Assertion: solid coloring material | /r/HasProperty | obtained by precipitation
Facets:
value: in aqueous solution
type: OTHER
value: in an aqueous medium
type: LOCATION
Source sentences:
text: According to the essential characteristic of this first subject matter, this solid coloring material is obtained by precipitation, in an aqueous medium, of the reaction product of an alkali metal silicate with a colored complex obtained by reaction, in aqueous solution, of at least one hydrolysable tannin or of a plant extract comprising it with a salt of a metal cation.