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The removal of Cr(VI) from aqueous solution using the seeds of the plant species Strychnos potatorum was studied. The plant is popularly known as Nirmali tree, grown all over India. The dried Nirmali seeds were powdered and used as adsorbent. The SEM‐EDX and FT‐IR spectrum of the adsorbent revealed that the powder is fibrous in nature and contains functional groups such as —OH and —COOH. The zeta...
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