These include 4,4'-biphenyldiol (4,4'-dihydroxybiphenyl), 3-hydroxybiphenyl ( m -phenylphenol), and 6-bromo-2-naphthol. In each analysis, one liter of water sample was extracted by using solid phase extraction (SPE) method. A simple and yet reliable derivatization reagent (i.e. ...
hydroxybiphenyl by the method of Blumenkrantz and Asboe-Hansen [30], using D-galacturonic acid (D-GalA) as a standard (5.0–100.0 μg/mL) (Sigma-Aldrich Chemical Co., St. Louis, MO, USA). The acetyl content was determined photometrically using the hydroxamic acid reaction method of Mc...
CONSTITUTION:The aimed composition comprising (A) an epoxy resin, containing a bishydroxybiphenyl based epoxy resin expressed by the formula (R is H or CH3; R<1>-R<8> are H, CH3 C2H5 C3H7, phenyl, Cl or Br; n is 0-5) as a chief component and blended with (B) a polyhydric ...
tomentosa Carr.,and they were identified as pinocembrin(1),dillenetin(2),chrysoeriol(3),naringenin(4),isosakuranetin(5),apigenin(6),kaempferol(7),apigenin-7-O-β-D(-6″-pcoumaroyl)-glucoside(8),tremuloidine(9),catechol(10),3,3′,4,4′-tetrahydroxybiphenyl(11),coumaric acid(12),...