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Last Updated: Jul 29, 2002
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UOP887-89
Rhenium in Perrhenic Acid and Ammonium Perrhenate by Spectrophotometry
Rhenium in Perrhenic Acid and Ammonium Perrhenate by Spectrophotometry
UOP887-89
UOP|UOP887-89|en-US
Rhenium in Perrhenic Acid and Ammonium Perrhenate by Spectrophotometry
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Rhenium in Perrhenic Acid and Ammonium Perrhenate by Spectrophotometry>
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This method is for determining rhenium in relatively pure perrhenic acid and ammonium perrhenate over a concentration range from 40 to 70 mass-%. Molybdenum is an interference when it is present at concentrations higher than 10% of the rhenium content. Molybdenum can be determined by UOP Method 833. Other elements that produce colored ions in the dissolution or color-development step constitute a positive interference.