British Abstracts: Pure chemistry and physiology. ser. A1941 |
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... [ EtOH ] 0.257 g - mol . per 1. It decreases rapidly with increasing [ EtOH ] > 0 · 77 g . - mol . per 1. It is assumed that at lower [ EtOH ] the foam production and stabilisation are due to the saponin and EtOH , respectively , but that ...
... [ EtOH ] 0.257 g - mol . per 1. It decreases rapidly with increasing [ EtOH ] > 0 · 77 g . - mol . per 1. It is assumed that at lower [ EtOH ] the foam production and stabilisation are due to the saponin and EtOH , respectively , but that ...
Trang 199
... EtOH - KOH followed by CrO , -AcOH at 20 ° and then KI- EtOH , ( III ) gives 23 - bromo - 4 - dehydrotigogenone , decomp . 214 ° . R. S. C. Sterols . CXVI . Sapogenins . XLV . isoSarsasapogenin configuration . R. E. Marker , D. L. ...
... EtOH - KOH followed by CrO , -AcOH at 20 ° and then KI- EtOH , ( III ) gives 23 - bromo - 4 - dehydrotigogenone , decomp . 214 ° . R. S. C. Sterols . CXVI . Sapogenins . XLV . isoSarsasapogenin configuration . R. E. Marker , D. L. ...
Trang 229
... ( EtOH - KOH ) give -tigogenone , m.p. 108-111 ° , which with HCl - EtOH regenerates ( I ) , is oxidised by CrO , -AcOH at 25-28 to A1 - allopregnene - 3 : 20 - dione , and hydrogenated ( PtO ; AcOH ; 3 atm . ) to tetrahydro - 4 ...
... ( EtOH - KOH ) give -tigogenone , m.p. 108-111 ° , which with HCl - EtOH regenerates ( I ) , is oxidised by CrO , -AcOH at 25-28 to A1 - allopregnene - 3 : 20 - dione , and hydrogenated ( PtO ; AcOH ; 3 atm . ) to tetrahydro - 4 ...
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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