Assertion: hypophosphorous acid | /r/HasProperty | prepared
Facets:
value: in 1816
type: TEMPORAL
value: by the french chemist
type: OTHER
value: by treating nah 2 po
type: MANNER
Source sentences:
text: Hypophosphorous acid was first prepared in 1816 by the French chemist Pierre Louis Dulong (1785–1838).
text: However, if phosphorous acid is being prepared, higher temperatures, while not preferred, can be used since phosphorous acid is more stable and does not decompose as readily into phosphine.
text: Hypophosphorous acid was first prepared in 1816 by the French chemist Pierre Louis Dulong (1785–1838).
text: Hypophosphorous acid, H 3 PO 2 , may be prepared by treating NaH 2 PO 2 with an ion-exchange resin.
text: However, if phosphorous acid is being prepared, higher temperatures, while not preferred, can be used since phosphorous acid is more stable and does not decompose as readily into phosphine.