Assertion: hypophosphorous acid | /r/AtLocation | addition
Facets:
Source sentences:
text: In addition, triethanolamine comprising phosphorous and/or hypophosphorous acid and an alkali metal hydroxide or alkaline earth metal hydroxide, where in the case of alkali metal hydroxide the molar ratio of acid(s):hydroxide is in the range from 1:0.1 to 1:1 and in the case of alkaline earth metal hydroxide the molar ratio of acid(s):hydroxide is in the range from 1:0.05 to 1:0.5, has been found.