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Stability of water-in-paraffinic oil (w/o) emulsions was studied using turbidity measurements of dild. systems at 400 and 800 nm. The method is most suitable for detn. of the required HLB, amt. and type of emulsifier, and the inner water phase fraction. The technique is in a good correlation with other known methods. [on SciFinder(R)]
Polyglycerol esters of fatty acids were analyzed by high-performance liq. chromatog. with a 25 cm × 4.6 mm column packed with 10 $μ$m LiChrosorb Diol. The isomers were eluted by gradient with a hexane-iso-PrOH mixt. within 60 min, and the components monitored by UV absorption at 220 nm. Monoglycerol and polyglycerol monoesters, as well as polyglycerol polyesters of oleic acid, were sepd. and evaluated. [on SciFinder(R)]