نتایج جستجو برای: naphthol
تعداد نتایج: 1603 فیلتر نتایج به سال:
Ruthenium nanoparticle tris(2,2'-bipyridyl)ruthenium(II) bis(hexafluorophosphate) (Ru(bpy)3(PF6)2, RuNP) was self-assembled on polystyrene (PS) electrospun microfibers. The formation of RuNP is attributed to the sulfonated PS (SPS) microfibers' high adsorptive capability of 94% for Ru(bpy)3(2+), as well as the strong interaction between the Ru(bpy)3(2+) and ionic liquid (1-butyl-3-methylimidazo...
The cy-naphthol (Molisch) reaction for sugars has been neglected as a possible basis for a quantitative method. As a ring test, the only form in which it is ever described, it is very crude. The violet colors produced at the surface of contact of concentrated sulfuric acid and a sugar solution containing cr-naphthol are often obscured by charring. The lack of control of the concentration of sug...
In the title compound, C(10)H(9)NO, the amino and the hydr-oxy groups act both as a single donor and a single acceptor in hydrogen bonding. In the crystal, mol-ecules are connected via chains of inter-molecular ⋯N-H⋯O-H⋯ inter-actions, forming a two-dimensional polymeric structure resembling the hydrogen-bonded mol-ecular assembly found in the crystal structure of naphthalene-1,5-diol. Within t...
Insects from a variety of Orders have been shown to detoxify phenols by conjugation with glucose and this mechanism has been suggested as a systematic biochemical characteristic of insects (Smith, 1955a). The phenols may be foreign compounds or may be those formed in the normal course of metabolism (Smith, 1955b, 1964; Kent & Brunet, 1959; Stay & Roth, 1962; Butenandt, Biekert, Kubler & Linzen,...
where the values of the forward (kd) and reverse (kp) rate constants may be different from those in the ground state because of differences in the properties of the 2-naphthol in these two states (for example, Ka 6= K ∗ a in part I). The objective of this experiment is to determine the deprotonation/protonation rate constants of 2-naphthol in its lowest excited singlet state in aqueous solution...
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