British Abstracts: Pure chemistry and physiology. ser. A1932 |
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... determined by absorbing with N - NaOH and 30 % Na2S2O4 in 2N - KOH , respectively , and noting the decrease in pressure . The usual error in analysis of air is ± 0.05 vol .- % , but a trace of N2 in a 50 - c.c . sample of O2 or CO2 can ...
... determined by absorbing with N - NaOH and 30 % Na2S2O4 in 2N - KOH , respectively , and noting the decrease in pressure . The usual error in analysis of air is ± 0.05 vol .- % , but a trace of N2 in a 50 - c.c . sample of O2 or CO2 can ...
Trang 640
... determined by this method . F. O. HowITT . Determination of urea in urine by means of hydrolysis . S. L. LEIBOFF and B. S. KAHN ( J. Lab . Clin . Med . , 1931 , 17 , 77-78 ) .— The urine is treated with permutite to remove NH3 ...
... determined by this method . F. O. HowITT . Determination of urea in urine by means of hydrolysis . S. L. LEIBOFF and B. S. KAHN ( J. Lab . Clin . Med . , 1931 , 17 , 77-78 ) .— The urine is treated with permutite to remove NH3 ...
Trang 1182
... determined ) is pptd . with tropaolin - 00 , the ppt . ( C36H28O6NGS , Mg ) dissolved in conc . H2SO4 , and the Mg content of the solution determined colorimetrically . The error is < 5 % . The method can be applied gravimetrically in ...
... determined ) is pptd . with tropaolin - 00 , the ppt . ( C36H28O6NGS , Mg ) dissolved in conc . H2SO4 , and the Mg content of the solution determined colorimetrically . The error is < 5 % . The method can be applied gravimetrically in ...
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Kinetic Theory Thermodynamics | 9 |
Electrochemistry | 23 |
Reactions | 336 |
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A. A. ELDRIDGE A. B. D. CASSIE absorption Ac derivative Ac₂O acetate acid AcOH action activity adsorption affords alcohol aldehyde alkali Amer approx atoms Biochem Biol C. A. SILBERRAD C. J. WEST calc catalytic CHCl3 Chem CHEMICAL ABSTRACTS Chim chloride CO₂ coeff colloidal compounds Compt conc concn const containing converted cryst crystals CUTHILL decomp decreases determined diazotised E. S. HEDGES effect electrolytes electrons enzyme ergosterol ester ether EtOH F. O. HowITT formation formed gives glucose glycerol H. F. GILLBE H₂ H₂O H₂SO heated hydrochloride hydrogen hydrolysis increase ions isomerisation ketone L. S. THEOBALD liquid MeOH method mixture N. M. BLIGH NaOH nitrate obtained oxidation oxidised oxime phenols Physical Rev Physik picrate piperidine prep prepared presence protein pyridine reaction reduced rend salts semicarbazone solution substance velocity viscosity whilst yield Zentr