Research Article
Determination of Total Chromium and Chromium Species in Kombolcha Tannery Wastewater, Surrounding Soil, and Lettuce Plant Samples, South Wollo, Ethiopia
Table 3
Distribution of total Cr, Cr(VI), and Cr(III) concentration (mean ± SD; mg/L for wastewater samples and µg/g for soil and plant samples) in different sites of Kombolcha leather industry.
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a = mg/L for wastewater samples; b = µg/kg for soil and plant samples. |