"0"^^ . . . . . . "0"^^ . . . "dichromic acid"^^ . "dichromic acid"@en-us . "114161541"@en-us . . "15013577-n"^^ . "the hypothetical acid (H2Cr2O7) from which dichromates are derived; known only in solution and in the form of dichromate salts"@en-us . "110775588"@en-us . . "115013577"^^ . .