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Phenolsulphonephthaleins can exist in neutral solutions as three desmotropic forms coloured in the visible ; by fixation of H20 or EtOH they can pass into carbinols and owing to the presence of SO , H ortho to the central C they can ...
Phenolsulphonephthaleins can exist in neutral solutions as three desmotropic forms coloured in the visible ; by fixation of H20 or EtOH they can pass into carbinols and owing to the presence of SO , H ortho to the central C they can ...
Trang 703
In presence of a very large concn . of Cl'ion SnIV gives a well- the range 0.1-0.025m . , with a second - order reaction becoming developed doublet wave , the first part of which corresponds with manifest at lower concns .
In presence of a very large concn . of Cl'ion SnIV gives a well- the range 0.1-0.025m . , with a second - order reaction becoming developed doublet wave , the first part of which corresponds with manifest at lower concns .
Trang 123
The effect of heat on glucose in presence of alkali produces at least two indophenol - reducing substances , one of which may be identical with reductone ( von Euler and Martius , A. , 1933 , 937 ) but the mixture behaves differently ...
The effect of heat on glucose in presence of alkali produces at least two indophenol - reducing substances , one of which may be identical with reductone ( von Euler and Martius , A. , 1933 , 937 ) but the mixture behaves differently ...
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absorption Acad acid AcOH action activity addition affords Amer amount animals appears application Biol blood boiling calc causes cells changes Chem chloride complete compounds Compt concn const containing converted corresponding crystals curve decomp decrease derivative described determined diet discussed effect energy ester EtOH extract factor followed formation formed given gives glucose growth heat hydrochloride hydrogenated hydrolysed increase indicate inhibition injection intensity isolated less light liquid liver lower measured method mixture normal observed obtained occurs organic oxidation period Physical plants positive prep prepared presence pressure probably Proc properties protein rats reaction reduced relation rend respectively salt similar solution structure studied substances surface temp theory tissue treated treatment vals various yields