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Free phenol determination by IR analysis on aqueous solutions of phenol-formaldehyde polycondensates

1981
An analytical procedure for free phenol analysis in phenol-formaldehyde polycondensates avoiding free phenol separation is proposed. Sample aqueous solution is diluted with acetone and dehydrated by contact with zeolite molecular sieves; finally IR determination is performed at 14.4 microns.
PANETTI M, CANGELOSI A, FERRERO, Franco
openaire   +1 more source

Determination of free and bound phenolics using HPLC-DAD, antioxidant activity and in vitro digestibility of Eragrostis tef

Journal of Food Composition and Analysis, 2016
Daniela Sumczynski   +2 more
exaly  

Calcium chemistry frees phenols from naphtha

Chemical & Engineering News Archive, 1983
openaire   +1 more source

Sustainable Replacement of Phenol for Synthesis of Phenol-Free Phenolic Resin from Sugar Waste

Journal of Polymers and the Environment
Zhitian Fan   +4 more
openaire   +1 more source

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