C326 602 352 479 352 390C352 370 351 347 348 324C327 308 293 296 258 296C174 296 124 369 124 458C124 517 152 602 228 602Z" id="g113-58"></path></g><g transform="matrix(.013,0,0,-0.013,6.241,0)"><path d="M249 635C141 635 70 555 70 471C70 401 114 353 179 316C143 294 106 267 90 252C68 231 45 202 45 157C45 50 130 -12 237 -12C322 -12 435 52 435 169C435 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class="align_center">KPLS</td><td class="align_center">0.918</td><td class="align_center">2.172</td><td class="align_center"><span style="width: 50.8374ptpx;"><svg height="8.69875pt" id="M7" style="vertical-align:-0.3499298pt" version="1.1" viewbox="-0.0498162 -8.34882 50.8374 8.69875" width="50.8374pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M244 635C114 635 38 519 38 422C38 317 111 240 217 240C236 240 255 244 277 256L345 292C311 140 203 39 59 15L64 -15C89 -15 150 -5 204 17C339 72 440 202 440 386C440 521 368 635 244 635ZM228 602C326 602 352 479 352 390C352 370 351 347 348 324C327 308 293 296 258 296C174 296 124 369 124 458C124 517 152 602 228 602Z" id="g113-58"></path></g><g transform="matrix(.013,0,0,-0.013,6.241,0)"><path d="M285 378C315 398 338 416 353 432C373 451 384 474 384 503C384 579 325 635 236 635H235C182 635 136 610 108 579L65 516L85 496C110 533 150 575 205 575C258 575 300 543 300 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id="g113-52"></path></g></svg></span></td></tr><tr><td class="align_center">KPRS</td><td class="align_center">1.533</td><td class="align_center">3.651</td><td class="align_center"><span style="width: 21.8649ptpx;"><svg height="8.55521pt" id="M8" style="vertical-align:-0.2063904pt" version="1.1" viewbox="-0.0498162 -8.34882 21.8649 8.55521" width="21.8649pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M244 635C114 635 38 519 38 422C38 317 111 240 217 240C236 240 255 244 277 256L345 292C311 140 203 39 59 15L64 -15C89 -15 150 -5 204 17C339 72 440 202 440 386C440 521 368 635 244 635ZM228 602C326 602 352 479 352 390C352 370 351 347 348 324C327 308 293 296 258 296C174 296 124 369 124 458C124 517 152 602 228 602Z" id="g113-58"></path></g><g transform="matrix(.013,0,0,-0.013,6.241,0)"><path d="M153 550H386L412 615L406 623H120L82 318C104 327 142 338 184 338C294 338 347 275 347 187C347 112 305 39 221 39C160 39 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613 172 594 109 583V559L157 557C201 555 205 550 205 499V114C205 42 199 34 109 27V0H384Z" id="g113-50"></path></g></svg></span></td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td>K = Kombolcha, W = wastewater sample, S = soil sample, PLS = plant leaf sample, and PRS = plant root sample.<br/></td></tr></table>

Recovery test of total Cr by FAAS for tannery wastewater, soil, and plant samples.

Advances in Chemistry

tab1

Table 1

Table 1: Determination of Total Chromium and Chromium Species in Kombolcha Tannery Wastewater, Surrounding Soil, and Lettuce Plant Samples, South Wollo, Ethiopia 

Table 1 | Determination of Total Chromium and Chromium Species in Kombolcha Tannery Wastewater, Surrounding Soil, and Lettuce Plant Samples, South Wollo, Ethiopia 