SPESIASI Cr(III) DAN Cr(VI) PADA LIMBAH CAIR INDUSTRI ELEKTROPLATING | Zendy

Dian Windy Dwiasi | Zendy; Dwi Kartika | Zendy

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SPESIASI Cr(III) DAN Cr(VI) PADA LIMBAH CAIR INDUSTRI ELEKTROPLATING

Author(s) -

Dian Windy Dwiasi,

Dwi Kartika

Publication year - 2008

Publication title -

molekul

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.125

H-Index - 2

eISSN - 2503-0310

pISSN - 1907-9761

DOI - 10.20884/1.jm.2008.3.2.52

Subject(s) - hexavalent chromium , chromium , wastewater , chemistry , nuclear chemistry , atomic absorption spectroscopy , calibration curve , detection limit , chromatography , environmental science , environmental engineering , physics , organic chemistry , quantum mechanics

Speciation of Cr(III) and Cr(VI) in wastewater have been widely investigated. The species of Cr(III) and Cr(VI) in wastewater samples were determined by UV – Vis Spectrometry and Atomic Absorption Spectrometry (AAS). The method described is based upon the spectrophotometric determination of the magenta chromagen (λmax = 545 nm) formed when 1,5-diphenylcarbazide reacts with hexavalent chromium in sulphuric acid solution. Hexavalent chromium are determined by a calibration curve technique. The result showed that Cr(VI) concentration are still on the government regulation (Menteri Negara Kependudukan dan Lingkungan Hidup No. 03/MENKLH/II/1991).

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