… meerschaum with binding agents (oils, alum, etc.) under the influence of heat. It falls here only when in plates, rods, … 05.10 . Agglomerated amber (or ambroid) is an opaque mineral substance formed by agglomerating amber …
… case of crystalline substances, distortions in the lattice due to the insertion or substitution of atoms with different … are not decolourising agents. On the other hand, in aqueous suspension they establish powerful electrostatic …
