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UOP 823-90
- Platinum in Fresh Platinum-Rhenium Catalysts by Spectrophotometry
- standard by UOP LLC, A Honeywell Company, 01/01/1990
- Publisher: UOP
$128.00$256.00
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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