Process for preparing hemipotassium phosphate

Details Process for preparing hemipotassium phosphate Process for preparing hemipotassium phosphate

1998-07-13

2000-04-18

Langel, Wayne

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

C01B 2530

Patent

active

060512008

ABSTRACT:
There is disclosed a novel process for preparing hemipotassium phosphate useful as an acidulant for beverages. An equimolar mixture of monopotassium phosphate and phosphoric acid is heated to a temperature above 100.degree. C. cooled with vigorous agitation whereby the liquid loses its free water and crystallizes to a relatively dry crystalline mass. When prepared by the process of this invention hemipotassium phosphate provides a dry, flowable, crystalline product which can be transported and handled easily.

REFERENCES:
patent: 2715059 (1955-08-01), Miller
patent: 2851360 (1958-09-01), Diller
patent: 3554729 (1971-01-01), Curless
patent: 3966994 (1976-06-01), Kennedy
patent: 5114460 (1992-05-01), Nguyen et al.
A. Chretien et al., "Nouveau Traite de Chime Mineral Paul Pascal" (Vol. II) (Masson & Co. 1963) pp. 504 and 533.
"Gmelins Handbuch der Anorganischen Chemie" Kalium Lieferung 5(1938) p. 1002.

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