Ammonium →

HRID 1078535Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1078535
[P].[NH4+:2].[FH:3].[FH:4].[F:5][Si:6]([F:9])([F:8])[F:7]>O>[NH4+:2].[NH4+:2].[F:5][Si-2:6]([F:4])([F:3])([F:9])([F:8])[F:7]

Komponenten

4

Reagenzien, Katalysatoren, Lösungsmittel 1

Versuchsvorschrift

Phossy water used to condense elemental phosphorus was neutralized by adding alkaline ammonium compounds instead of soda ash. The ammonium compounds reacted with fluosilicic acid in the phossy water to form ammonium fluosilicate which has greater solubility in water than does sodium fluosilicate. Nevertheless, sodium and potassium fluosilicates continued to precipitate in phossy water because sodium and potassium compounds volatilize from the phosphorus furnace and sufficient sodium and potassium collects in the phossy water to form scales.

Quellen und Nachweise

ORD-Eintrag
ord-7d3bd7b344794e218a391be350e35963
Quelldatensatz
uspto-grants-1996_08
Patentnummer
US05549878

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