SILICEOUS SORBENTS WITH IMMOBILIZED CARBOWAX-20M AS COLUMN PACKINGS FOR LIQUID-CHROMATOGRAPHY .1. PHYSICOCHEMICAL PROPERTIES OF SILICEOUS MATERIALS WITH IMMOBILIZED CARBOWAX-20M LAYER
I. Choma et al., SILICEOUS SORBENTS WITH IMMOBILIZED CARBOWAX-20M AS COLUMN PACKINGS FOR LIQUID-CHROMATOGRAPHY .1. PHYSICOCHEMICAL PROPERTIES OF SILICEOUS MATERIALS WITH IMMOBILIZED CARBOWAX-20M LAYER, Journal of chromatography, 641(2), 1993, pp. 205-210
For better stability the gas chromatographic stationary phase Carbowax
20M is often immobilized on different support materials. Some physico
-chemical properties of siliceous supports with thermally immobilized
Carbowax 20M are described. The results obtained point to the formatio
n of acidic groups (centres) in the Carbowax layer during its immobili
zation procedure.