messages: In both of the aforesaid embodiments the amount of hydrofluoric acid introduced into the silica will be approximately equal to the total pore volume of the silica treated.
messages: assistant
messages: ?
messages: user
messages: Dans l'un et l'autre cas, la quantité de solution d'acide fluorhydrique introduite dans la silice sera environ égale au volume poreux total de la silice traitée.
messages: assistant