British Abstracts: Pure chemistry and physiology. ser. A1926 |
Từ bên trong sách
Kết quả 1-5 trong 100
Trang 10
... latter will move towards the red end of the spectrum and increase in intensity when a certain alkalinity is reached . The presence of an hydroxyl group in the benzene ring of the compound seems essential . In the case of tyrosine , the ...
... latter will move towards the red end of the spectrum and increase in intensity when a certain alkalinity is reached . The presence of an hydroxyl group in the benzene ring of the compound seems essential . In the case of tyrosine , the ...
Trang 11
... latter are obtained from the limiting value of the continuous absorption spectrum of the ion , by adding , in the case of an anion , or subtracting , in the case of a cation , the Coulomb portion of the lattice energy to the electron ...
... latter are obtained from the limiting value of the continuous absorption spectrum of the ion , by adding , in the case of an anion , or subtracting , in the case of a cation , the Coulomb portion of the lattice energy to the electron ...
Trang 27
... latter portion of the curve being inclined at a greater angle to the abscissæ axis , due to the heat of fusion of the potassium chloride ( m . p . 774 ° ) , the system above this temperature being of the type solid solid + liquid + gas ...
... latter portion of the curve being inclined at a greater angle to the abscissæ axis , due to the heat of fusion of the potassium chloride ( m . p . 774 ° ) , the system above this temperature being of the type solid solid + liquid + gas ...
Trang 73
... latter compound is trans- formed by amalgamated zinc and hydrochloric acid into deoxyoctahydrodianhydrostrophanthidin , C2H36O3 , m . p . 224 ° . H. WREN . of Strophanthin . VIII . Carbonyl group strophanthin . W. A. JACOBS and A. M. ...
... latter compound is trans- formed by amalgamated zinc and hydrochloric acid into deoxyoctahydrodianhydrostrophanthidin , C2H36O3 , m . p . 224 ° . H. WREN . of Strophanthin . VIII . Carbonyl group strophanthin . W. A. JACOBS and A. M. ...
Trang 74
... latter substance is transformed by sodium hydroxide into 2 : 4 - diphenylfuran , m . p . 110 ° . H. WREN . · Transformation of ethyl benzoylacetate by concentrated and fuming sulphuric acid . F. FEIST [ with H. PAUSCHARDT and H. DIBBERN ] ...
... latter substance is transformed by sodium hydroxide into 2 : 4 - diphenylfuran , m . p . 110 ° . H. WREN . · Transformation of ethyl benzoylacetate by concentrated and fuming sulphuric acid . F. FEIST [ with H. PAUSCHARDT and H. DIBBERN ] ...
Ấn bản in khác - Xem tất cả
Thuật ngữ và cụm từ thông dụng
A. A. ELDRIDGE absorption acetic acid acetic anhydride acetone action activity adsorption alcohol alkali aluminium aluminium chloride Amer ammonia ammonium anhydride aqueous solution atoms barium benzene benzyl Biochem boiling bromide calcium carbon dioxide catalyst Chem chemical chim chloric acid colloidal colour compounds concentration condensation containing converted copper corresponding crystallisation crystals curve decomp decomposition derivatives determined dextrose dilute dissociation effect electrolytes electrons ester ether ethyl ethyl alcohol F. G. WILLSON formation formed gives heated hydrate hydrazine hydrochloric acid hydrogen chloride hydrolysis increase iodide iodine ionisation ions ketone liquid magnesium mercury metals method mixture molecular molecules nickel nitrate nitric acid nitrogen obtained oxalate oxide oxidised oxygen P. W. CLUTTERBUCK phenyl Physik platinum potassium potassium hydroxide precipitate prepared presence pressure protein pyridine reaction reduced salt semicarbazone silver sodium hydroxide sols solubility spectra substances sulphate sulphide sulphuric acid temperature vapour whilst yields zinc