Sequential injection method with on-line
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Jay W. Grate; Richard H. Taylor
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Article
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1996
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John Wiley and Sons
β 134 KB
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chromium is soluble in alkaline to slightly acidic waters, whereas trivalent chromium is insoluble or only sparingly soluble under similar conditions. Effluent guidelines of the National Pollutant Elimination Discharge System sets ambient quality requirements for surface waters at 170 mg/l for Cr(II