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ASTM International - ASTM UOP887-89

Rhenium in Perrhenic Acid and Ammonium Perrhenate by Spectrophotometry

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Organization: ASTM International
Publication Date: 29 July 2002
Status: inactive
Page Count: 7
scope:

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.

Document History

ASTM UOP887-89
July 29, 2002
Rhenium in Perrhenic Acid and Ammonium Perrhenate by Spectrophotometry
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...
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