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UOP Standard Withdrawn, Replaced Last Updated: Jul 29, 2002 Track Document

UOP823-90

Platinum in Fresh Platinum-Rhenium Catalysts by Spectrophotometry

Platinum in Fresh Platinum-Rhenium Catalysts by Spectrophotometry UOP823-90 UOP|UOP823-90|en-US Platinum in Fresh Platinum-Rhenium Catalysts by Spectrophotometry Standard Platinum in Fresh Platinum-Rhenium Catalysts by Spectrophotometry> new

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This method is for determining platinum in fresh gamma-alumina catalysts containing rhenium but not molybdenum. Elements that produce colored ions in the color-development step, such as rhenium, constitute a positive interference, however, compensation for these interfering elements is made with an isoamyl acetate extraction. Concentrations of silica up to approximately 150 ppm do not interfere.

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Platinum in Fresh Platinum-Rhenium Catalysts by Spectrophotometry

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