Some New Compounds of Urea with Acids and SaltsChemical Publishing Company, 1903 - 27 trang |
Thuật ngữ và cụm từ thông dụng
acids and salts ammonia residue ammonium cyanate ammonium iodide ammonium sulphate ANALYSIS aqueous solution calcium bromide Calcium oxalate Calculated for NH2.CO.NH2 carbamide cent chloride.¹ Urea chosen for examination compound was recrystallized compounds of urea concentrated solutions crystals were chosen cyanic ions Decompose at 130 Decomposed by alcohol equal numbers ether filtered formed Found Gmelin's Handbook Handbook of Chemistry hydrobromic acid hydrofluoric acid ignited Melts mixing the concentrated molecular proportion 1:1 molecule for molecule molecules of urea nitrogen nitrous acid numbers of molecules perfect crystals platinum tetrabromide precipitated Prepared by mixing prisms Selenic acid shining silver chloride slightly deliquescent sodium bromide sodium iodide sodium nitrite sodium salicylate Soluble in alcohol Soluble in water solutions of urea substance sulphuric acid desiccator temperature urea butyrate UREA HYDROFLUORATE urea nitrite Urea sulphate Urea with ammonium Urea with calcium UREA WITH COPPER Urea with sodium UREA WITH UREA Urea with zinc urine water and alcohol