Vietnam or Thailand ? Vote for the TOP Country of the Week !
Updated: June 3, 2025
It is certain, however, that the gelatinous material which readily separates from such solutions is of the nature of a hydrogel, that is, a colloid which is insoluble in water. PROCEDURE. Evaporate the solution of the fusion to dryness, stirring frequently until the residue is a dry powder.
Word Of The Day
Others Looking