British Abstracts: Pure chemistry and physiology. ser. A1940 |
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Trang 39
... solution is titrated with 0 - IN - Br'- BrO solution . After the appearance of the blue colour the solution is diluted to 250-300 c.c. and the titration completed . PbO2 can be determined by a similar method if H2SO4 and H , PO , are ...
... solution is titrated with 0 - IN - Br'- BrO solution . After the appearance of the blue colour the solution is diluted to 250-300 c.c. and the titration completed . PbO2 can be determined by a similar method if H2SO4 and H , PO , are ...
Trang 173
... solution is used to prevent fading of the red colour at the end- point . The solvent and the solute of this solution must be insol . in H2O . 10 c.c. of a solution of 4 g . of thymol in 100 c.c. of Et2O or CHOH give accurate results ...
... solution is used to prevent fading of the red colour at the end- point . The solvent and the solute of this solution must be insol . in H2O . 10 c.c. of a solution of 4 g . of thymol in 100 c.c. of Et2O or CHOH give accurate results ...
Trang 268
... solution , whereas PO ' ( II ) reacts only after 90 sec . , and P1O , ' ( III ) after a much longer time . To detect ( III ) the solution is saturated with NHI , adjusted just to blue with bromophenol - blue , and boiled with half its ...
... solution , whereas PO ' ( II ) reacts only after 90 sec . , and P1O , ' ( III ) after a much longer time . To detect ( III ) the solution is saturated with NHI , adjusted just to blue with bromophenol - blue , and boiled with half its ...
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EXPERIMENTAL PHYSIOLOGY | |
1940 | 1 |
CHEMISTRY AND RELATED SUBJECTS | |
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absorption absorption spectra Acad acid activation energy activity adsorbed alkali alloys Amer Anal analysis approx ation atoms Atti X Congr bands calc catalyst CCl4 Chem chemical Chim chloride CO₂ coeff colloidal compounds Compt concn const crystals curves decomp decreases described determined deuterons diffusion discussed dissociation effect electrolytes electron emission energy equation equilibrium EtOH Faraday Soc ferromagnetic film formation gases H₂ H₂O heat hydrogen hydrolysis increases intensity ionisation ions isotopes kg.-cal lattice layer liquid magnetic Me.v measured meson mesotrons metals method mixtures N₂ neutrons obtained oxidation paramagnetic particles phase Phys Physical Rev polarisation potential pptd pressure Proc protons Raman reaction rend Russ salts SiO2 solid solid solution solubility solutions solvent spectra spectrum structure surface temp theory thermal titration Trans vals vapour velocity viscosity X-ray