ISSN:
1436-5073
Keywords:
Polyacrolein-isonicotinic acid hydrazone resin
;
polyacrylic acid-thiohydrazide resin
;
polyacrolein-styrene resin
;
precious metals
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
Notes:
Abstract This investigation carries on previous studies on polyacrolein-styrene resins. Further attempts were made to convert the reactive aldehyde groups of the polymeric support to functional acrolein-isonicotinic acid hydrazone (P-NHZ) or acrylic acid-thiohydrazide derivatives (P-THZD). The conditions of synthesis and the basic sorption and desorption properties of the polymers synthesized are described. For gold and platinum group metals the resins show differences in loading capacities, rates of simultaneous sorption in static conditions and efficiencies in column tests. The elution by thiourea solution was utilized to separate Au, Pd and Pt from an excess of base metals. The P-NHZ resin seems to be more advantageous than the sulfur containing P-THZD resin.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01244755
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