Process for the separation of organic phosphor compounds and other impurities from diluted sulfuric acid

Sulphuric acid containing dilute, organic phosphorus compounds and further impurities, which is produced, for example, in the preparation of sulphonated arylphosphines, is purified by extraction with an amine which is sparingly soluble or insoluble in water.

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Bibliographische Detailangaben
Hauptverfasser: DIEKHAUS, GERHARD, KAPPESSER, HARALD
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:Sulphuric acid containing dilute, organic phosphorus compounds and further impurities, which is produced, for example, in the preparation of sulphonated arylphosphines, is purified by extraction with an amine which is sparingly soluble or insoluble in water.