This section is from the book "Materia Medica Pharmacy, Pharmacology And Therapeutics", by W. Hale White. Also available from Amazon: Materia Medica Pharmacy, Pharmacology And Therapeutics..
Potassii Hypophosphis. Potassium Hypophosphite. Kph2o2=103.91.
From double decomposition of Calcium Hypophosphite and Potassium Carbonate; the Potassium Hypophosphite remains in solution. Ca(Ph2o2)2+K2Co3=CaCo3+2Kph2o2.
Dose, 5 to 20 gr.; .30 to 1.20 gm.