British Abstracts: Pure chemistry and physiology. ser. A1941 |
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Trang 49
... heated with NaOH and the alkaline solution is acidified . BzOH is removed from the ppt . , which , after purification through the acetate , gives roseopurpurin ( I ) , C16H12O6 , m.p. 278-280 ° ( decomp .; slowly heated ) , 285 ...
... heated with NaOH and the alkaline solution is acidified . BzOH is removed from the ppt . , which , after purification through the acetate , gives roseopurpurin ( I ) , C16H12O6 , m.p. 278-280 ° ( decomp .; slowly heated ) , 285 ...
Trang 103
... heated gives an oil which yields a semicarbazone , m.p. 142 ° ( decomp . ) . Further benzoylation of ( II ) gives the ay - Bz , derivative ( III ) , m.p. 194 ° ( decomp . ) , which when heated at 200 ° / 40 mm . gives a compound ...
... heated gives an oil which yields a semicarbazone , m.p. 142 ° ( decomp . ) . Further benzoylation of ( II ) gives the ay - Bz , derivative ( III ) , m.p. 194 ° ( decomp . ) , which when heated at 200 ° / 40 mm . gives a compound ...
Trang 147
... Heated and acetylated extracts gave the least satisfactory results . The antigenic relationship of the fresh , formolised , and heated extracts was studied by means of the Dale test . The formolised and heated extracts showed a ...
... Heated and acetylated extracts gave the least satisfactory results . The antigenic relationship of the fresh , formolised , and heated extracts was studied by means of the Dale test . The formolised and heated extracts showed a ...
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General Physical and Inorganic Chemistry I II Subatomics | 1 |
Molecular Structure | 3 |
Crystal Structure | 5 |
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absorption Acad acid activation energy activity adsorbed adsorption alloys Amer analysis approx ation atoms bands calc catalyst Chem chemical CO₂ coeff colloidal compounds Compt concn const containing crystal curves decomp decreases deposits described determined deuterons diffraction diffusion discussed effect electrolytes electron emission energy entropy equation equilibrium EtOH ferromagnetic films formation formed glass H₂ H₂O heat hydrogen hysteresis increases indicate Instr intensity ionisation ions Kolloid lattice layer liquid magnetic Me.v measured mesons mesotrons metals method minerals mixtures monoclinic neutrons observed obtained oxidation particles PhOH Phys Physical Chem Physical Rev polarisation potential presence pressure Proc protons quartz radioactive reaction Russ salts Shurn solid solid solutions sols solubility solutions solvent spectra spectrum structure surface temp theory thermal titration unit cell vals vapour velocity viscosity X-ray